Technical Sales Overview IBM System Storage DS 3500

DS 3500 Express Specification Overview DS 3500 Express § 6 Gbps SAS controllers (simplex and dual controllers) § Three interface options – SAS, FC/SAS, i. SCSI/SAS – Four or eight 6 Gbps SAS host ports – Eight 8 Gbps FC ports and four 6 Gbps SAS host ports – Eight 1 Gbps i. SCSI ports and four 6 Gbps SAS host ports § Up to 96 SAS drives – High performance SAS, nearline SAS, and SED SAS – EXP 3512 (2 U 12 3. 5 -in drives) and EXP 3524 (2 U 24 2. 5 -in drive) § Two 6 Gbps SAS drive interfaces § 1 or 2 GB cache § Optional turbo performance feature © 2010 IBM Corporation

DS 3500 Express Specification Overview DS 3500 Express § Client version: 10. 70 – Firmware: 7. 70 § Premium features supported: – Full disk encryption – Partitioning – 4 (standard), 8, 16, 32, 64 – Flash. Copy – 2 (standard) 4, 8 per storage system – Volume Copy – Remote Mirroring across FC host ports – 8 per storage system © 2010 IBM Corporation

DS 3500 - Storage System Components Controllers • DS 3512 • Dual-active controllers • • Host shared DAS and SAN connections Supports field installable daughter cards Dual Power/Cooling units Hot-swappable CRUs Drives • 2 U enclosure • 12 3. 5 -in high performance, nearline, and self-encrypting SAS drives Power Cooling Controllers • DS 3524 • Dual-active controllers • • Host shared DAS and SAN connections Supports field installable daughter cards Dual Power/Cooling units Hot-swappable CRUs Drives • 2 U enclosure • 24 2. 5 -in high performance, nearline, and self-encrypting SAS drives Power Cooling Both storage systems can support expansion to both EXP 3512 and EXP 3524 drive expansion units © 2010 IBM Corporation

DS 3500 – Drive Expansion Unit Components ESMs • EXP 3512 • 6 Gbps ESMs • Single ESM standard with second ESM* optional • Dual Power/Cooling units • Hot-swappable CRUs • 2 U enclosure • 12 3. 5 -in high performance, nearline, and self-encrypting SAS drives Drives Power Cooling ESMs • EXP 3524 • 6 Gbps ESMs • Single ESM standard with second ESM* optional • Dual Power/Cooling units • Hot-swappable CRUs • 2 U enclosure • 24 2. 5 -in high performance, nearline, and self-encrypting SAS drives Power Cooling Drives * Required for dual controller configurations © 2010 IBM Corporation

DS 3500 Dual Controller Back View DS 3500 Dual Controller – Native SAS host ports only Four 6 Gbps SAS ports for host connectivity One PS/2 serial interface for service One 6 Gbps SAS port for drive expansion connectivity 1 1 2 2 Two 1 -Gb Ethernet port for out-of-band management and authorized service personnel diagnostics 1 Controllers 2 Power / cooling © 2010 IBM Corporation

DS 3500 Controller – Back Panel w/ no Daughter Card Serial Connection Dual Ethernet

Optional Host Daughter Card § Two 6 Gbps SAS ports per controller standard § Optional host card provide increased connectivity and multi-protocol support Part Number Feature Code Host Daughter Card 68 Y 8431 3610 6 Gbps SAS 2 host port daughter card 68 Y 8432 3611 8 Gbps FC 4 host port daughter card 68 Y 8433 3612 1 Gbps i. SCSI 4 host port daughter card © 2010 IBM Corporation

Dual Controller Views (cont’d) DS 3500 – With optional SAS host daughter card DS

Host-side Connectivity Options § Four 6 Gbps ports standard SAS Servers SAS Blade servers with SAS Connectivity Module I/O paths to each controller should be established for full redundancy and failover protection DS 5300 Shown © 2010 IBM Corporation

Host-side Connectivity Options § Four 6 Gbps ports (standard) § Four 6 Gbps SAS (optional) SAS Servers SAS Blade servers with SAS Connectivity Module I/O paths to each controller should be established for full redundancy and failover protection DS 5300 Shown © 2010 IBM Corporation

Host-side Connectivity Options § Four 6 Gbps ports (standard) § Eight 8 Gbps FC (optional) SAS Blade servers with SAS Connectivity Module FC Servers SAS Servers FC Switches I/O paths to each controller should be established for full redundancy and failover protection DS 5300 Shown © 2010 IBM Corporation

Host-side Connectivity Options § Four 6 Gbps ports (standard) § 1 Gbps i. SCSI (optional) SAS Blade servers with SASi. SCSI Switches Connectivity Module SAS Servers i. SCSI Switches I/O paths to each controller should be established for full redundancy and failover protection DS 5300 Shown © 2010 IBM Corporation

DS 3500 Drive Ports for Expansion § Two 6 Gbps SAS drive expansion ports

EXP 3512 and EXP 3524 Expansion Units EXP 3524 EXP 3512 2 U 12 3. 5” Drives Expansion Unit 2 U 24 2. 5” Drives Expansion Unit § 6 Gbps SAS interfaces / ESMs – High-speed, low-latency interconnect from controllers to drives § Supports intermixing high performance, nearline, and self-encrypting SAS drives – More efficient use of enclosures § Three SFF-8470 compliant SAS 4 x external connections – Two host connections for various cabling topologies (typically only use one) – One expansion connection § Subsystem monitoring via SES over the SAS link (SCSI Enclosure Service) § Storage Bridge Bay (SBB) 2. 0 standard architecture § Ro. HS and WEEE compliant © 2010 IBM Corporation

EXP 3512 / EXP 3524 Expansion Units (Dual ESMs) Expansion ports – IN ports (trunking not supported, only one port may be used) Expansion ports – OUT port 1 1 2 1 ESMs 16 2 2 Power / cooling © 2010 IBM Corporation

Back-end Designed For Availability / Low Latency § To ensure a multi-path highly available storage configuration. This “top-down/bottom-up” cabling scheme ensures accessibility to all the drives in the instance that an ESM, controller or path is taken offline § Top-down, bottom-up cabling ensures drives stay online § Short, quick drive loops reduce latency and create more responsive applications © 2010 IBM Corporation

Configuration Efficiencies Lower Operational Costs Enclosure-based tiers § Tier 1 – OLTP, ERP, Email § Tier 1 – High IOP workloads and low power consumption requirements § Tier 2 – Engineering; Development DS 3500 Controllers EXP 3512 (3. 5 -in drives) 15 K SAS Tier 1 7. 2 K NL SAS Tier 2 § Tier 3 – Archives, backups, user files Unparalleled configuration flexibility § Tune any attribute to meet any server / application need § Drives can be relocated with data intact as requirements change § Industry unique dynamic capabilities for on-the-fly reconfigurations 18 SAS SED Security EXP 3524 (2. 5 -in drives) 15 K SAS / 7. 2 K NL SAS SED Tier 1 Tier 2 IOPs-Intensive Energy Efficient © 2010 IBM Corporation

DS 3500 Controller 19 © 2010 IBM Corporation

Controller Technology – Improving Performance 1 Increased host interface connections 2 PCI Express 2. 0 x 8 buses interface between ASIC and external interfaces providing 4 GB of internal bandwidth 3 Next-generation 6 Gb SAS Power PC 440 ROC 800 -MHz processor 1 2 3 – Super scalar core with a 1. 9 x MIPS multiplier that translates into 1. 5 -GHZ x-scale – Performs both XOR and P+Q 4 4 36 -port expander © 2010 IBM Corporation

Controller Technology – Improving Performance 1 Two 6 Gbps SAS host ports standard 2 1 Three optional host ports • 6 Gbps SAS (2), 8 Gbps FC (4), or 1 Gbps i. SCSI (4) 2 3 3 1 or 2 GB data cache memory 4 Cache destage to flash upon a power loss 5 One 6 Gbps drive expansion port 4 5 © 2010 IBM Corporation

DS 3500 Drive Channels § Fully redundant pathing from host to drive § Each controller can access all drive ports § Each drive chip can access every drive § Again, top down, bottom up © 2010 IBM Corporation

DS 3000 / DS 3500 Comparison Dual-controller system (unless noted) DS 3000 DS 3500 Core technology 3 Gbps SAS 6 Gbps SAS Host interfaces options • • • Two / Six 3 Gbps SAS; or Four 4 Gbps FC; or Four 1 Gbps i. SCSI • • • Four / Eight 6 Gbps SAS; or Eight 8 Gbps FC and four 6 Gbps SAS; or Eight 1 Gbps i. SCSI and four 6 Gbps SAS Redundant drive channels Two 3 Gbps SAS Two 6 Gbps SAS Max drives and type 48 SAS / SATA 96 high performance, nearline, and self-encrypting SAS drives Drive enclosures 3. 5 -in drives in 12 -drive enclosure 3. 5 -in drive in 12 -drive enclosure 2. 5 -in drives in 24 -drive enclosure Data cache 512 MB or 1 GB per controllers 1 or 2 GB per controller Cache IOPS 103, 000 IOPS 200, 000 IOPS Disk Read IOPS 21, 000 IOPS 40, 000 IOPS Disk Read MB/s 940 MB/s 1, 450 MB/s Premium features • • • Partitioning (32) Flash. Copy (8) Volume. Copy • • Partitioning (64) Flash. Copy (8) Volume. Copy Remote Mirroring (8 – FC only) © 2010 IBM Corporation

DS 3500 Performance by Host Interface (Turbo Performance) DS 3500 – SAS daughter card* DS 3500 – i. SCSI daughter card DS 3500 – FC daughter card Turbo performance turbo performance Burst I/O rate cache reads 200, 000 IOPS 70, 000 IOPS 174, 000 IOPS Sustained I/O rate disk reads 40, 000 IOPS 35, 000 IOPS Sustained I/O rate disk writes 12, 500 IOPS 10, 000 IOPS 11, 000 IOPS Drives 96 – 15 K SAS (3. 5 -in) 96 – 10 K SAS (2. 5 -in) Burst throughput cache read 6, 000 MB/s 900 MB/s 6, 000 MB/s Sustained throughput disk read 4, 000 MB/s 900 MB/s 4, 000 MB/s Sustained throughput disk write 2, 600 MB/s 940 MB/s 2, 400 MB/s Host ports 4 8 8 * SAS daughter card only. Native SAS host ports were not utilized in this test. © 2010 IBM Corporation

DS 3500 Performance with SAS, Base, Turbo and DS 3200 DS 3500 – SAS daughter card* DS 3500 – SAS daughter card base performance D 3200 turbo performance Burst I/O rate cache reads 103, 000 IOPS 140, 000 IOPS 200, 000 IOPS Sustained I/O rate disk reads 19, 900 IOPS 30, 000 IOPS 40, 000 IOPS Sustained I/O rate disk writes 4, 300 IOPS 7, 500 IOPS 12, 500 IOPS Drives 48 – 15 K SAS 96 – 15 K SAS Burst throughput cache read 1, 500 MB/s 2, 500 MB/s 6, 000 MB/s Sustained throughput disk read 920 MB/s 2, 000 MB/s 4, 000 MB/s Sustained throughput disk write 800 MB/s 1, 100 MB/s 2, 600 MB/s Host ports 6 4 4 * SAS daughter card only. Native SAS host ports were not utilized in this test. © 2010 IBM Corporation

DS 3500 Performance with i. SCSI, Base, Turbo and DS 3300 DS 3500 – i. SCSI daughter card base performance D 3300 turbo performance Burst I/O rate cache reads 63, 300 IOPS 70, 000 IOPS Sustained I/O rate disk reads 21, 400 IOPS 30, 000 IOPS 35, 000 IOPS Sustained I/O rate disk writes 4, 600 IOPS 7, 500 IOPS 10, 000 IOPS Drives 48 – 15 K SAS 96 – 10 K SAS (2. 5 -in) Burst throughput cache read 470 MB/s 900 MB/s Sustained throughput disk read 400 MB/s 900 MB/s Sustained throughput disk write 320 MB/s 940 MB/s Host ports 4 8 8 © 2010 IBM Corporation

DS 3500 Performance with FC, Base, Turbo and DS 3400 DS 3500 – FC daughter card base performance D 3400 DS 3500 – FC daughter card turbo performance Burst I/O rate cache reads 104, 000 IOPS 140, 000 IOPS 174, 000 IOPS Sustained I/O rate disk reads 21, 800 IOPS 30, 000 IOPS 35, 000 IOPS Sustained I/O rate disk writes 4, 700 IOPS 7, 500 IOPS 11, 000 IOPS Drives 48 – 15 K SAS 96 – 10 K SAS (2. 5 -in) Burst throughput cache read 1, 600 MB/s 2, 500 MB/s 6, 000 MB/s Sustained throughput disk read 940 MB/s 2, 000 MB/s 4, 000 MB/s Sustained throughput disk write 760 MB/s 1, 100 MB/s 2, 400 MB/s Host ports 4 8 8 © 2010 IBM Corporation

DS Storage Manager Software § Feature-rich management software enables high performance, maximum utilization and

DS Storage Manager Enhancements Flash. Copy 8 /volume 64/system Volume Copy 8 simultaneous Partitions Up to 32 Up to 64 Not supported Supported across FC hosts Not supported SED management GUI or CLI GUI and CLI Remote Mirroring SED management Dynamic Capabilities The new DS Storage Manager brings increased replication granularity, consolidation, security, and dynamic capabilities © 2010 IBM Corporation

DS Storage Manager Enhancements § Provides a logical single view of the storage system – Birds-eye-view of the storage configuration • Controller assignment • Volume-to-drive assignment • Identify drive types • Controller and drive enclosure component overview © 2010 IBM Corporation

DS Storage Manager Enhancements § Viewable physical representation of the storage system – Physical

DS Storage Manager Software § Intuitive and powerful – Robust functionality with easy-to-understand GUI and wizards – Unparalleled configuration flexibility enables superior utilization – Tune any attribute to meet any server / application need § Data is always available / protected – Online configuration, reconfiguration, expansion, maintenance – Automated I/O path failover, drive rebuild, cache destage – Integrated disk encryption, RAID 6, proactive drive monitoring § Fully-integrated advanced functionality (premium features) – Partitioning, Flash. Copy, Volume Copy, Remote Mirroring across FC host ports © 2010 IBM Corporation

Anytime Administration – Anytime Data Helps ensure data is always available § EXP Hot. Add Technology – Online capacity expansion, configuration and LUN access § Dynamic Array Expansion (DAE) – Add drives to existing array (restripes logical drives, defrags array) § Dynamic Volume Expansion (DVE) – Add available capacity to existing logical drives (OS dependent) § Dynamic RAID Level Migration (DRM) – Change the RAID configuration of an array (without relocating data ) § Dynamic Segment Size Migration (DSS) – Change the data stripe size (without relocating data ) § Dynamic mode switching – Change between remote mirroring modes © 2010 IBM Corporation

Configuration Flexibility § Tune any attribute to meet any application need § Single storage system supports: – Multiple RAID levels 0, 1, 1+0, 3, 5, 6 – Multiple drive types, capacities and rotational speeds – Multiple and various RAID array sizes • RAID 1 and 10 – 1+1 up to 56+56 • RAID 3, 5 and 6 – 2+1 up to 29+1 – One or more logical drives per RAID array – Settings defined on a logical drive basis • Concurrently maximize performance, capacity and availability – Dynamic configuration / re-configuration © 2010 IBM Corporation

DACstore Technology § Configuration data is stored on every configured drive. – Each drive knows its state and status as well as its logical drives’ state and status – One drive in each RAID array stores the controller- and subsystem-level information • Minimum of three per disk system § DACstore benefits: – Creates “data intact” drive portability as drives are not bound to a given enclosure or slot USABLE STORAGE • Individual physical drives can be relocated within a system to improve channel utilization (performance / availability) • Individual RAID arrays can be migrated to another system • Full systems can be upgraded by simply replacing the controllers § Higher availability – Critical configuration data stored on every drive, not just a few © 2010 IBM Corporation

RAID 6 § Uses two independent forms of check data (n+2) to protect against two distinct failure scenarios: – The failure of any two member drives – Media error during reconstruction § Hardware-assisted P+Q implementation enables superior performance – Single-stripe write that employs two parity values (“p” and “q”) within each data stripe – Efficient implementation delivers greater performance (compared to DP) § Additional features – Enabled on a per-array basis – Dynamic RAID level migration available © 2010 IBM Corporation

Storage Partitioning Host A Host B SVC Group C § Creates multiple virtual systems from a single disk system – Max 64 partitions § Heterogeneous host support enables consolidation in multi-platform environments Storage Partition A Storage Partition B Storage Partition C § Storage-based implementation ensures data integrity § Logical partitioning provides flexibility LD 2 Unmapped Volumes 37 © 2010 IBM Corporation

Flash. Copy § A point-in-time (Pi. T) image of a logical drive – Logical equivalent of a physical copy § Features: – Provides an instantaneous copy – Requires less disk space than a full copy – Mappable to any host – Can be read from, or written to § Primary uses: – Pi. T backup image – File / volume restoration source – Data mining / analysis Z XBC ABC Base Flash. Copy Image AC Flash. Copy Repository Physical Logical © 2010 IBM Corporation

Volume. Copy § Complete point-in-time replication of one logical drive (Flash. Copy image) to another within a disk system – Target also referred to as a clone § Primary uses: – Full Pi. T data set available for analysis, mining, or testing • Doesn’t degrade performance Production Server of production logical drive – Redistribute data for performance and/or capacity optimization • Technology migration to new / faster / larger drives • Move logical drives to more desirable RAID arrays Flash. Copy Source Pi. T Clone Analysis Server Volume. Copy © 2010 IBM Corporation

Remote Mirroring § Storage-based data replication – Designed to provide ongoing, real-time replication of a logical drive from one storage subsystem to another § Three mirroring modes – Metro Mirror – Global Copy – Global Mirror § Primary uses: – Disaster recovery – Centralize backup data – Centralize data mining / analysis Mirror A Volume A § Up to 8 mirror pairs Cross mirroring Mirror B Volume B © 2010 IBM Corporation

Remote Mirroring – Key Features Designed to provide: § Synchronous, asynchronous and WOC mirroring modes – Helps enables administrators to choose the replication method that best meets protection, distance or performance requirements § Dynamic mode switching without suspending the mirror – Helps enables administrators to accommodate changing application and bandwidth requirements without sacrificing protection § Suspend / resume mirroring with delta resynchronization – Helps reduce vulnerability associated with reestablishing the mirror § Read-only mirror access (includes Flash. Copy creation) – Helps enable the remote data to be utilized prior to a disaster without sacrificing protection of the primary site data © 2010 IBM Corporation

Product Structure © 2010 IBM Corporation

DS 3500 and EXP 3500 Base Models Machine Type Model Feature Code SEO ID HVEC PN Description Twelve 3. 5” disk drives – AC Power 1746 C 2 A 2801 1746 A 2 S IBM System Storage DS 3512 Express Single Controller Storage System 1746 C 2 A 2802 1746 A 2 D IBM System Storage DS 3512 Express Dual Controller Storage System 1746 E 2 A 2821 1746 A 2 E IBM System Storage EXP 3512 Express Storage Expansion Unit Twenty-four 2. 5” disk drives – AC Power 1746 C 4 A 2811 1746 A 4 S IBM System Storage DS 3524 Express Single Controller Storage System 1746 C 4 A 2812 1746 A 4 D IBM System Storage DS 3524 Express Dual Controller Storage System 1746 E 4 A 2822 1746 A 4 E IBM System Storage EXP 3524 Express Storage Expansion Unit Model number naming convention XCC: abc where: a = Unit type C = Controller model E = Expansion unit b = Number of drives 2 = 12 drives (3. 5” form factor) 4 = 24 drives (2. 5” form factor) c = Power A = AC power T = DC power SEO ID / HVEC PN: xyz where: x = Power A = AC power T = DC power y = Number of drives 2 = 12 drives (3. 5” form factor) 4 = 24 drives (2. 5” form factor) z = Unit type S = Single controller model D = Dual controller model E = Expansion unit March 15, 2010 – IBM Confidential Page 43 © 2010 IBM Corporation

DS 3500 Product Structure Base Configuration Priced Optional Features DS 3512 Single Controller § Single controller § Two 6 Gb SAS ports § 1 GB cache § Support for 1 daughter card § Support for up to 12 3. 5” disk drives (intermix allowed) FC 3600: Second Controller • Available only on single controller systems FC 4400: Turbo Performance • Requires 2 controllers (single controller plus FC 3600 or dual controller) FC 4410: Full Disk Encryption (FDE) DS 3512 Dual Controller § Two controllers § Four 6 Gb SAS ports § 2 GB cache § Support for 2 daughter cards (must be of same type) § Support for up to 12 3. 5” disk drives (intermix allowed) DS 3524 Single Controller § Single controller § Two 6 Gb SAS ports § 1 GB cache § Support for 1 daughter card § Support for up to 24 2. 5” disk drives (intermix allowed) DS 3524 Dual Controller § Two controllers § Four 6 Gb SAS ports § 2 GB cache § Support for 2 daughter cards (must be of same type) § Support for up to 24 2. 5” disk drives (intermix allowed) FC 3610: 6 Gb SAS 2 Port Daughter Card FC 3611: 8 Gb FC 4 Port Daughter Card • Includes 2 8 Gb shortwave SFP transceivers FC 3612: 1 Gb i. SCSI 4 Port Daughter Card FC 3620: 8 Gb FC SW SFP Transceiver Pair FC 3630: 2 GB Cache Upgrade • Quantity 1 on single controller; quantity 2 on dual controller FC 5100: 300 GB 15, 000 rpm 6 Gb SAS 3. 5" HDD FC 5105: 450 GB 15, 000 rpm 6 Gb SAS 3. 5" HDD FC 5110: 600 GB 15, 000 rpm 6 Gb SAS 3. 5" HDD FC 5150: 600 GB 15, 000 rpm 6 Gb SAS SED 3. 5" HDD FC 5165: 1 TB 7, 200 rpm 6 Gb SAS NL 3. 5" HDD FC 5175: 2 TB 7, 200 rpm 6 Gb SAS NL 3. 5" HDD FC 5205: 146 GB 15, 000 rpm 6 Gb SAS 2. 5” HDD FC 5210: 300 GB 10, 000 rpm 6 Gb SAS 2. 5” HDD FC 5250: 300 GB 10, 000 rpm 6 Gb SAS SED 2. 5” HDD FC 5265: 500 GB 7, 200 rpm 6 Gb SAS NL 2. 5” HDD March 15, 2010 – IBM Confidential Page 44 © 2010 IBM Corporation

DS 3500 Product Structure Base Configuration Priced Optional Features Partitions § Up to 4 per system FC 4300: 4 to 8 Partition Upgrade FC 4301: 4 to 16 Partition Upgrade FC 4302: 4 to 32 Partition Upgrade FC 4304: 4 to 64 Partition Upgrade FC 4310: 8 to 16 Partition Upgrade § Requires FC 4300 FC 4311: 8 to 32 Partition Upgrade § Requires FC 4300 FC 4312: 8 to 64 Partition Upgrade § Requires FC 4300 FC 4320: 16 to 32 Partition Upgrade § Requires FC 4301 or 4310 FC 4321: 16 to 64 Partition Upgrade § Requires FC 4301 or 4310 FC 4330: 32 to 64 Partition Upgrade § Requires FC 4302, 4311, or 4320 Disk Drives per System § Up to 96 disk drives per system (EXP 3512 and EXP 3524 intermix allowed) Host Kits § Microsoft Windows § Linux on Intel § VMware FC 4700: AIX / VIOS Host Kit FC 4710: Linux on Power Host Kit FC 4720: HP/UX Host Kit March 15, 2010 – IBM Confidential Page 45 © 2010 IBM Corporation

DS 3500 Product Structure Base Configuration Priced Optional Features Flash. Copy § Up to 2 per system FC 4420: Flash. Copy: Base § Up to 4 per logical volume / 64 per system Volume Copy § None FC 4421: Flash. Copy: 8/64 Upgrade § Up to 8 per logical volume / 64 per system § Requires FC 4420 or FC 4440 FC 4430: Volume Copy: Base § Up to 128 relationships per system (8 active) § Requires FC 4420 FC 4440: Flash. Copy Base / Volume Copy Base § Up to 4 Flash Copies per logical volume / 64 per system § Up to 128 Volume Copy relationships per system (8 active) Remote Mirroring § None FC 4450: Remote Mirroring: Base § Up to 8 mirrors per system Storage Management § DS Storage Manager Profiler • Support Monitor § SMI-S Provider March 15, 2010 – IBM Confidential Page 46 © 2010 IBM Corporation

DS 3500 Product Structure Base Configuration Priced Optional Features Host Attachment Cables § None FC 3707: 1 m SAS Cable FC 3708: 3 m SAS Cable FC 5601: 1 m Fiber Cable (LC-LC) FC 5605: 5 m Fiber Cable (LC-LC) FC 5625: 25 m Fiber Cable (LC-LC) Line Cords * § 2. 8 m C 13 to C 14 rack power cable FC 6210: China 6 A line C 13 to GB 2099. 1 (2. 8 M) FC 6211: Australia/NZ 10 A line C 13 to SAA-AS C 112 (2. 8 M) FC 6212: European 10 A line C 13 to CEE 7/7 (2. 8 M) FC 6213: Denmark 10 A line C 13 to DK 2 -5 A (2. 8 M) FC 6214: South Africa 10 A line C 13 to SABS 164/1 (2. 8 M) FC 6215: United Kingdom 10 A line C 13 to BS 1363 (2. 8 M) FC 6216: Switzerland 10 A line C 13 to SEV 1011 (2. 8 M) FC 6217: Italy 10 A line C 13 to CEE 7/7 (2. 8 M) FC 6218: Israel 10 A line C 13 to SI 32 (2. 8 M) FC 6222: Argentina 10 A line C 13 to IRAM 2063 (2. 8 M) FC 6223: Brazil 10 A line C 13 to NBR 6147 (2. 8 M) FC 6269: India 6 A line C 13 to Fig 68 (2. 8 M) FC 6313: United States 10 A line C 13 to NEMA 5 -15 P (2. 8 M) FC 6314: Japan 7 A line C 13 to JIS C-8303 -1983 Denan (2. 8 M) FC 6386: Taiwan 10 A line C 13 to CNS 10917 -3 (2. 8 M) Not announced; deferred to post-GA FC 6219: Korea 7 A line C 13 to KETI 15 A/250 V (2. 8 M) * These line cord options are also applicable to the EXP 3500. March 15, 2010 – IBM Confidential Page 47 © 2010 IBM Corporation

EXP 3500 Product Structure Base Configuration Priced Optional Features EXP 3512 Expansion Unit § One Environmental Services Module (ESM) § Support for up to 12 3. 5” disk drives (intermix allowed) FC 3680: Environmental Services Module (ESM) EXP 3524 Expansion Unit § One Environmental Services Modules (ESM) § Support for up to 24 2. 5” disk drives (intermix allowed) FC 3707: 1 m SAS Cable FC 3708: 3 m SAS Cable FC 5100: 300 GB 15, 000 rpm 6 Gb SAS 3. 5" HDD FC 5105: 450 GB 15, 000 rpm 6 Gb SAS 3. 5" HDD FC 5110: 600 GB 15, 000 rpm 6 Gb SAS 3. 5" HDD FC 5150: 600 GB 15, 000 rpm 6 Gb SAS SED 3. 5" HDD FC 5165: 1 TB 7, 200 rpm 6 Gb SAS NL 3. 5" HDD FC 5175: 2 TB 7, 200 rpm 6 Gb SAS NL 3. 5" HDD FC 5205: 146 GB 15, 000 rpm 6 Gb SAS 2. 5” HDD FC 5210: 300 GB 10, 000 rpm 6 Gb SAS 2. 5” HDD FC 5250: 300 GB 10, 000 rpm 6 Gb SAS SED 2. 5” HDD FC 5265: 500 GB 7, 200 rpm 6 Gb SAS NL 2. 5” HDD Line Cords: See previous page (same line cord options as DS 3500) March 15, 2010 – IBM Confidential Page 48 © 2010 IBM Corporation

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Disclaimers (continued) § MB, GB and TB equal 1, 000, 000 and 1, 000, 000 bytes, respectively, where referring to storage capacity. Actual storage capacity will vary based upon many factors and may be less than stated. Some numbers given for storage capacities give capacity in native mode followed by capacity using data compression technology. § THE INFORMATION IN THIS DOCUMENT IS PROVIDED “AS-IS” WITHOUT ANY WARRANTY, EITHER EXPRESSED OR IMPLIED. IBM EXPRESSLY DISCLAIMS ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. IBM products are warranted according to the terms and conditions of the agreements (e. g. , IBM Customer Agreement, Statement of Limited Warranty, International Program License Agreement, etc. ) under which they are provided. § References in this document to IBM products, programs or services does not imply that IBM intends to make such products, programs or services available in all countries in which IBM operates or does business. Consult your local IBM business contact for information on the product or services available in your area. Any reference to an IBM program or product in this document is not intended to state or imply that only that program may be used. Any functionally equivalent program or product that does not infringe IBM’s intellectual property rights may be used instead. It is the user’s responsibility to evaluate and verify the operation of any non-IBM product, program or service. § IBM's customer is responsible for ensuring its own compliance with legal requirements. It is the customer's sole responsibility to obtain advice of competent legal counsel as to the identification and interpretation of any relevant laws and regulatory requirements that may affect the customer's business and any actions the customer may need to take to comply with such laws. IBM does not provide legal advice or represent or warrant that its services or products will ensure that the customer is in compliance with any law. § The provision of the information contained herein is not intended to, and does not, grant any right or license under any IBM patents or copyrights. Inquiries regarding patent or copyright licenses should be made, in writing, to: IBM Director of Licensing IBM Corporation North Castle Drive Armonk, NY 10504 -1785 U. S. A. © 2010 IBM Corporation