IBM System Storage DS8000 series

High performance and superior reliability for the most demanding storage environments

Models DS8700 (941, 94E) DS8800 (951, 95E) DS8870 (961, 96E)
Shared SMP processor configuration IBM POWER6® dual 2-way or 4-way POWER6+ dual 2-way or 4-way Power7 dual 2-core, 4-core, 8-core or 16-core
Other major processors IBM PowerPC®, application-specific integrated circuits (ASICs) PowerPC, ASICs PowerPC, ASICs
Processor memory for cache and nonvolatile storage (minimum/maximum) 32 GB/384 GB 6 GB/384 GB 16 GB/1,024 GB
Host adapter interfaces 4-port 4 Gbps and 4-port 8 Gbps Fibre Channel/FICON 4- and 8-port 8 Gbps
Fibre Channel/FICON		 4- and 8-port 8 Gbps
Fibre Channel/FICON
Host adapters (minimum/maximum) 2/32 2/16 2/16
Host ports (minimum/maximum) 8/128 8/128 8/128
Drive interface 4 Gbps point-to-point switched Fibre Channel connection 6 Gbps point-to-point switched SAS-2 connection to an 8 Gbps Fibre Channel backbone 6 Gbps point-to-point switched SAS-2 connection to an 8 Gbps Fibre Channel backbone
Number of disk drives (minimum/maximum) 8/1,024 8/1,536 (small-form factor)
8/768 (large-form factor)		 8/1,536 (small-form factor)
8/768 (large-form factor)
Device adapters Up to 16 4-port, 2 Gbps
Fibre Channel		 Up to 16 4-port, 8 Gbps
Fibre Channel		 Up to 16 4-port, 8 Gbps
Fibre Channel
Maximum physical storage capacity* 2,048 TB 2,304 TB 2,304 TB
Disk sizes** 600 GB SSDs
300 GB (15k rpm)
450 GB (15k rpm)
600 GB (15k rpm)
2 TB (7.2k rpm)		 300 GB SSDs
400 GB SSDs
146 GB (15k rpm)
300 GB (15k rpm)
450 GB (10k rpm)
600 GB (10k rpm)
900 GB (10k rpm)
3 TB (7.2k rpm, 3.5 in. form factor)		 400 GB SSDs
146 GB (15k rpm)
300 GB (15k rpm)
600 GB (10k rpm)
900 GB (10k rpm)
3 TB (7.2k rpm and 3.5 in. form factor)
RAID levels 5, 6, 10 5, 6, 10 5, 6, 10
Dimensions (height × width × depth) 193 cm × 84.7 cm × 118.3 cm (75.98 in. × 33.35 in. × 46.58 in.) per frame, up to 5 frames total 193.4 cm × 84.8 cm × 122.7 cm (76.14 in. × 33.39 in. × 48.31 in.) per frame, up to 4 frames total 193.4 cm × 84.8 cm × 122.7 cm (76.14 in. × 33.39 in. × 48.31 in.) per frame, up to 4 frames total
Maximum weight 1,307 kg (2,880 lb) base rack
Add per expansion frame:
1,089 kg (2,400 lb)		 1,324 kg (2,920 lb) base rack
Add per expansion frame:
1,307 kg (2,880 lb)		 1,216 kg (2,675 lb) base rack
1,157 kg (2,545 lb) first expansion
1,068 kg (2,355 lb) additional frames
Dry bulb temperature 16°C - 32°C (60°F - 90°F) 16°C - 32°C (60°F - 90°F) 16° - 32°C (60° - 90°F)
Relative humidity 20% - 80% 20% - 80% 20% - 80%
Power supply Configurations: single-phase or three-phase 50/60 Hz Configurations: single-phase or three-phase 50/60 Hz Configurations: single-phase or three-phase 50/60 Hz
Caloric value British thermal units/hr (maximum) 26,600 (941 rack)
22,200 (94E rack)		 25,000 (951 rack)
24,600 (95E rack)		 20,800 (961 rack)
19,157 (96E rack)
Electrical power kva (maximum) 7.8 (941 rack)
6.5 (94E rack)		 7.3 (951 rack)
7.2 (95E rack)		 6.1 (961 rack)
5.6 (96E rack)
Warranty All models: customer- replaceable unit (CRU) and on-site service, same day, 24×7
4 years on type 2424 models
3 years on type 2423 models
2 years on type 2422 models
1 year on type 2421 models		 All models: CRU and on-site service, same day, 24×7
4 years on type 2424 models
3 years on type 2423 models
2 years on type 2422 models
1 year on type 2421 models		 All models: CRU and on-site service, same day, 24×7
4 years on type 2424 models
3 years on type 2423 models
2 years on type 2422 models
1 year on type 2421 models

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* Usable capacity depends on factors such as data format, RAID level and spare disks configured.

** 6 Gbps SAS (SAS-2) drives available on DS8800 and DS8870 models only

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