Technical specifications

Models

DS8870 (961, 96E) DS8880 (984, 985, 986, 982)

Shared symmetric multiprocessing (SMP) processor configuration

IBM POWER8
DS8884 – dual 6 core
DS8886 – dual 8 core or dual 16 core/24 core

Processor memory for cache and nonvolatile storage (minimum/maximum)

DS8884 – 64 Gigabyte (GB) to 256 GB
DS8886 – 128 GB to 2 TB

Host adapter interfaces

4- and 8-port 8 Gbps or 4-port 16 Gbps
Fibre Channel/IBM FICON

Host adapters (minimum/maximum)

2/8 host adapter pairs
4- and 8-port 8 gigabits per second (Gbps), or 4-port 16 Gbps
Fibre Channel (FC)/IBM FICON

Host ports (minimum/maximum)

8/128

Drive interface

6 gigabits per second (Gbps) point-to-point switched SAS-2 connection to an 8 Gbps Fibre Channel (FC) backbone

Device adapters

Up to 16 4-port, 8 Gbps
FC paths

Maximum physical storage capacity*

4,608 TB (hard disk drive (HDD)/solid state drive SSD) + 614 TB (flash cards)

HDD/SDD sizes

200 gigabyte (GB) flash drives
400 GB flash drives
800 GB flash drives
1.6 terabyte (TB) flash drives
300 GB (15k revolutions per minute (rpm)
600 GB (15k rpm)
600 GB (10k rpm)
1.2 TB (10k rpm)
1.8 TB (10k rpm)
4 TB (7.2k rpm and 3.5-inch form factor)
6 TB (7.2k rpm and 3.5-inch form factor)

Flash cards

High-Performance Flash Enclosure:
400 GB
800 GB
High-Performance Flash Enclosure Gen2:
400 GB
800 GB
1,600 GB
3,200 GB

RAID levels

5, 6, 10

Dimensions (height × width × depth)

DS8884
1.91 m × 0.62 m × 1.38 m (6.27 ft × 2.03 ft × 4.53 ft) enclosure
DS8886 expandable to 46U enclosure
1.91 m × 0.62 m × 1.38 m (6.27 ft × 2.03 ft × 4.53 ft) 40U enclosure
2.19 m × 0.62 m × 1.38 m (7.19 ft × 2.03 ft × 4.53 ft) 46U enclosure
DS8884: up to three frames total
DS8886: up to five frames total

Dry bulb temperature

16°C – 32°C (60°F – 90°F)

Relative humidity

20% – 80%

Power supply

Configurations: single-phase 50/60 Hz

Caloric value British thermal unit (BTU)/hr. (maximum)

DS8884 (984)
18425 BTU for Base Frame
18084 BTU for Expansion Frame
DS8886 (985) Single Power
25249 BTU for Base Frame
22519 BTU for Expansion frame
DS8886 (986) Three Phase Power
22860 BTU for Base Frame
21837 BTU for Expansion Frame

Electrical power kVA (maximum)

DS8884 (984)
5.4 kVA for Base Frame
5.3 kVA for Expansion Frame
DS8886 (985) Single Power
7.4 kVA for Base Frame
6.6 kVA for Expansion frame
DS8886 (986) Three Phase Power
6.7 kVA for Base Frame
6.4 kVA for Expansion Frame

Warranty

All models: onsite service, same day, 24×7
4 years on type 2834 models
3 years on type 2833 models
2 years on type 2832 models
1 year on type 2831 models

Supported systems

For more details on supported servers, visit: ibm.com/storage/disk

* Usable capacity depends on factors such as data format, RAID level and spare disks configured. Maximum capacity values are based on a fully populated DS8886 system.

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