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The model 984 is the base frame of the IBM DS8884, the Business Class system in the DS8880 hybrid 283x family. IBM describes the DS8884 as an entry-level, high-capacity system built from standard disk enclosures and High-Performance Flash Enclosures Gen2. It has 6-core processors (12-core when zHyperLink is used), memory of 64, 128 or 256 GB, and a 19-inch, 40U frame on single-phase power.
The base frame takes up to four standard drive enclosure pairs and one High-Performance Flash Enclosure Gen2 pair. Model 84E expansion frames raise that: the first holds up to five standard pairs and one flash pair, and the second up to seven standard pairs. With 256 GB of memory the system reaches 768 2.5-inch or 384 3.5-inch standard drives and 96 flash drives. IBM's capacity figures at that size are 1.38 PB with 1.8 TB 2.5-inch drives, 2.3 PB with 6 TB 3.5-inch drives and 1,475 TB with 15.36 TB flash drives. At 64 or 128 GB the ceilings are 192 and 96 standard drives and 48 flash drives.
The frame is 193 cm high, 64 cm wide and 144 cm deep and weighs up to 976 kg. A fully equipped base frame is rated at 4.9 kVA peak and 16,595 BTU per hour, against 4.3 kVA for an 84E frame. The all-flash counterpart with the same model number is the DS8884F, machine type 533x.
Related IBM storage parts are on the IBM tape and Storwize parts page. For comparison, the Storwize 2077-312 control enclosure holds twelve 3.5-inch drives in 2U.
| 2834-984 Specs | |
| Machine type and model | 2834-984 (DS8884, hybrid 283x family) |
| Class | Business Class |
| Processors | 6-core (12-core with zHyperLink) |
| System memory | 64, 128 or 256 GB |
| Frame | 19-inch, 40U, single-phase power |
| Base-frame enclosures | up to 4 standard pairs + 1 HPFE Gen2 pair |
| Expansion | 84E frames |
| Maximum drives | 768 2.5-inch or 384 3.5-inch standard, 96 flash |
| Weight | up to 976 kg |
| Peak power | 4.9 kVA |