The following tables list the hardware components and maximum capacities that are supported for the
DS8950F models 996 and E96, depending on the amount of memory that is available.
Table 9. Components for the DS8950F models 996 and E96
Processors System memory Processor memory I/O enclosures
Host adapters
(4 port)
High Performance
Flash Enclosure Gen2
pairs
1
Expansion frames
10-core 512 GB 256 GB 1 or 2 2 - 16 1 - 4 0
20-core 1024 GB 512 GB 1 - 4 2 - 32 1 - 8 0 - 1
20-core 2048 GB 1024 GB 1 - 4 2 - 32 1 - 8 0 - 1
1. High Performance Flash Enclosures Gen2 are installed in pairs.
Table 10. Maximum capacity for the DS8950F models 996 and E96
Processors System memory
Maximum 2.5-in. Flash Tier 0, Flash
Tier 1, or Flash Tier 2 drives
Maximum storage capacity for 2.5-
in. Flash Tier 0, Flash Tier 1, or
Flash Tier 2 drives
10-core 512 GB 192 2 PB
1
20-core 1024 GB 384 5.9 PB
20-core 2048 GB 384 5.9 PB
1. With 512 GB or less system memory, the maximum physical capacity is 2 PB when using large extents, or 512 TB when using small
extents. With 512 GB or less system memory, the maximum virtual capacity for volume allocation (including overprovisioning) is 4 PB
when using large extents, or 1 PB when using small extents (including Safeguarded Copy virtual capacity).
DS8950F base frame (model 996) overview
The DS8950F includes a base frame (model 996).
The base frame includes the following components:
• High Performance Flash Enclosures Gen2
• I/O enclosure pair (optional second I/O enclosure pair)
• Processor nodes (available with POWER9 processors)
• Management enclosure
• Intelligent rack PDU (iPDU) pair (optional second iPDU pair)
DS8950F expansion frame (model E96) overview
The DS8950F supports an expansion frame (model E96) that can be added to a base frame (model 996).
An expansion frame requires a 20-core processor in the base frame. The expansion frame includes an
intelligent rack PDU (iPDU) pair, I/O enclosures, and you can add up to four High Performance Flash
Enclosure Gen2 pairs.
High Performance Flash Enclosures Gen2 pair
The High Performance Flash Enclosure Gen2 is a 2U storage enclosure that is installed in pairs.
The High Performance Flash Enclosure Gen2 pair contains the following hardware components:
• Two 2U 24-slot SAS flash drive enclosures. Each of the two enclosures contains the following
components:
– Two power supplies with integrated cooling fans
– Two SAS Expander Modules with two SAS ports each
– One midplane or backplane for plugging components that provides maintenance of flash drives,
Expander Modules, and power supplies
– Space for 24 2.5-inch flash drives or drive llers
Chapter 1. Overview
7
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