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- Description
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The IBM 81Y5194 is the hard disk drive backplane for the IBM Flex System x240 Compute Node, machine types 7863 and 8737. It is a customer-replaceable unit. The service parts carry one backplane entry for the node.
The x240 is a standard-width compute node for the Flex System Enterprise Chassis, 215 mm wide, 51 mm high and 493 mm deep. It has two 2.5-inch hot-swap SAS/SATA drive bays at the front, supporting SAS, SATA and solid-state drives, wired to an integrated LSI SAS2004 6 Gbps controller with RAID 0, 1 and 1E.
The node takes up to two Intel Xeon E5-2600 processors on an Intel C600 series chipset, with 24 DDR3 DIMM sockets and up to 768 GB with 32 GB load-reduced DIMMs. Its two I/O connectors carry PCI Express 3.0 x16 interfaces for adapters, and an expansion connector links a Storage Expansion Node with 12 more hot-swap 2.5-inch drives.
Drives in the service parts for this node include the 2.5-inch hot-swap SATA 1 TB 7200 rpm NL drive 81Y9731, the 200 GB, 256 GB and 128 GB slim SSDs 43W7721, 90Y8644 and 90Y8649, and the 1.8-inch 200 GB SSD 40K6897. The ServeRAID M5115 option adds support for up to eight 1.8-inch SSDs and replaces the standard two-bay backplane with its own enablement-kit backplane.
| Designation | hard disk drive backplane |
| Part number | 81Y5194 |
| Fits | IBM Flex System x240 Compute Node, types 7863 and 8737 |
| Form factor of node | standard-width compute node |
| Drive bays | two 2.5-inch hot-swap SAS/SATA |
| Integrated controller | LSI SAS2004, RAID 0, 1, 1E |
| Optional controller | ServeRAID M5115 (90Y4390), up to eight 1.8-inch SSDs |
| Processors | up to two Intel Xeon E5-2600 |
| Memory | 24 DDR3 sockets, up to 768 GB |
| Dimensions of node | 215 x 51 x 493 mm |
| Chassis | Flex System Enterprise Chassis |
| Manufacturer | IBM |