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IBM EJ1M 12 Bay Expanded Function Storage Backplane 6B64 01DH486
IBM Power9 Systems IBM 6B64 12 Bay Expanded Function Storage Backplane EJ1M 01DH486  .. Product #: 6B64-EJ1M-01DH486

IBM 6B64 12 Bay Expanded Function Storage Backplane EJ1M 01DH486

Brand: IBM Power9 Systems
Model Number: 6B64-EJ1M-01DH486
Tags: 6b64 , ej1m , 01dh486
Custom Field 4 (MPN): 01DH407

The IBM 6B64 Expanded Function Storage Backplane has 12 SFF-3 Bays for HDD or SSD, dual SAS controllers with write cache, a RDX Bay and an optional Ext SAS port for attaching expansion units the IBM Power system unit. The IBM 6B64 Expanded Function Storage Backplane has EJ1M feature code and 01DH486 part number. The IBM 6B64 Expanded Function Storage Backplane supports up to 12 SFF-3 SAS HDDs or SSDs, and both the IBM 6B64 EJ1M and IBM 2D35 EJ1D expanded function storage backplanes support the optional attachment of a IBM EXP24S or IBM EXP12SX expansion drawer in mode 1 using the optional EJ0W dual SAS Port feature. The IBM 6B64 and 2D35 expanded function backplane’s bays are accessed by the IBM 57D8 6Gb SAS RAID controllers, of which the bays support hot-plug concurrent maintenance. The IBM 6B64 EJ1Mand IBM 2D35 EJ1D expanded function storage backplanes also enable two EJ0W SAS ports on the rear of the system unit required to attach a IBM EXP24S or IBM EXP24SX I/O expansion drawer. The IBM EJ0W dual SAS Port feature requires a slot and is an optional feature for the IBM 6B64 EJ1M Expanded Function Storage Backplane.

The Dual IBM 57D8 6Gb SAS RAID controllers with write cache are in integrated slots that do not use PCIe slots. Write cache augments the controller's high performance for write intensive workloads, especially for systems with HDDs installed. A total of 1.8 GB physical write cache is leveraged with compression to provide up to 7.2 GB cache capacity. The IBM 57D8 6Gb SAS RAID controllers write cache contents are protected against power loss with flash memory and super capacitors removing the need for battery maintenance. The high performance SAS controllers provide RAID-0, RAID-5, RAID-6, RAID-10, RAID-5T2, RAID-6T2, and RAID-10T2 support, as well as Active/Active configurations with two or more arrays. IBM Easy Tier function is also supported so the dual controllers can automatically move hot data to attached SSD and cold data to attached HDD for IBM AIX, Linux Server and VIOS environments.

Important Notes:
Both 5xx and 4k byte sector HDD and SSD are supported, but 5xx and 4k drives cannot be mixed in the same array. The IBM EJ1M Expanded Function Storage Backplane does not support split backplane. For split backplane use IBM EJ1C or IBM EJ1E backplane features. Both IBM SSD and HDD Small Form Factor (SFF) or 2.5-inch drives are mounted on carrier trays specific to the IBM Power system unit SFF-3 slots.