IBM System x3750 M4 30
Table 19. Hard drive options for external expansion enclosures (Part 2)
Part num ber Desc ription Maximum quantit y support ed
per one enclosure
EXP2524 Hot-Swap SAS 2.5-in. Hard Drives
49Y1896 146 GB 15 K 6 Gb SAS 2.5-in. HDD 24
49Y1895 300 GB 10 K 6 Gb SAS 2.5-in. HDD 24
81Y9596 600 GB 10 K 6 Gb SAS 2.5-in. HDD 24
49Y1898 500 GB 7,200 RPM 6 Gb SAS NL 2.5-in. HDD 24
EXP2524 Hot-Swap SAS 2.5-in. Solid-State Drives
81Y9956 200 GB 2.5-in. SAS SSD 24
81Y9960 400 GB 2.5-in. SAS SSD 24
The RAID controllers listed in the following table are supported with external expansion enclosures.
Table 20. RAID controller and options for external storage expansion enclosures
Part num ber Feat ure
code Descri ption Max imum
supported
81Y4478 A1WX ServeRAID M5120 SAS/SATA Controller 8
81Y4484 A1J3 ServeRAID M5100 Series 512MB Cache/RAID 5 Upgrade 1 per one M5120
81Y4487 A1J4 ServeRAID M5100 Series 512MB Flash/RAID 5 Upgrade 1 per one M5120
81Y4559 A1WY ServeRAID M5100 Series 1GB Flash/RAID 5 Upgrade 1 per one M5120
81Y4508 A22E ServeRAID M5100 Series Battery Kit 1 per one M5120
81Y4546 A1X3 ServeRAID M5100 Series RAID 6 Upgrade 1 per server
90Y4273 A2MC ServeRAID M5100 Series SSD Performance Accelerator 1 per server
90Y4318 A2MD ServeRAID M5100 Series SSD Caching Enabler 1 per server
The ServeRAID M5120 SAS/SATA Controller has the following specifications:
Eight external 6 Gbps SAS/SATA ports
Two external x4 mini-SAS connectors (SFF-8088)
Supports RAID levels 0, 1, and 10
Supports RAID levels 5 and 50 with optional M5100 Series RAID 5 upgrades
Supports RAID 6 and 60 with the optional M5100 Series RAID 6 Upgrade
Supports 512 MB battery-backed cache or 512 MB or 1 GB flash-backed cache
6 Gbps throughput per port
PCIe 3.0 x8 host interface
Based on the LSI SAS2208 6 Gbps ROC controller
Supports connectivity to the EXP2512 and EXP2524 storage expansion enclosures
For more information, see the IBM Redbooks® Product Guide
ServeRAID M5120 SAS/SATA Controller for IBM System x
at:
http://www.redbooks.ibm.com/abstracts/tips0858.html?Open