IBM System x3750 M4
30
Table 19. Hard drive options for external expansion enclosures (Part 2)
Part
number
Description
Maximum quantity supported
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 number
Feature
code
Description
Maximum
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