Product guide
System x3100 M5 27
External disk storage expansion
The x3100 M5 supports attachment to external storage expansion enclosures, such as the EXP2500
series, by using either the ServeRAID M5225 or ServeRAID M5120 RAID controllers. The server can also
be attached to supported external storage systems by using a supported HBA.
Table 21. RAID controllers and options for external disk storage expansion
Part number Feature
code
Description Maximum
supported
00AE938 A5ND ServeRAID M5225-2GB SAS/SATA Controller for System x 1
81Y4478 A1WX ServeRAID M5120 SAS/SATA Controller 3
Hardware upgrades for the M5120
81Y4508 A22E ServeRAID M5100 Series Battery Kit**
(Supported only with 512MB cache option, 81Y4484)
1*
00J6455 A3SE System x3100 Hardware RAID Remote Battery/Cap Mechanical kit** 1
81Y4484 A1J3 ServeRAID M5100 Series 512MB Cache/RAID 5 Upgrade 3
81Y4487 A1J4 ServeRAID M5100 Series 512MB Flash/RAID 5 Upgrade** 1
81Y4559 A1WY ServeRAID M5100 Series 1GB Flash/RAID 5 Upgrade** 1
Feature on Demand upgrades for the M5120
81Y4544 A1X2 ServeRAID M5100 Series Zero Cache/RAID 5 Upgrade 1
90Y4318 A2MD ServeRAID M5100 Series SSD Caching Enabler 1
90Y4273 A2MC ServeRAID M5100 Series SSD Performance Key 1
81Y4546 A1X3 ServeRAID M5100 Series RAID 6 Upgrade 1†
Feature on Demand upgrades for the M5225
47C8706 A3Z5 ServeRAID M5200 Series RAID 6 Upgrade for Systems-FoD 1
47C8710 A3Z7 ServeRAID M5200 Series Performance Accelerator for Systems-FoD 1
47C8712 A3Z8 ServeRAID M5200 Series SSD Caching Enabler for Systems-FoD 1
* The ServeRAID M5100 Series Battery Kit (81Y4508) is supported only with ServeRAID M5100 Series 512MB
Cache/RAID 5 Upgrade (81Y4484).
† The ServeRAID M5100 Series RAID 6 Upgrade (81Y4546) requires a cache upgrade (either 81Y4484, 81Y4487, or
81Y4559).
** For the standard tower chassis only (hot-swap power supplies). Not supported in the compact tower chassis.
The ServeRAID M5225-2GB SAS/SATA Controller has the following specifications:
Eight external 12 Gbps SAS/SATA ports
Two external x4 mini-SAS HD connectors (SFF-8643)
Supports RAID levels 0, 1, 10, 5, 50 standard
Optional support for RAID 6 and 60 with the M5200 Series RAID 6 Upgrade
2 GB flash-backed cache standard
PCIe x8 3.0 host interface
Based on the LSI SAS3108 12 Gbps ROC controller