IBM System x3550 M4 Product Guide

IBM System x3550 M4 43
External disk storage expansion
The server supports attachment to external storage expansion enclosures, such as the EXP2500 series,
by using either the ServeRAID M5120 (6 Gbps) or M5225 (12 Gbps) SAS/SATA Controller. The server
can also be attached to supported external storage systems, such as the IBM System Storage® DS3500
series, using the supported HBAs.
Table 22. RAID controllers and options for external disk storage expansion
Part number Feature
code
Description Maximum
supported
Standard models
where used
81Y4478** A1WX ServeRAID M5120 SAS/SATA Controller 2** -
00AE938‡ A5ND ServeRAID M5225-2GB SAS/SATA Controller 1 -
Hardware upgrades for the M5120
81Y4508 A22E ServeRAID M5100 Series Battery Kit 1* -
81Y4484 A1J3 ServeRAID M5100 Series 512MB Cache/RAID 5
Upgrade
1 -
81Y4487 A1J4 ServeRAID M5100 Series 512MB Flash/RAID 5
Upgrade
1 -
81Y4559 A1WY ServeRAID M5100 Series 1GB Flash/RAID 5 Upgrade 1 -
47C8670 A4G6 ServeRAID M5100 Series 2GB Flash/RAID 5 Upgrade
- hidden
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 IBM
Systems-FoD
1 -
47C8710 A3Z7 ServeRAID M5200 Series Performance Accelerator
for IBM Systems-FoD
1 -
47C8712 A3Z8 ServeRAID M5200 Series SSD Caching Enabler for
IBM Systems-FoD
1 -
‡ Only supported in systems with Intel Xeon E5-2600 v2 processors
* The ServeRAID M5100 Series Battery Kit (81Y4508) is only supported with ServeRAID M5100 Series 512MB
Cache/RAID 5 Upgrade (81Y4484).
† The ServeRAID M5100 Series RAID 6 Upgrade (81Y4546) requires 512 MB or 1 GB cache upgrades.
** The ServeRAID M5120 SAS/SATA Controller requires the x3550 M4 Thermal Solution Kit, 00Y7117 or the second
processor (with additional system fans).

IBM System x3550 M4 Specifications

General

Brand	IBM
Model	System x3550 M4
Category	Server
Language	English