IBM Redboks System x3550 M4 User Manual

IBM System x3550 M4 15
Internal disk storage options
IBM System x3550 M4 server supports the following internal storage configurations:
Eight 2.5" Slim-SFF SAS/SATA hot-swap hard drive bays

Four 2.5" Slim-SFF SAS/SATA hot-swap hard drive bays

Three 3.5" hot-swap SAS/SATA hard drive bays

Three 3.5" Simple Swap SATA hard drive bays (only available in CTO)

Figure 5 shows the first three of these configurations.
Figure 5. Internal drive configurations
Backplanes
All standard models, except C4x, ship with four 2.5" Slim-SFF SAS/SATA hot-swap hard drive bays.
Model C4x ships with three 3.5" SAS/SATA hot-swap hard drive bays. The following table shows the
internal storage expansion options available for the x3550 M4 server.
Table 7. Internal storage expansion options
Part number Feature
code
Name Maximum
supported
81Y6657 A1HN x3550 M4 plus 4x 2.5" HDD Assembly Kit 1
Option 81Y6657 upgrades models with four hot-swap HDD bays to eight hot-swap HDD bays. Model A2x
requires H1110 to be replaced by M1115 or M5110 to support eight HDDs. An optical drive can be
installed internally when this option is used.

IBM Redboks System x3550 M4 Specifications

General

Processor Sockets	2
Memory Slots	24 DIMM slots
Processor	Intel Xeon E5-2600 series
Memory	Up to 768GB DDR3
Storage	SSDs
Power Supply	Redundant 550W, 750W
Operating System Support	Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware