IBM System x3550 M4
6
Standard specifications
The following table lists the standard specifications.
Table 1. Standard specifications (part 1)
Components
Specification
Form factor
1U Rack.
Processor
Up to two Intel Xeon processor E5-2600 product family CPUs with eight cores (up to 2.9 GHz) or
six cores (up to 2.9 GHz) or quad-cores (up to 3.3 GHz). Two QPI links up to 8.0 GT/s each. Up to
1600 MHz memory speed. Up to 20 MB L3 cache.
Chipset
Intel C604
Memory
Up to 24 DIMM sockets (12 DIMMs per processor). RDIMMs, UDIMMs and LR-DIMMs (Load
Reduced DIMMs) supported but memory types cannot be intermixed. Memory DIMM speeds up
to 1600 MHz.
Memory
maximums
With RDIMMs: Up to 384 GB with 24x 16 GB RDIMMs and two processors
With UDIMMs: Up to 64 GB with 16x 4 GB UDIMMs and two processors
With LRDIMMs: Up to 768 GB with 24x 32 GB LRDIMMs and two processors
Memory
protection
ECC, memory mirroring, and memory sparing.
Disk drive bays
Up to eight 2.5" hot-swap SAS/SATA HDDs, or up to three 3.5" hot-swap SAS/SATA HDDs, or up
to three 3.5" Simple Swap SATA HDDs.
Maximum
internal storage
Up to 7.2 TB with 900 GB 2.5” SAS HDDs, or up to 8 TB with 1 TB 2.5" NL SAS/SATA HDDs, or
up to 9 TB with 3 TB 3.5" NL SAS/SATA HDDs. Intermix of SAS/SATA is supported.
RAID support
RAID 0, 1, 10 with H1110, M1115 or M5110. Optional upgrades to RAID 5, 50 available for
M1115. Optional upgrades to RAID 5, 50 are available (zero-cache; 512 MB battery-backed
cache; 512 MB or 1 GB flash-backed cache) for M5110. Optional upgrade to RAID 6. 60 are
available for M5110 with caches.
Optical drive
bays
One, optional, for models with 2.5” drives. Support for DVD-ROM or Multiburner.
Tape drive bays None.
Network
interfaces
Four integrated Gigabit Ethernet 1000BASE-T ports (RJ-45); two integrated 10 Gb Ethernet ports
(10GBASE-T RJ-45 or 10GBASE-SR SFP+ based) on optional 10 Gb Ethernet mezzanine card
(does not consume a PCIe slot).
PCI Expansion
slots
Two slots, depending on the riser cards installed. The slots are as follows (all PCIe slots are PCIe
3.0, all PCI-X slots are 64 bit/133 MHz):
Slot 1: PCIe x16; low profile, half-length
z
Slot 2: PCIe x8, opt. PCI-X or PCIe x16; full-height/length (req. 2nd CPU)
z
Additional dedicated slot for ServeRAID adapter.
Ports
Two USB 2.0 (three USB 2.0 for 3.5" HDD models) and one DB-15 video on front. Four USB 2.0,
one DB-15 video, one DB-9 serial, one RJ-45 systems management, four RJ-45 GbE network
ports, two optional RJ-45 or SFP+ 10 GbE network ports on rear. One internal USB ports (for
embedded hypervisor).
Cooling
IBM Calibrated Vectored Cooling™ with up to six N+N redundant hot-swap fans (four standard,
additional two with second processor); each fan has two motors.
Power supply
Up to two redundant hot-swap 550 W ac or 750 W ac power supplies (80+ Platinum certification).
Hot-swap parts
Hard drives, power supplies, fans.
