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, Chipkill (for x4-based memory DIMMs), memory mirroring, and memory rank 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
Slot 2: PCIe x8, opt. PCI-X or PCIe x16; full-height/half-length (PCIe x16 req. 2nd CPU)
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); two fan zones with N+1 fan design; 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), or 750 W dc power supply options.
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