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IBM System x3550 M3 10

Express models

The following table lists the express models. Express models are typically only available in certain

countries. All models are withdrawn from marketing as of June 30, 2013. The System x3550 M4 is a

suitable replacement.

Table 3. Express models

Region/

model

Intel Xeon Processor†

(2 maximum)

RAM RAID Disk

bays

Disks GbE DVD Power

Supply

North America (NA)

7944-E4U 1x E5607 2.26GHz 4C 8 MB 1066 MHz 3x 2 GB M1015 4/8 Open 2x GbE Multi 1x 460W

7944-E5U 1x E5649 2.53GHz 6C 12 MB 1333 MHz 3x 2 GB M1015 4/8 Open 2x GbE Multi 1x 460W

7944-E6U 1x X5650 2.66GHz 6C 12 MB 1333 MHz 3x 4 GB M1015 4/8 Open 2x GbE Multi 2x 675W

Europe Integrated Operating Team (IOT)

7944-K3Gx 1x E5620 2.40GHz 4C 12 MB 1066 MHz 1x 4 GB M5014 8/8 Open 2x GbE Opt 1x 675W

7944-KAG 1x E5606 2.13GHz 4C 8 MB 1066 MHz 1x 4 GB M1015 4/8 Open 2x GbE Multi 1x 460W

7944-KEG 1x E5645 2.40GHz 4C 12 MB 1333 MHz 2x 4 GB M5014 4/8 Open 2x GbE Multi 2x 460W

7944-KLG 1x E5640 2.66GHz 4C 12 MB 1333 MHz 1x 4 GB M5014 4/8 Open 2x GbE Multi 1x 460W

Central and Eastern Europe (CEE) and Middle East & Africa (MEA)

7944-K3G 1x E5620 2.40GHz 4C 12 MB 1066 MHz 1x 4 GB M5014 8/8 Open 2x GbE Opt 1x 675W

7944-KAG 1x E5606 2.13GHz 4C 8 MB 1066 MHz 1x 4 GB M1015 4/8 Open 2x GbE Multi 1x 460W

7944-KEG 1x E5645 2.40GHz 4C 12 MB 1333 MHz 2x 4 GB M5014 4/8 Open 2x GbE Multi 2x 460W

7944-KJG 1x E5606 2.13GHz 4C 8 MB 1066 MHz 1x 4 GB M1015 4/8 2x 500 GB 2x GbE Multi 1x 460W

Russia/Commonwealth of Independent States (CIS)

7944-KDG 1x E5606 2.13GHz 4C 8 MB 1066 MHz 1x 4 GB M5015(b) 4/8 Open 2x GbE Multi 1x 675W

7944-KFG 1x E5620 2.40GHz 4C 12 MB 1066 MHz 2x 4 GB M5015(b) 4/8 Open 2x GbE Multi 1x 675W

7944-KGG 1x E5645 2.40GHz 4C 12 MB 1333 MHz 2x 4 GB M5015(b) 4/8 Open 2x GbE Multi 2x 675W

7944-KHG 1x E5620 2.40GHz 4C 12 MB 1066 MHz 3x 4 GB M5015(b) 4/8 3x 146GB 2x GbE Multi 1x 675W

Latin America (LA)

7944-E4U 1x E5607 2.26GHz 4C 8 MB 1066 MHz 3x 2 GB M1015 4/8 Open 2x GbE Multi 1x 460W

7944-E5U 1x E5649 2.53GHz 6C 12 MB 1333 MHz 3x 2 GB M1015 4/8 Open 2x GbE Multi 1x 460W

7944-E6U 1x X5650 2.66GHz 6C 12 MB 1333 MHz 3x 4 GB M1015 4/8 Open 2x GbE Multi 2x 675W

7944-E7U 1x E5606 2.13GHz 4C 8 MB 1066 MHz 1x 4 GB M1015 4/8 1x 500 GB 2x GbE Multi 1x 460W

7944-E8U 1x E5645 2.40GHz 4C 12 MB 1333 MHz 2x 4 GB M5014 4/8 Open 2x GbE Multi 2x 460W

† In the processor column: Standard quantity of processors, processor model, core speed, cores, L3 cache,

memory speed.

(b) The ServeRAID M5015 RAID controller in this model includes a battery.

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IBM System x3550 M3 Specifications

General

Tcase	77.6 °C
Bus type	QPI
Stepping	B1
FSB Parity	No
Processor code	SLBV4
Processor cache	12 MB
Processor cores	4
Processor model	E5620
System bus rate	5.86 GT/s
Processor series	Intel Xeon 5600 Series
Processor socket	Socket B (LGA 1366)
Processor threads	8
Processor codename	Westmere EP
Processor frequency	2.4 GHz
Processor cache type	Smart Cache
Processor lithography	32 nm
Processor manufacturer	Intel
Processor package size	42.5 X 45 mm
Processor front side bus	- MHz
Processor boost frequency	2.66 GHz
Processor operating modes	64-bit
ECC supported by processor	Yes
Supported instruction sets	SSE4.2
Thermal Design Power (TDP)	80 W
Number of processors installed	2
CPU multiplier (bus/core ratio)	18
Physical Address Extension (PAE)	40 bit
Memory types supported by processor	DDR3 800/1066
Memory channels supported by processor	Triple
Memory clock speeds supported by processor	800, 1066 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s
Maximum internal memory supported by processor	288 GB
HDD size	2.5 \
RAID levels	0, 1, 10
HDD interface	Serial Attached SCSI (SAS)
Optical drive type	-
Total storage capacity	0 GB
Maximum storage capacity	8 TB
Number of HDDs installed	0
Internal memory	24 GB
Internal memory type	DDR3-SDRAM
Maximum internal memory	192 GB
Memory layout (slots x size)	6 x 4 GB
Maximum graphics card memory	16 MB
Graphics card family	Matrox
Graphics card memory type	GDDR2
Cabling technology	10/100/1000Base-T(X)
Ethernet interface type	Gigabit Ethernet
Serial ports quantity	1
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Ethernet LAN (RJ-45) ports	3
Power supply	460 W
Power supply type	AC
Power requirements	100 - 240 V
Power supply input frequency	50 - 60 Hz
Compatible operating systems	Microsoft Windows Server 2008 R2 and 2008, Red Hat Enterprise Linux, SUSE Linux Enterprise Server and VMware ESXi, Oracle Solaris 10 (model dependent)
Storage temperature (T-T)	-40 - 60 °C
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	8 - 80 %
Chassis type	Rack (1U)
Processor ARK ID	47925
Intel® Turbo Boost Technology	1.0