Product guide
Superior performance/U in a 4-socket, 2U server
Please see the Legal Information section for important notices and information.
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x3755 M3 Specifications
maximum 22x, 42x, 62x 32x, 52x, 72x
Hot-swap/redundant power supported
Yes (with 2 power supplies for 2 processors; 3 power supplies for 4 processors)—via
CTO
# of fans/blowers standard / maximum 5 / 5 fans (plus one fan per power supply)
Hot-swap/redundant fans supported Yes; nonredundant fans available via CTO
Heat emitted
648 (min.) - 3753 (typical) BTUs per
hour;
190 (min.) - 1100 (typical) Watts per hour
5971 BTUs per hour max. (1930 watts) at
110 VAC;
6739 BTUs per hour max. (2150 watts) at
220 VAC
Rack mount method Toolless slides and Cable Management Arm (provided standard)
Maximum altitude
7,000 ft;
2,133 m
Operating temperature range
50 – 95º F; 10 – 35º C (up to 3,000 ft /
914.4 m)
50 – 90º F; 10 – 32º C (3,000 ft to 7,000
ft / 914.4m to 2,133m)
Dimensions (HWD) / weight
3.43” (87mm) H
17.56” (446mm) W
28.64” (727.5mm) D (without front panel)
29.4” (747mm) D (with front panel)
48.6 (minimum) - 72.7 lb (maximum)
22 - 33 kg
Operating systems supported
Microsoft Windows Server 2008 (Standard//Web/Enterprise/Datacenter) with and
without Hyper-V, Windows PE 3.0, RHEL 5 64-bit with and without Xen, RHEL 6 64-bit,
SLES 10 64-bit, SLES 11 64-bit with and without Xen, VMware ESX/ESXi 4.0 and
vSphere Hypervisor 4.1
Length of limited warranty 3 years (parts and labor)
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The Bottom Line
The x3755 M3 is an extremely powerful system that incorporates leading-edge industry-standard
features and adds IBM-unique innovations:
Performance
• High-throughput processors — Up to four 1.7 to 2.3GHz 12-core AMD Opteron 6000 series
processors—up to 48 processor cores total; or up to four 1.8 to 2.3GHz 8-core AMD
Opteron 6000 series processors—up to 32 processor cores in all
• Large cache — 512KB of L2 processor cache; 12MB of L3 cache (shared) in all processors
• 64-bit extensions
• HyperTransport Technology — High-speed access among processors, memory and I/O
controllers
• Fast memory — Up to 1333MHz PC3-10600 DDR III ECC memory access (even with 8
DIMMs populated per processor), low latency, and two-way interleaving
• Large storage capacity — Up to 16TB of hot-swap SAS/SATA or up to 12TB (CTO only) of
simple-swap SATA
• Fast disk technology — Integrated ServeRAID-M1015 SAS/SATA controller providing
RAID-0/1/10, upgradeable to RAID-0/1/10/5/50 with SED; or integrated ServeRAID-M5015
SAS/SATA controller with 512MB of battery-backed cache, providing RAID-0/1/10/5/50,
upgradeable to RAID-6/60 with SED
• Fast communications — Integrated two dual-port Gigabit Ethernet controllers with TOE/
iSCSI/RDMA support
• Fast I/O — Four PCIe Gen 2 adapter slots
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For terms and conditions or copies of the IBM Statement of Limited Warranty, call 800-772-2227 in the U.S. In Canada call 800-
426-2255. IBM makes no representation or warranty regarding third-party products or services including those designated as
ServerProven or ClusterProven. Telephone support may be subject to additional charges. For warranties including onsite labor, a
technician is sent after IBM attempts to resolve the problem remotely. International warranty service is available in any country in
which this product is sold.