IBM 7944E2U, User Manual

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Leadership enterprise server with significantly lower cost of ownership in a highly available and
expandable, rack-dense, 1U dual-socket server
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16
IBM System x3550 M3 Specifications
Machine type 7944-A2x, B2x, C2x, D2x, F2x, G2x, H2x, J2x, M2x, N2x
Form factor 1U
Processor type
6-Core Xeon
(L56xx/X56xx)
2.26GHz L5640 (H2x),
2.66GHz X5650 (J2x),
2.93GHz X5670 (M2x),
3.33GHz
X5680 (N2x),
other processors
supported via CTO
4-Core Xeon
(E56xx/L56xx)
2.13GHz L5630 (C2x),
2.4GHz E5620 (D2x),
2.53GHz E5630 (F2x),
2.66GHz
E5640 (G2x),
other processors
supported via CTO
4-Core Xeon
(E55xx)
2.13GHz E5506 (A2x),
2.26GHz E5507 (B2x),
other processors
supported via CTO
Maximum processor power draw
130W
—N2x
(3.46GHz
X5677
processor
supported via
CTO)
95W —J2x,
M2x
(X5550,
X5560,
X5570,
X5667
processors
supported via
CTO)
80W —A2x,
B2x, D2x, F2x,
G2x (E5503,
E5504, E5520,
E5530, E5540
processors
supported via
CTO)
60W —H2x
40W
—C2x
(L5609
processor
supported
via CTO)
QuickPath Interconnect (QPI) speed
(gigatransfers per second) 6.4GTps
(J2x, M2x, N2x)
5.86GTps
(C2x, D2x, F2x, G2x,
H2x)
4.8GTps
(A2x, B2x)
# of processors standard / maximum 2 / 2 (F2x) 1 / 2 (all other models)
Hyper Threading Technology supported
Yes (2 threads per core) — C2x, D2x,
F2x, G2x, H2x, J2x, M2x, N2x
No — A2x, B2x
Turbo Boost Technology supported
Yes — C2x, D2x, F2x, G2x, H2x, J2x,
M2x, N2x
No — A2x, B2x
Internal L3 cache
12MB (1 shared 12MB cache)—(all
other models)
4MB (1 shared 4MB cache)—(A2x,
B2x)
Chipset
Intel 5520
Standard memory (192GB maximum)
12GB (3 x 4GB) — J2x,
M2x, N2x
8GB (2 x 4GB) — F2x
4GB (1 x 4GB) — A2x,
B2x, C2x, D2x, G2x, H2x
# of DIMM sockets total / available
18 /
15
— J2x, M2x, N2x 18 /
16
— F2x
18 /
17
— A2x, B2x, C2x,
D2x, G2x, H2x
Standard memory voltage
1.5V (A2x, B2x, D2x, F2x, G2x, J2x,
M2x, N2x)
1.35V (C2x, H2x)
Standard memory type
Registered
PC3-10600 (DDR III ECC (
Chipkill
protection standard)—Dual-rank
x4
Maximum memory access speed 1333MHz (H2x, J2x, M2x, N2x)
1066MHz (A2x, B2x, C2x, D2x, F2x,
G2x)
Memory interleaving Yes (two-way using pairs DIMMs)
DIMM types / capacities supported
(* When available in 2Q/2010)
PC3-10600
1333MHz RDIMM
2GB single -rank x4 ,
1.5V;
2GB single-rank x8 1.5V;
2GB dual-rank x8 1.5V;
2GB dual-rank x8 1.35V ;
4GB dual-rank x4 1.5V;
4GB dual-rank x4 1.35V ;
8GB dual-rank
x4
1.5V;
*8GB dual-rank
x4 1.35V
PC3-10600
1333MHz UDIMM
2GB dual-rank x8 1.5V;
*4GB dual-rank x8 1.35V
PC3-8500
1066MHz RDIMM
*8GB dual-rank x4
1.35V;
*16GB quad-rank x4
1.5V