Product guide

Superior performance/U in a 4-socket, 2U server with up to 64 processor cores
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x3755 M3 Specifications
Maximum power draw per core
14.4W
(22x, 42x, 52x, J2x,
6212)
9.9W
(32x, 6124HE)
8.75W
(A2x)
6.6W
(6164HE)
11.4W
(6176SE)
9.6W
(62x, 72x, G2x,
6168, 6238)
7.2W
(B2x, D2x, 6274)
5.3W
(L2x)
HyperTransport link speed
6.4GHz coherent (among processors); 5.2GHz noncoherent (between processor and
I/O)
# of processors standard / maximum 2 / 4 (22x, 42x, 62x)
4/4 (32x, 52x, 72x, A2x, B2x, D2x, G2x,
J2x, L2x)
Internal L2 / L3 processor cache
512KB L2 per core / 12MB L3 (shared per
socket)—6100 series
2MB L2 (shared per 2 cores) / 16MB L3
(shared per socket)—6200 series
Chipset AMD SR5690 and SP5100
Standard memory
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32GB (4 x 8GB)—A2x,
B2x, D2x, G2x, J2x, L2x
16GB (4 x 4GB)—32x,
52x, 62x, 72x
8GB (2 x 4GB)—22x, 42x
Maximum memory
512GB @ 1066MHz (32 x
16GB RDIMMs)
256GB @ 1333MHz (16 x
16GB or 32 x 8GB
RDIMMs)
128GB @ 1333MHz (32 x
4GB UDIMMs)
Standard memory type PC3-10600 (1333MHz) DDR3 ECC, 4GB 1Rx4
Memory interleaving Yes (two-way)
DIMM capacities supported 2GB, 4GB, 8GB, or 16GB RDIMM 2GB or 4GB UDIMM
DIMM types supported
RDIMMs
2GB 1Rx8 1333GHz 1.5V LP
2GB 1Rx8 1333GHz 1.35V LP
4GB 2Rx4 1333GHz 1.5V LP
4GB 1Rx4 1333GHz 1.5V LP
4GB 1Rx4 1333GHz 1.35V LP
8GB 2Rx4 1333GHz 1.5V LP
8GB 2Rx4 1333GHz 1.35V LP
16GB 4Rx4 1066GHz 1.35V LP
UDIMMs
2GB 1Rx8 1333GHz LP
4GB 2Rx8 1333GHz LP
# of DIMM sockets total / available
32 / 28 (32x, 52x, 62x, 72x)—8 sockets
per processor
32 / 30 (22x, 42x, A2x, B2x, D2x, G2x,
J2x, L2x)—8 sockets per processor
2 DIMMs per Channel (2DPC) support Yes (up to 256GB at 2DPC) at 1333MHz
Online memory sparing supported / #
of DIMM sockets reserved for sparing
Yes / 1 rank per channel (4 channels per processor)
Memory mirroring supported / # of
DIMM sockets reserved for mirroring
N/A
# of drive bays total / available
9 / 9—22x, 32x, 42x, 52x, 62x, 72x, A2x,
B2x, D2x, G2x, J2x, L2x
8 / 8—via CTO only
# of HDD drive bays total / available
8 / 8 3.5-inch hot-swap—22x, 32x, 42x,
52x, 62x, 72x, A2x, B2x, D2x, G2x, J2x,
L2x
6 / 6 3.5-inch simple-swap 3.5-inch via
CTO only
# of 5.25-inch bays total / available 1 / 1 (optical drive optional)
# of 3.5-inch tape drive bays total /
available
1 / 1 (optional)
Maximum HDD capacity
24TB (8 x 3TB) hot-swap SAS/SATA 3.5-
inch—22x, 32x, 42x, 52x, 62x, 72x, A2x,
12TB (6 x 2TB) simple-swap SATA 3.5-
inch—via CTO only
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Maximum memory and disk capacity may require the replacement of standard components with the largest supported component
available.