Table 32. GPU thermal restriction matrix (continued)
GPU TDP Supported GPU Fan configuration Maximum supported
qu
antity
Note
HPRx4 6 Does not support fan
redundancy
Nvidia L4 HPRx8 5 NA
HPRx7 (with TBU only) 4 Only supported on Riser
2 and does not support
fan redundancy.
HPRx4 4 Does not support fan
redundancy
NOTE: Nvidia L4 GPU is not supported on Riser 1 in HPRx7 and HPRx4 configurations due to thermal constraint and is not
s
upported at PCIe slot 5 as Nvidia L4 is a PCIe x16 GPU card.
Thermal air restrictions
Th
ermal air restrictions for different configurations
Table 33. 8 x 3.5-inch drive configuration
Standard Operating Support
(
A
SHRAE A2 compliant)
NOTE: All options supported unless
o
therwise noted.
Extended ambient 40° C Operating
Su
pport (ASHRAE A3 compliant)
Extended ambient 45° C Operating
Support (ASHRAE A4 compliant)
● 3x or 4x STD Fan config only support
C
PU Base TDP<=185W
● 3x STD Fans config does Does not
support BOSS module
● HPR fan is required to support 128G
DDR5 DIMM
● With STD Fans, the following OCP3.0
& PCIe cards only support optic
cable with thermal Spec 85C and
power <=1.2W
○ Mellanox CX6 Lx 25GB 2P PCIe
card
○ Broadcom 25GB 4P SPF 57504
PCIe card
○ Intel 25GB 4P E810-CCV PCIe
card
○ Intel 25GB 2P XXV710 PCIe card
○ Intel 25GB 4P E810-XXV OCP
card
● T
wo PSUs are required. System
performance may be reduced in the
event of a PSU failure
● Does not support 3x or 4x STD Fans
configs
● Does not support 8x STD fans
configurations with CPU Base TDP >
125W
● HPRx8 Fans configuration is required
to support BOSS M.2 Module
● Does not support TBU
● Does not support Non-Dell qualified
peripheral cards and Channel devices
(FW) cards
● Does not support PCIe card
consuming power >= 25W and
Mellanox CX6 Lx 25GB 2P PCIe card
● Does not support OCP transfer rate
>25G or cooling tier > 10
● Does not support GPU card
● Optic Cable with spec 85C is
required.
● T
wo PSUs are required. System
performance may be reduced in the
event of a PSU failure
● Does not support STD fans configs
● Does not support 4x HPR fans config
with CPU Base TDP > 150W
● Does not support 8x HPR fans
configs with CPU Base TDP > 225W
● Does not support TBU
● Does not support BOSS M.2 Module
● Does not support Non-Dell qualified
peripheral cards and Channel devices
(FW) cards
● Does not support PCIe card
consuming power >= 25W and
Mellanox CX6 Lx 25GB 2P PCIe card
● Does not support OCP transfer rate
>25G or cooling tier > 10
● Does not support GPU card
● Optic Cable with spec 85C is
required.
Table 34. 8 x 2.5-inch, 16 x 2.5-inch, 24 x 2.5-inch and 12 x 3.5-inch drive configuration
Standard Operating Support
(ASHRAE A2 compliant)
Extended ambient 40° C Operating
Support (ASHRAE A3 compliant)
Extended ambient 45° C Operating
Support (ASHRAE A4 compliant)
● 4x STD fans support only processor
w
ith TDP<=185W
● Could Does not support 2.5" SAS4
drives with STDx4 Fans
● Two PSUs are required. System
performance may be reduced in the
event of a PSU failure
● Two PSUs are required. System
performance may be reduced in the
event of a PSU failure
44 Technical specifications
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