Table 33. Thermal restrictions configuration (continued)
Configuration Number
of
processor
s
Heatsink Processor/DIMM
blank
DIMM
blanks
Type of air
shroud
Fan
One 2U standard heat sink
for CPU > 125 W
blank to cover
two fan slots
PowerEdge
R740xd
2
Two 1U standard heat sink
for CPU ≤ 125 W
Not required
Not
required
Standard
Six standard
fans
Two 2U standard heat sink
for CPU > 125 W
PowerEdge
R740xd with
mid bay
1 One 1U high performance
heat sink
Required Required Not required Six high
performance
fans
PowerEdge
R740xd with
mid bay
2 Two 1U high performance
heat sink
Not required Required Not required Six high
performance
fans
PowerEdge
R740xd with
GPU
2 Two 1U high performance
heat sink
Not required Not
required
GPU air shroud Six high
performance
fans
PowerEdge
R740xd with
rear drive only
1
One 1U standard heat sink
for CPU ≤ 125 W
Required
Not
required
Standard
Six high
performance
fans
One 2U standard heat sink
for CPU > 125 W
PowerEdge
R740xd with
rear drive only
2
Two 1U standard heat sink
for CPU ≤ 125 W
Required
Not
required
Standard
Six high
performance
fans
Two 2U standard heat sink
for CPU > 125 W
Table 34. Thermal restriction for efficient cooling
Configuration Number
of
processor
s
Heatsink Processor blank DIMM
blanks
Fresh air Fan
Eight 2.5 inch
hard drive
system
2 Two heat sinks for CPU <
165W
Not required 12 Yes eight standard
fans
Two heat sinks for CPU ≥
165 W
No
4 Four standard heat sinks for
CPU < 165 W
Not required 24 Yes eight standard
fans
Four heat sinks CPU ≥ 165 W No
Twenty four
2.5 inch hard
drive system
2 Two standard heat sinks for
CPU < 165W
Not required 12 Yes eight standard
fans
Two heat sinks for CPU ≥
165 W
No
4 Four standard heat sinks for
CPU < 165 W
Not required 24 Yes eight standard
fans
Four heat sinks for CPU ≥
165 W
No
38 Technical specifications