
Table 64. Expansion card slots supported on the system board (continued)
PCIe
slot
With
Regular
shroud
PCIe slot
length
R1a
R1b
R1c
R2a
R3a
R3b
R4a
R4b
R4c
Height-
Half Length
4 and Full
Length
Slot
6
Low
profile-Half
Length
x16
Slot
7
Low profile
and Full
Height-
Half Length
Full
Height-3/
4 and Full
Length
x16(GPU)
x8
x16
Slot
8
Low profile
and Full
Height-
Half Length
Low
profile
and Full
Height-
Half
Length
x8
x16
Memory specifications
The PowerEdge R7525 system supports the following memory specifications for optimized operation.
Table 65. Memory specifications
DIMM type
DIMM rank
DIMM capacity
Single processor
Dual processor
Minimum RAM
Maximum RAM
Minimum RAM
Maximum RAM
RDIMM
Single rank
8 GB
8 GB
128 GB
16 GB
256 GB
Dual rank
16 GB
16 GB
256 GB
32 GB
512 GB
32 GB
32 GB
512 GB
64 GB
1 TB
64 GB
64 GB
1 TB
128 GB
2 TB
LRDIMM
Octa rank
128 GB
128 GB
2 TB
256 GB
4 TB
Table 66. Memory module sockets
Memory module sockets
Speed
32, 288-pin
3200 MT/s, 2933 MT/s, 2666 MT/s
Storage controller specifications
The PowerEdge R7525 system supports the following controller cards:
Table 67. PowerEdge R7525 system controller cards
Internal controllers
External controllers
•
PERC H745
•
PERC H345
•
HBA345
•
S150
•
Boot Optimized Storage Subsystem (BOSS-S1): HWRAID 2 x
M.2 SSDs
•
12Gbps SAS Ext. HBA
•
PERC H840
Technical specifications
189