Dell EMC PowerEdge R7525 - Memory Specifications; Storage Controller Specifications; Memory Module Sockets; Poweredge R7525 System Controller Cards

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