Dell Precision 7875 Tower - Memory Matrix

Table 5. Memory specifications(continued)
Description Values
Memory size per slot
16 GB, 32 GB, 64 GB, 128 GB, 256 GB
Memory configurations supported
● 16 GB: 1 x 16 GB, DDR4, 4800 MT/s, ECC
● 32 GB: 2 x 16 GB, DDR5, 4800 MT/s, ECC
● 64 GB: 4 x 16 GB, DDR5, 4800 MT/s, ECC
● 64 GB: 2 x 32 GB, DDR5, 4800 MT/s, ECC
● 128 GB: 8 x 16 GB, DDR5, 4800 MT/s, ECC
● 128 GB: 4 x 32 GB, DDR5, 4800 MT/s, ECC
● 256 GB: 8 x 32 GB, DDR5, 4800 MT/s, ECC
● 256 GB: 4 x 64 GB, DDR5, 4800 MT/s, ECC
● 512 GB: 8 x 64 GB, DDR5, 4800 MT/s, ECC
● 512 GB: 4 x 128 GB, DDR5, 4800 MT/s, ECC
● 768 GB: 6 x 128 GB, DDR5, 4800 MT/s, ECC
● 1024 GB: 8 x 128 GB, DDR5, 4800 MT/s, ECC
● 1024 GB: 4 x 256 GB, DDR5, 4800 MT/s, ECC
● 1536 GB: 6 x 256 GB, DDR5, 4800 MT/s, ECC
● 2048 GB: 8 x 256 GB, DDR5, 4800 MT/s, ECC
Memory matrix
The following table lists the memory configurations supported on your Precision 7875 Tower.
Table 6. Memory matrix
Config
uration
Slot
DIMM1 DIMM2 DIMM3 DIMM4 DIMM5 DIMM6 DIMM7 DIMM8
16 GB
DDR4
16 GB
32 GB
DDR4
16 GB 16 GB
64 GB
DDR4
16 GB 16 GB 16 GB 16 GB
64 GB
DDR4
32 GB 32 GB
128 GB
DDR4
16 GB 16 GB 16 GB 16 GB 16 GB 16 GB 16 GB 16 GB
128 GB
DDR4
32 GB 32 GB 32 GB 32 GB
256 GB
DDR4
32 GB 32 GB 32 GB 32 GB 32 GB 32 GB 32 GB 32 GB
256 GB
DDR4
64 GB 64 GB 64 GB 64 GB
512 GB
DDR4
64 GB 64 GB 64 GB 64 GB 64 GB 64 GB 64 GB 64 GB
512 GB
DDR4
128 GB 128 GB 128 GB 128 GB
768 GB
DDR4
128 GB 128 GB 128 GB 128 GB 128 GB 128 GB
Specifications of Precision 7875 Tower 17