User Manual

Table 5. Memory specifications (continued)
Description Values
NOTE: Maximum memory speed varies by the following
configuration on each channel. If the 2 DIMM
configuration is not symmetrical, the maximum speed may
drop.
4400 MHz : 1 DIMM-1R/2R
4000 MHz : 2 DIMM-1R
3600 MHz : 2 DIMM-2R
Maximum memory configuration
128 GB
Minimum memory configuration
8 GB
Memory size per slot
8 GB, 16 GB, and 32 GB
Memory configurations supported
8 GB, 1 x 8 GB, DDR5, 4400 MHz, non-ECC
16 GB, 2 x 8 GB, DDR5, 4400 MHz, non-ECC, dual-
channel
32 GB, 2 x 16 GB, DDR5, 4400 MHz, non-ECC, dual-
channel
64 GB, 2 x 32 GB, DDR5, 4400 MHz, non-ECC, dual-
channel
32 GB, 4 x 8 GB, DDR5, 4000 MHz, non-ECC, dual-
channel
64 GB, 4 x 16 GB, DDR5, 4000 MHz, non-ECC, dual-
channel
128 GB, 4 x 32 GB, DDR5, 3600 MHz, non-ECC, dual-
channel
16 GB, 1 x 16 GB, DDR5, 4400 MHz, ECC
32 GB, 2 x 16 GB, DDR5, 4400 MHz, ECC, dual-channel
64 GB, 2 x 32 GB, DDR5, 4400 MHz, ECC, dual-channel
64 GB 4 x 16 GB, DDR5, 4000 MHz, ECC, dual-channel
128 GB 4 x 32 GB, DDR5, 3600 MHz, ECC, dual-channel
NOTE: ECC memory is not supported on Intel Core
i3-12100 processor.
Memory matrix
The following table lists the memory configurations supported for your Precision 3660 Tower.
Table 6. Memory matrix
Configurati
on
Slot
DIMM1 DIMM2 DIMM3 DIMM4
8 GB DDR5 8 GB NA NA NA
16 GB DDR5 16 GB NA NA NA
16 GB DDR5 8 GB 8 GB NA NA
32 GB DDR5 16 GB 16 GB NA NA
64 GB DDR5 32 GB 32 GB NA NA
32 GB DDR5 8 GB 8 GB 8 GB 8 GB
64 GB DDR5 16 GB 16 GB 16 GB 16 GB
Specifications of Precision 3660 Tower 13