System upgrades 106
DIMM identification
To determine DIMM characteristics, see the label attached to the DIMM and refer to the
following illustration and table.
Item Description
Definition
1
Capacity
2 GB
4 GB
8 GB
16 GB
2
Rank
1R = Single-rank
2R = Dual-rank
4R = Quad-rank
8R = Octal-Rank
3
Data width on DRAM
X4 = 4-bit
X8 = 8-bit
4
Memory generation
PC4 (DDR4)
5
Maximum memory speed
2667 MT/s
6
CAS latency
P=16
7
DIMM type
R = RDIMM (registered)
L = LRDIMM (load reduced)
8
SPD Revision
10
For more information about product features, specifications, options, configurations, and
compatibility, see the product quick specs guide.
