HP ProLiant SL210t Gen8 Server - Manual (Page 37)

Hardware options installation 37
Memory options
DIMM identification
To determine DIMM characteristics, use the label attached to the DIMM and the following illustration and
table.
Item Description Definition
1
Size —
2 Rank 1R = Single-rank
2R = Dual-rank
4R = Quad-rank
3 Data width x4 = 4-bit
x8 = 8-bit
4 Voltage rating L = Low voltage (1.35v)
U = Ultra low voltage (1.25v)
Blank or omitted = Standard
5 Memory speed 14900 = 1866-MT/s
12800 = 1600-MT/s
10600 = 1333-MT/s
8500 = 1066-MT/s
6 DIMM type R = RDIMM (registered)
E = UDIMM (unbuffered with ECC)
L = LRDIMM (load reduced)
For the latest supported memory information, see the QuickSpecs on the HP website
(
http://www.hp.com/go/qs ). At the website, choose the geographic region, and then locate the product by
name or product category.
Single-rank and dual-rank DIMMs
DIMM configuration requirements are based on these classifications: