Memory options, Dimm identification, Single-rank and dual-rank dimms – HP ProLiant SL210t Gen8 Server User 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
. 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: