"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
Memory Module Physical Sizes
DIMM Dimensions are Length x Height x Width
DIMM = Dual In-Line Memory Module
FBDIMM [133.50mm x 30.51mm x 5.1mm L x H x W]
FBDIMM = Fully Buffered DIMM
Found in 240-pin DIMM DDR2 Modules
mini-DIMM [82.127mm x 30.099mm x 3.80mm L x H x W]
mini-Dual In-Line Memory Module
Found in 244-pin DIMM DDR2 Modules
mini-RDIMM [82.127mm x 30.152mm x 3.80mm L x H x W]
mini Registered DIMM
Found in 244-pin DIMM DDR2 Modules
RDIMM [133.50mm x 30.50mm x 4.0mm L x H x W]
Registered DIMM
Found in 240-pin DIMM DDR2 Modules
SODIMM [67.75mm x 30.15mm x 3.8mm L x H x W]
Small Outline DIMM
Found in 200-pin DIMM DDR2 Modules
SOCDIMM [67.75mm x 30.15mm x 3.8mm L x H x W]
Small Outline Clocked DIMM
Found in 200-pin DIMM DDR2 Modules
SORDIMM [67.75mm x 30.15mm x 3.8mm L x H x W]
Small-Outline Registered DIMMs
Found in 200-pin DIMM DDR2 Modules
UDIMM [133.50mm x 30.50mm x 4.0mm L x H x W]
Unbuffered DIMM
Found in 240-pin DIMM DDR2 Modules
ULP-DIMM [133.5mm x 17.78mm x 3.8mm L x H x W]
Ultra Low Profile DIMM
Found in 240-pin DIMM DDR2 Modules
VLP Mini-RDIMM [82.127mm x 18.03mm x 3.8mm L x H x W]
Very Low Profile memory Mini-RDIMM
Found in 244-pin DIMM DDR2 Modules
VLP-RDIMM [133.50mm x 18.05mm x 4.0mm L x H x W]
Very Low Profile memory-RDIMM
Found in 240-pin DIMM DDR2 Modules
VLP SORDIMM [67.75mm x 18.00mm x 3.8mm L x H x W]
Very Low Profile Small-Outline Registered DIMM
Found in 200-pin DIMM DDR2 Modules
Note some data sheets indicate 0.72 inches for VLP height.
