HP 8GB DDR2-400 vs Kingston Technology 512MB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x8

Comparison of 8GB DDR2-400, 512MB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x8

15 specifications	A HP 8GB DDR2-400View product	B Kingston Technology 512MB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x8View product
Features1 differ
Internal memoryDiffers	8 GB	0.5 GB
Internal memory type	DDR2	DDR2
Memory form factorKnown for one	—Unknown — not stated by the source	240-pin DIMM
ECC	Yes	Yes
CAS latencyKnown for one	—Unknown — not stated by the source	3
Memory busKnown for one	—Unknown — not stated by the source	72 bit
Check widthKnown for one	—Unknown — not stated by the source	8 bit
Memory layout (modules x size)Known for one	2 x 4 GB	—Unknown — not stated by the source
Component forKnown for one	PC/Server	—Unknown — not stated by the source
Memory clock speedKnown for one	800 MHz	—Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	133 mm
DepthKnown for one	—Unknown — not stated by the source	4 mm
HeightKnown for one	—Unknown — not stated by the source	30 mm
Other featuresidentical
Mac compatibilityKnown for one	—Unknown — not stated by the source	No

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.