HP 512MB SDRAM 133MHz vs Kingston Technology 512MB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x8

Comparison of 512MB SDRAM 133MHz, 512MB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x8

16 specifications	A HP 512MB SDRAM 133MHzView product	B Kingston Technology 512MB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x8View product
Features1 differ
Internal memory typeKnown for one	—Unknown — not stated by the source	DDR2
Memory form factorDiffers	168-pin DIMM	240-pin DIMM
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	1 x 0.5 GB	—Unknown — not stated by the source
Memory clock speedKnown for one	133 MHz	—Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	—Unknown — not stated by the source
Memory voltageKnown for one	3.3 V	—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
Packaging dataidentical
Package typeKnown for one	DIMM	—Unknown — not stated by the source

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.