Kingston Technology 2GB DDR2-667 ECC vs Lenovo 2GB PC2-4200 533MHz DDR2 SDRAM UDIMM Memory

Comparison of 2GB DDR2-667 ECC, 2GB PC2-4200 533MHz DDR2 SDRAM UDIMM Memory

23 specifications	A Kingston Technology 2GB DDR2-667 ECCView product	B Lenovo 2GB PC2-4200 533MHz DDR2 SDRAM UDIMM MemoryView product
Features1 differ
Internal memory	2 GB	2 GB
Memory layout (modules x size)Known for one	1 x 2 GB	—Unknown — not stated by the source
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Yes	—Unknown — not stated by the source
CAS latencyDiffers	5	4
Memory busKnown for one	72 bit	—Unknown — not stated by the source
Buffered memory typeKnown for one	Unregistered (unbuffered)	—Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	—Unknown — not stated by the source
Module configurationKnown for one	256M X 72	—Unknown — not stated by the source
Memory typeKnown for one	DDR2	—Unknown — not stated by the source
Memory clock speedKnown for one	—Unknown — not stated by the source	533 MHz
Lead platingKnown for one	—Unknown — not stated by the source	Gold
Other featuresidentical
CompatibilityKnown for one	A0740237 (DELL); A0744012 (DELL); A0763261 (DELL); A0821568 (DELL); A0821569 (DELL); A0958408 (DELL); A1229332 (DELL); A1229333 (DELL); A1312842 (DELL); A1355833 (DELL); A1355839 (DELL)	—Unknown — not stated by the source
Bus clock rateKnown for one	667 MHz	—Unknown — not stated by the source
Error indicationKnown for one	ECC	—Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	—Unknown — not stated by the source
Internal memoryKnown for one	2048 MB	—Unknown — not stated by the source
Memory layoutKnown for one	1 x 2048 MB	—Unknown — not stated by the source
Number of pinsKnown for one	—Unknown — not stated by the source	240
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	134 mm
DepthKnown for one	—Unknown — not stated by the source	30 mm
HeightKnown for one	—Unknown — not stated by the source	4 mm

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.