Kingston Technology 4GB DDR2-533 ECC Kit vs Kingston Technology 4GB DDR2 667 MHz

Comparison of 4GB DDR2-533 ECC Kit, 4GB DDR2 667 MHz

22 specifications	A Kingston Technology 4GB DDR2-533 ECC KitView product	B Kingston Technology 4GB DDR2 667 MHzView product
Features2 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)	2 x 2 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Component forKnown for one	—Unknown — not stated by the source	Laptop
Memory form factorKnown for one	—Unknown — not stated by the source	200-pin SO-DIMM
ECCDiffers	Yes	No
CAS latencyKnown for one	—Unknown — not stated by the source	5
Memory busDiffers	72 bit	64 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltageKnown for one	—Unknown — not stated by the source	1.8 V
Module configurationKnown for one	—Unknown — not stated by the source	256M X 64
Memory type	DDR2	DDR2
Product colourKnown for one	—Unknown — not stated by the source	Multicolour
Lead platingKnown for one	—Unknown — not stated by the source	Gold
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	67.6 mm
Other featuresidentical
CompatibilityKnown for one	—Unknown — not stated by the source	MA940G/A (Apple); MA940G/B (Apple)
Bus clock rateKnown for one	—Unknown — not stated by the source	667 MHz
Error indicationKnown for one	—Unknown — not stated by the source	No
Form factorKnown for one	—Unknown — not stated by the source	200-pin SODIMM
Internal memoryKnown for one	—Unknown — not stated by the source	4096 MB
Mac compatibilityKnown for one	—Unknown — not stated by the source	Yes
Memory layoutKnown for one	—Unknown — not stated by the source	2 x 2048 MB

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.