Product comparison · 2 memory modules

Kingston Technology 16GB DDR2-667 Dual Rank Kit vs Kingston Technology 4GB 667MHz DDR2 Non-ECC CL5 SODIMM

Key differences

Internal memory
- 16GB DDR2-667 Dual Rank Kit:16 GB
- 4GB 667MHz DDR2 Non-ECC CL5 SODIMM:4 GB
Internal memory type
- 16GB DDR2-667 Dual Rank Kit:DRAM
- 4GB 667MHz DDR2 Non-ECC CL5 SODIMM:DDR2
Memory form factor
- 16GB DDR2-667 Dual Rank Kit:240-pin DIMM
- 4GB 667MHz DDR2 Non-ECC CL5 SODIMM:200-pin SO-DIMM

Differences highlightedShow differences only

Comparison of 16GB DDR2-667 Dual Rank Kit, 4GB 667MHz DDR2 Non-ECC CL5 SODIMM
19 specifications	A Kingston Technology 16GB DDR2-667 Dual Rank Kit View product	B Kingston Technology 4GB 667MHz DDR2 Non-ECC CL5 SODIMM View product
Features3 differ
Internal memoryDiffers	16 GB	4 GB
Memory layout (modules x size)Known for one	2 x 8 GB	Unknown — not stated by the source
Internal memory typeDiffers	DRAM	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
CAS latency	5	5
Memory busKnown for one	72 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory voltage	1.8 V	1.8 V
Module configurationKnown for one	1024M X 72	Unknown — not stated by the source
Memory typeKnown for one	DDR2	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
ECCKnown for one	Unknown — not stated by the source	No
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	408855-B21 (HP); 495605-B21 (HP); EV285AA (HP)	Unknown — not stated by the source
Bus clock rateKnown for one	667 MHz	Unknown — not stated by the source
Error indicationKnown for one	Parity	Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Internal memoryKnown for one	16384 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 8192 MB	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.