Product comparison · 2 memory modules

Kingston Technology 2GB DDR2-667 vs Kingston Technology 4GB 667MHz Kit

Key differences

Internal memory
- 2GB DDR2-667:2 GB
- 4GB 667MHz Kit:4 GB
Memory layout (modules x size)
- 2GB DDR2-667:1 x 2 GB
- 4GB 667MHz Kit:2 x 2 GB
Memory bus
- 2GB DDR2-667:64 bit
- 4GB 667MHz Kit:72 bit
Buffered memory type
- 2GB DDR2-667:Unregistered (unbuffered)
- 4GB 667MHz Kit:Registered (buffered)
Module configuration
- 2GB DDR2-667:256M X 64
- 4GB 667MHz Kit:256M X 72
Error indication
- 2GB DDR2-667:No
- 4GB 667MHz Kit:ECC
Internal memory
- 2GB DDR2-667:2048 MB
- 4GB 667MHz Kit:4096 MB
Memory layout
- 2GB DDR2-667:1 x 2048 MB
- 4GB 667MHz Kit:2 x 2048 MB

Differences highlightedShow differences only

Comparison of 2GB DDR2-667, 4GB 667MHz Kit
18 specifications	A Kingston Technology 2GB DDR2-667 View product	B Kingston Technology 4GB 667MHz Kit View product
Features5 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 2 GB
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Module configurationDiffers	256M X 64	256M X 72
Lead platingKnown for one	Unknown — not stated by the source	Gold
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	Unknown — not stated by the source
Other features4 differ
CompatibilityDiffers	A0735489 (DELL); A0735490 (DELL); A0735492 (DELL); A0735493 (DELL); A0743584 (DELL); A0743585 (DELL); A0743586 (DELL); A0764429 (DELL); A1189543 (DELL); A1229318 (DELL); A1229319 (DELL); A1229320 (DELL); A1229322 (DELL); A1229323 (DELL); A1229324 (DELL); A1229325 (DELL); A1249404 (DELL); A1312839 (D	S26361-F3263-L523 (Fujitsu); S26361-F3263-L623 (Fujitsu)
Error indicationDiffers	No	ECC
Internal memoryDiffers	2048 MB	4096 MB
Memory layoutDiffers	1 x 2048 MB	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.