Product comparison · 2 memory modules

Kingston Technology 2GB DDR2-667 Low Power Single Rank Kit vs Kingston Technology 4GB DDR2-667 Low Power Single Rank Kit

Key differences

Internal memory
- 2GB DDR2-667 Low Power Single Rank Kit:2 GB
- 4GB DDR2-667 Low Power Single Rank Kit:4 GB
Memory layout (modules x size)
- 2GB DDR2-667 Low Power Single Rank Kit:2 x 1 GB
- 4GB DDR2-667 Low Power Single Rank Kit:2 x 2 GB
Module configuration
- 2GB DDR2-667 Low Power Single Rank Kit:128M X 72
- 4GB DDR2-667 Low Power Single Rank Kit:256M X 72
Internal memory
- 2GB DDR2-667 Low Power Single Rank Kit:2048 MB
- 4GB DDR2-667 Low Power Single Rank Kit:4096 MB
Memory layout
- 2GB DDR2-667 Low Power Single Rank Kit:2 x 1024 MB
- 4GB DDR2-667 Low Power Single Rank Kit:2 x 2048 MB

Differences highlightedShow differences only

Comparison of 2GB DDR2-667 Low Power Single Rank Kit, 4GB DDR2-667 Low Power Single Rank Kit
19 specifications	A Kingston Technology 2GB DDR2-667 Low Power Single Rank Kit View product	B Kingston Technology 4GB DDR2-667 Low Power Single Rank Kit View product
Features3 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	2 x 1 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
CAS latency	5	5
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory ranking	1	1
Memory voltage	1.8 V	1.8 V
Module configurationDiffers	128M X 72	256M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	Gold
Other features3 differ
Chips organisation	X8	X8
CompatibilityDiffers	408851-B21 (HP); 483399-B21 (HP); EV282AA (HP)	461840-B21 (HP); 483401-B21 (HP); EV283AA (HP)
Bus clock rate	667 MHz	667 MHz
Error indication	Parity	Parity
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryDiffers	2048 MB	4096 MB
Memory layoutDiffers	2 x 1024 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.