Product comparison · 2 memory modules

Kingston Technology 2GB DDR2-667 Fully Buffered DIMM vs Kingston Technology 4GB DDR2-667 Registered with Parity DIMM

Key differences

Internal memory
- 2GB DDR2-667 Fully Buffered DIMM:2 GB
- 4GB DDR2-667 Registered with Parity DIMM:4 GB
Memory layout (modules x size)
- 2GB DDR2-667 Fully Buffered DIMM:1 x 2 GB
- 4GB DDR2-667 Registered with Parity DIMM:1 x 4 GB
Module configuration
- 2GB DDR2-667 Fully Buffered DIMM:256M X 72
- 4GB DDR2-667 Registered with Parity DIMM:512M X 72
Error indication
- 2GB DDR2-667 Fully Buffered DIMM:ECC
- 4GB DDR2-667 Registered with Parity DIMM:Parity
Internal memory
- 2GB DDR2-667 Fully Buffered DIMM:2048 MB
- 4GB DDR2-667 Registered with Parity DIMM:4096 MB
Memory layout
- 2GB DDR2-667 Fully Buffered DIMM:1 x 2048 MB
- 4GB DDR2-667 Registered with Parity DIMM:1 x 4096 MB

Differences highlightedShow differences only

Comparison of 2GB DDR2-667 Fully Buffered DIMM, 4GB DDR2-667 Registered with Parity DIMM
16 specifications	A Kingston Technology 2GB DDR2-667 Fully Buffered DIMM View product	B Kingston Technology 4GB DDR2-667 Registered with Parity DIMM View product
Features3 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
Internal memory type	DDR2	DDR2
CAS latency	5	5
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory rankingKnown for one	2	Unknown — not stated by the source
Memory voltage	1.8 V	1.8 V
Module configurationDiffers	256M X 72	512M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	Gold
Other features3 differ
Bus clock rate	667 MHz	667 MHz
Error indicationDiffers	ECC	Parity
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryDiffers	2048 MB	4096 MB
Memory layoutDiffers	1 x 2048 MB	1 x 4096 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.