Product comparison · 2 memory modules

Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8 vs Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Quad Rank, x8

Key differences

Internal memory
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:4 GB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Quad Rank, x8:8 GB
Memory layout (modules x size)
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:1 x 4 GB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Quad Rank, x8:2 x 4 GB
Internal memory
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:4096 MB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Quad Rank, x8:8192 MB
Memory layout
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:1 x 4096 MB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Quad Rank, x8:2 x 4096 MB

Differences highlightedShow differences only

Comparison of 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8, 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Quad Rank, x8
19 specifications	A Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8 View product	B Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Quad Rank, x8 View product
Features2 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	2 x 4 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latency	5	5
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory ranking	4	4
Memory voltage	1.8 V	1.8 V
Module configuration	512M X 72	512M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	Gold
Other features2 differ
Chips organisation	X8	X8
Bus clock rate	667 MHz	667 MHz
Error indication	ECC	ECC
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryDiffers	4096 MB	8192 MB
Memory layoutDiffers	1 x 4096 MB	2 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.