Product comparison · 2 memory modules

Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 vs Kingston Technology Valueram/2GB 667MHz DDR2 ECC DIMM Kitx2

Key differences

Internal memory
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:4 GB
- Valueram/2GB 667MHz DDR2 ECC DIMM Kitx2:2 GB
Memory layout (modules x size)
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:4 x 1 GB
- Valueram/2GB 667MHz DDR2 ECC DIMM Kitx2:2 x 1 GB
Internal memory
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:4096 MB
- Valueram/2GB 667MHz DDR2 ECC DIMM Kitx2:2048 MB
Memory layout
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:4 x 1024 MB
- Valueram/2GB 667MHz DDR2 ECC DIMM Kitx2:2 x 1024 MB

Differences highlightedShow differences only

Comparison of 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8, Valueram/2GB 667MHz DDR2 ECC DIMM Kitx2
19 specifications	A Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 View product	B Kingston Technology Valueram/2GB 667MHz DDR2 ECC DIMM Kitx2 View product
Features2 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	4 x 1 GB	2 x 1 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
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 configuration	128M X 72	128M 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	2048 MB
Memory layoutDiffers	4 x 1024 MB	2 x 1024 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.