Product comparison · 2 memory modules

Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8 vs Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x4

Key differences

Check width
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:8 bit
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x4:4 bit
Memory ranking
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:2
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x4:1
Chips organisation
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:X8
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x4:X4

Differences highlightedShow differences only

Comparison of 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8, 2GB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x4
20 specifications	A Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8 View product	B Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Single Rank, x4 View product
Features2 differ
Internal memory	2 GB	2 GB
Memory layout (modules x size)	1 x 2 GB	1 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latency	3	3
Memory bus	72 bit	72 bit
Check widthDiffers	8 bit	4 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory rankingDiffers	2	1
Memory voltage	1.8 V	1.8 V
Module configuration	256M X 72	256M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	Gold
Other features1 differ
Chips organisationDiffers	X8	X4
Bus clock rate	400 MHz	400 MHz
Error indication	ECC	ECC
Form factor	240-pin DIMM	240-pin DIMM
Internal memory	2048 MB	2048 MB
Memory layout	1 x 2048 MB	1 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.