Product comparison · 2 memory modules

Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8 vs Kingston Technology 4GB DDR2 DIMM

Key differences

Internal memory
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:2 GB
- 4GB DDR2 DIMM:4 GB
Memory layout (modules x size)
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:1 x 2 GB
- 4GB DDR2 DIMM:2 x 2 GB
Check width
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:8 bit
- 4GB DDR2 DIMM:4 bit
Memory ranking
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:2
- 4GB DDR2 DIMM:1
Chips organisation
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:X8
- 4GB DDR2 DIMM:X4
Internal memory
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:2048 MB
- 4GB DDR2 DIMM:4096 MB
Memory layout
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8:1 x 2048 MB
- 4GB DDR2 DIMM:2 x 2048 MB

Differences highlightedShow differences only

Comparison of 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8, 4GB DDR2 DIMM
21 specifications	A Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x8 View product	B Kingston Technology 4GB DDR2 DIMM View product
Features4 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 2 GB
Component forKnown for one	Unknown — not stated by the source	PC/Server
Check widthDiffers	8 bit	4 bit
Memory rankingDiffers	2	1
Other features3 differ
Chips organisationDiffers	X8	X4
Internal memoryDiffers	2048 MB	4096 MB
Memory layoutDiffers	1 x 2048 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.