Product comparison · 2 memory modules

Kingston Technology 2GB DDR2 800 ECC vs Kingston Technology 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4

Key differences

Internal memory
- 2GB DDR2 800 ECC:2 GB
- 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4:4 GB
Memory layout (modules x size)
- 2GB DDR2 800 ECC:1 x 2 GB
- 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4:1 x 4 GB
Buffered memory type
- 2GB DDR2 800 ECC:Unregistered (unbuffered)
- 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4:Registered (buffered)
Module configuration
- 2GB DDR2 800 ECC:256M X 72
- 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4:512M X 72

Differences highlightedShow differences only

Comparison of 2GB DDR2 800 ECC, 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4
12 specifications	A Kingston Technology 2GB DDR2 800 ECC View product	B Kingston Technology 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 View product
Features4 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
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latency	5	5
Memory bus	72 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationDiffers	256M X 72	512M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	Gold

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.