Product comparison · 2 memory modules

Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 VLP vs Kingston Technology 8GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2)

Key differences

Internal memory
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 VLP:4 GB
- 8GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2):8 GB
Memory layout (modules x size)
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 VLP:1 x 4 GB
- 8GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2):2 x 4 GB
Memory form factor
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 VLP:240-pin DIMM
- 8GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2):200-pin SO-DIMM
ECC
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 VLP:Yes
- 8GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2):No
CAS latency
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 VLP:5
- 8GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2):6

Differences highlightedShow differences only

Comparison of 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 VLP, 8GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2)
8 specifications	A Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 VLP View product	B Kingston Technology 8GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2)View product
Features5 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 factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	5	6
Memory voltage	1.8 V	1.8 V
Lead platingKnown for one	Gold	Unknown — not stated by the source

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.