Product comparison · 2 memory modules

Kingston Technology 3GB, 1066MHz, DDR3, ECC, CL7, DIMM (Kit of 3) vs Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM (Kit of 2), Single Rank, x4

Key differences

Internal memory
- 3GB, 1066MHz, DDR3, ECC, CL7, DIMM (Kit of 3):3 GB
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM (Kit of 2), Single Rank, x4:4 GB
Memory layout (modules x size)
- 3GB, 1066MHz, DDR3, ECC, CL7, DIMM (Kit of 3):3 x 1 GB
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM (Kit of 2), Single Rank, x4:2 x 2 GB
Internal memory type
- 3GB, 1066MHz, DDR3, ECC, CL7, DIMM (Kit of 3):DDR3
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM (Kit of 2), Single Rank, x4:DDR2
CAS latency
- 3GB, 1066MHz, DDR3, ECC, CL7, DIMM (Kit of 3):7
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM (Kit of 2), Single Rank, x4:5
Memory voltage
- 3GB, 1066MHz, DDR3, ECC, CL7, DIMM (Kit of 3):1.5 V
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM (Kit of 2), Single Rank, x4:1.8 V

Differences highlightedShow differences only

Comparison of 3GB, 1066MHz, DDR3, ECC, CL7, DIMM (Kit of 3), 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM (Kit of 2), Single Rank, x4
8 specifications	A Kingston Technology 3GB, 1066MHz, DDR3, ECC, CL7, DIMM (Kit of 3)View product	B Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM (Kit of 2), Single Rank, x4 View product
Features5 differ
Internal memoryDiffers	3 GB	4 GB
Memory layout (modules x size)Differs	3 x 1 GB	2 x 2 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	7	5
Memory voltageDiffers	1.5 V	1.8 V
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.