Product comparison · 2 memory modules

Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4 Intel vs Kingston Technology 4GB, 1333MHz, DDR3, ECC Reg, w/Par CL9, DIMM (Kit of 2), DR x8 w/Sen (Intel)

Key differences

Internal memory
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4 Intel:2 GB
- 4GB, 1333MHz, DDR3, ECC Reg, w/Par CL9, DIMM (Kit of 2), DR x8 w/Sen (Intel):4 GB
Internal memory type
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4 Intel:DDR2
- 4GB, 1333MHz, DDR3, ECC Reg, w/Par CL9, DIMM (Kit of 2), DR x8 w/Sen (Intel):DDR3
Memory voltage
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4 Intel:1.8 V
- 4GB, 1333MHz, DDR3, ECC Reg, w/Par CL9, DIMM (Kit of 2), DR x8 w/Sen (Intel):1.5 V

Differences highlightedShow differences only

Comparison of 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4 Intel, 4GB, 1333MHz, DDR3, ECC Reg, w/Par CL9, DIMM (Kit of 2), DR x8 w/Sen (Intel)
12 specifications	A Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4 Intel View product	B Kingston Technology 4GB, 1333MHz, DDR3, ECC Reg, w/Par CL9, DIMM (Kit of 2), DR x8 w/Sen (Intel)View product
Features3 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Internal memory typeDiffers	DDR2	DDR3
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyKnown for one	Unknown — not stated by the source	9
Memory busKnown for one	Unknown — not stated by the source	72 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Memory voltageDiffers	1.8 V	1.5 V
Memory typeKnown for one	Unknown — not stated by the source	DDR3
Lead plating	Gold	Gold
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8

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.