Product comparison · 2 memory modules

Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8 vs Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8

7specifications compared
4differ
3identical
5known for one product only

Key differences

The Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8 has 2 GB more internal memory than the Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8 (4 GB vs 2 GB). The Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8 has 4 more CAS latency than the Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8 (9 vs 5). The Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8 has 0.3 V more memory voltage than the Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8 (1.8 V vs 1.5 V). Internal memory type: DDR3 on the Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8, DDR2 on the Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8.

Internal memory
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8:2 GB
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8:4 GB
Internal memory type
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8:DDR3
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8:DDR2
CAS latency
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8:9
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8:5
Memory voltage
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8:1.5 V
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8:1.8 V

Side by side

Differences highlightedShow differences only

Comparison of 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8, 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8
12 specifications	A Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM Dual Rank, x8 View product	B Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8 View product
Features4 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR3	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	9	5
Memory busKnown for one	72 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory voltageDiffers	1.5 V	1.8 V
Memory typeKnown for one	DDR3	Unknown — not stated by the source
Lead plating	Gold	Gold
Other featuresidentical
Chips organisationKnown for one	X8	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.

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