Product comparison · 2 memory modules

Kingston Technology 4GB 800MHz DDR2 ECC CL6 DIMM vs Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8

8specifications compared
4differ
4identical
11known for one product only

Key differences

The Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8 has 4 GB more internal memory than the Kingston Technology 4GB 800MHz DDR2 ECC CL6 DIMM (8 GB vs 4 GB). The Kingston Technology 4GB 800MHz DDR2 ECC CL6 DIMM has 1 more CAS latency than the Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8 (6 vs 5). Memory layout (modules x size): 1 x 4 GB on the Kingston Technology 4GB 800MHz DDR2 ECC CL6 DIMM, 4 x 2 GB on the Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8. Buffered memory type: Unregistered (unbuffered) on the Kingston Technology 4GB 800MHz DDR2 ECC CL6 DIMM, Registered (buffered) on the Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8.

Internal memory
- 4GB 800MHz DDR2 ECC CL6 DIMM:4 GB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8:8 GB
Memory layout (modules x size)
- 4GB 800MHz DDR2 ECC CL6 DIMM:1 x 4 GB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8:4 x 2 GB
CAS latency
- 4GB 800MHz DDR2 ECC CL6 DIMM:6
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8:5
Buffered memory type
- 4GB 800MHz DDR2 ECC CL6 DIMM:Unregistered (unbuffered)
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8:Registered (buffered)

Side by side

Differences highlightedShow differences only

Comparison of 4GB 800MHz DDR2 ECC CL6 DIMM, 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8
19 specifications	A Kingston Technology 4GB 800MHz DDR2 ECC CL6 DIMM View product	B Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 4) Dual Rank, x8 View product
Features4 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	4 x 2 GB
Memory form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
CAS latencyDiffers	6	5
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 72
Lead platingKnown for one	Unknown — not stated by the source	Gold
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	8192 MB
Memory layoutKnown for one	Unknown — not stated by the source	4 x 2048 MB

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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