Product comparison · 2 memory modules

Buffalo 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ) vs Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8

5specifications compared
5differ
0identical
15known for one product only

Key differences

The Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8 has 3 GB more internal memory than the Buffalo 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ) (4 GB vs 1 GB). The Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8 has 56 -pin DIMM more memory form factor than the Buffalo 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ) (240-pin DIMM vs 184-pin DIMM). The Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8 has 2.5 more CAS latency than the Buffalo 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ) (5 vs 2.5). Internal memory type: DDR on the Buffalo 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ), DDR2 on the Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8.

Internal memory
- 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ):1 GB
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8:4 GB
Internal memory type
- 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ):DDR
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8:DDR2
Memory form factor
- 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ):184-pin DIMM
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8:240-pin DIMM
CAS latency
- 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ):2.5
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8:5
Memory voltage
- 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ):2.6 V
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8:1.8 V

Side by side

Differences highlightedShow differences only

Comparison of 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ), 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8
20 specifications	A Buffalo 400MHz, PC3200 Unbuffered x64 Non-ECC, 184 Pin (DD4003-1G/BJ)View product	B Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x8 View product
Features5 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factorDiffers	184-pin DIMM	240-pin DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
CAS latencyDiffers	2.5	5
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 rankingKnown for one	Unknown — not stated by the source	2
Memory voltageDiffers	2.6 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory clock speedKnown for one	400 MHz	Unknown — not stated by the source
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	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	2 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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