Product comparison · 2 memory modules

Kingston Technology 1GB, 533MHz, DDR2, ECC Fully Buffered, CL4 DIMM Single Rank, x8 vs Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8

11specifications compared
3differ
8identical
8known for one product only

Key differences

The Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 has 3 GB more internal memory than the Kingston Technology 1GB, 533MHz, DDR2, ECC Fully Buffered, CL4 DIMM Single Rank, x8 (4 GB vs 1 GB). The Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 has 3 x 1 GB more memory layout (modules x size) than the Kingston Technology 1GB, 533MHz, DDR2, ECC Fully Buffered, CL4 DIMM Single Rank, x8 (4 x 1 GB vs 1 x 1 GB). The Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 has 1 more CAS latency than the Kingston Technology 1GB, 533MHz, DDR2, ECC Fully Buffered, CL4 DIMM Single Rank, x8 (5 vs 4).

Internal memory
- 1GB, 533MHz, DDR2, ECC Fully Buffered, CL4 DIMM Single Rank, x8:1 GB
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:4 GB
Memory layout (modules x size)
- 1GB, 533MHz, DDR2, ECC Fully Buffered, CL4 DIMM Single Rank, x8:1 x 1 GB
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:4 x 1 GB
CAS latency
- 1GB, 533MHz, DDR2, ECC Fully Buffered, CL4 DIMM Single Rank, x8:4
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:5

Side by side

Differences highlightedShow differences only

Comparison of 1GB, 533MHz, DDR2, ECC Fully Buffered, CL4 DIMM Single Rank, x8, 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8
19 specifications	A Kingston Technology 1GB, 533MHz, DDR2, ECC Fully Buffered, CL4 DIMM Single Rank, x8 View product	B Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 View product
Features3 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Differs	1 x 1 GB	4 x 1 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	4	5
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	1
Memory voltage	1.8 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	128M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	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	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	4 x 1024 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.

More memory module comparisons

All memory module comparisons