Product comparison · 2 memory modules

Kingston Technology 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8 vs Kingston Technology 1GB DDR2-667

10specifications compared
8differ
2identical
14known for one product only

Key differences

Internal memory type
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:DDR
- 1GB DDR2-667:DDR2
Memory form factor
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:184-pin DIMM
- 1GB DDR2-667:240-pin DIMM
CAS latency
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:2.5
- 1GB DDR2-667:5
Memory bus
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:72 bit
- 1GB DDR2-667:64 bit
Buffered memory type
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:Registered (buffered)
- 1GB DDR2-667:Unregistered (unbuffered)
Memory voltage
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:2.5 V
- 1GB DDR2-667:1.8 V
Memory type
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:DDR
- 1GB DDR2-667:DDR2
Width
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:133 mm
- 1GB DDR2-667:133.3 mm

Side by side

Differences highlightedShow differences only

Comparison of 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8, 1GB DDR2-667
24 specifications	A Kingston Technology 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8 View product	B Kingston Technology 1GB DDR2-667 View product
Features7 differ
Internal memory	1 GB	1 GB
Memory layout (modules x size)	1 x 1 GB	1 x 1 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factorDiffers	184-pin DIMM	240-pin DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
CAS latencyDiffers	2.5	5
Memory busDiffers	72 bit	64 bit
Check widthKnown for one	8 bit	Unknown — not stated by the source
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Memory voltageDiffers	2.5 V	1.8 V
Memory typeDiffers	DDR	DDR2
Lead platingKnown for one	Gold	Unknown — not stated by the source
Module configurationKnown for one	Unknown — not stated by the source	128M X 64
Weight & dimensions1 differ
WidthDiffers	133 mm	133.3 mm
DepthKnown for one	1.2 mm	Unknown — not stated by the source
HeightKnown for one	32 mm	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	X8	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
CompatibilityKnown for one	Unknown — not stated by the source	311-5049 (DELL); A0534020 (DELL); A0735470 (DELL); A0913211 (DELL)
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	No
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	1024 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 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.

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