Product comparison · 2 memory modules

HyperX 2GB 1066MHz DDR2 Non-ECC DIMM (Kit of 2) vs Kingston Technology 4GB 533MHz Kit

Key differences

Memory bus
- 2GB 1066MHz DDR2 Non-ECC DIMM (Kit of 2):64 bit
- 4GB 533MHz Kit:72 bit
Buffered memory type
- 2GB 1066MHz DDR2 Non-ECC DIMM (Kit of 2):Unregistered (unbuffered)
- 4GB 533MHz Kit:Registered (buffered)

Differences highlightedShow differences only

Comparison of 2GB 1066MHz DDR2 Non-ECC DIMM (Kit of 2), 4GB 533MHz Kit
20 specifications	A HyperX 2GB 1066MHz DDR2 Non-ECC DIMM (Kit of 2)View product	B Kingston Technology 4GB 533MHz Kit View product
Features2 differ
Internal memory	2 GB	2 GB
Internal memory type	DDR2	DDR2
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
ECCKnown for one	No	Unknown — not stated by the source
CAS latencyKnown for one	5	Unknown — not stated by the source
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Check widthKnown for one	8 bit	Unknown — not stated by the source
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageKnown for one	2.2 V	Unknown — not stated by the source
Module configurationKnown for one	128M X 64	Unknown — not stated by the source
Row cycle timeKnown for one	51.5 ns	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	Unknown — not stated by the source
Other featuresidentical
Bus clock rateKnown for one	1066 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Internal memoryKnown for one	2048 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 1024 MB	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.