HyperX 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2) vs HyperX 2GB 1066MHz DDR2 Non-ECC DIMM (Kit of 2)

Comparison of 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2), 2GB 1066MHz DDR2 Non-ECC DIMM (Kit of 2)

20 specifications	A HyperX 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2)View product	B HyperX 2GB 1066MHz DDR2 Non-ECC DIMM (Kit of 2)View product
Features1 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	No	No
CAS latency	5	5
Memory clock speed	1066 MHz	1066 MHz
Memory bus	64 bit	64 bit
Check width	8 bit	8 bit
Buffered memory typeKnown for one	—Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltage	2.2 V	2.2 V
Module configurationKnown for one	—Unknown — not stated by the source	128M X 64
Row cycle time	51.5 ns	51.5 ns
Lead plating	Gold	Gold
Memory layout (modules x size)Known for one	2 x 0.5 GB	—Unknown — not stated by the source
Component forKnown for one	PC/Server	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 55 °C	0 - 55 °C
Other featuresidentical
Bus clock rateKnown for one	—Unknown — not stated by the source	1066 MHz
Error indicationKnown for one	—Unknown — not stated by the source	No
Internal memoryKnown for one	—Unknown — not stated by the source	2048 MB
Memory layoutKnown for one	—Unknown — not stated by the source	2 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.