Product comparison · 2 memory modules

HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP vs HyperX Single Channel memory 1 GB DIMM 240-pin DDR3

Key differences

Internal memory
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:4 GB
- HyperX Single Channel memory 1 GB DIMM 240-pin DDR3:1 GB
Memory form factor
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:204-pin SO-DIMM
- HyperX Single Channel memory 1 GB DIMM 240-pin DDR3:240-pin DIMM
Memory clock speed
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:1066 MHz
- HyperX Single Channel memory 1 GB DIMM 240-pin DDR3:1800 MHz

Differences highlightedShow differences only

Comparison of 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP, HyperX Single Channel memory 1 GB DIMM 240-pin DDR3
9 specifications	A HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP View product	B HyperX HyperX Single Channel memory 1 GB DIMM 240-pin DDR3 View product
Features3 differ
Internal memoryDiffers	4 GB	1 GB
Memory layout (modules x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Internal memory type	DDR3	DDR3
Memory form factorDiffers	204-pin SO-DIMM	240-pin DIMM
ECC	No	No
CAS latencyKnown for one	5	Unknown — not stated by the source
Memory clock speedDiffers	1066 MHz	1800 MHz
Memory voltageKnown for one	1.5 V	Unknown — not stated by the source
Lead plating	Gold	Gold

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.