Product comparison · 2 memory modules

HyperX 1GB 400MHz DDR Non-ECC CL2 (2-3-2-6-1) DIMM (Kit of 2) vs Lenovo Memory 128MB 66MHz nParity SDRAM f 770

Key differences

Memory form factor
- 1GB 400MHz DDR Non-ECC CL2 (2-3-2-6-1) DIMM (Kit of 2):184-Pin DIMM
- Memory 128MB 66MHz nParity SDRAM f 770:144-pin SO-DIMM
ECC
- 1GB 400MHz DDR Non-ECC CL2 (2-3-2-6-1) DIMM (Kit of 2):No
- Memory 128MB 66MHz nParity SDRAM f 770:Yes
Memory clock speed
- 1GB 400MHz DDR Non-ECC CL2 (2-3-2-6-1) DIMM (Kit of 2):400 MHz
- Memory 128MB 66MHz nParity SDRAM f 770:66 MHz
Operating temperature (T-T)
- 1GB 400MHz DDR Non-ECC CL2 (2-3-2-6-1) DIMM (Kit of 2):0 - 70 °C
- Memory 128MB 66MHz nParity SDRAM f 770:10 - 35 °C

Differences highlightedShow differences only

Comparison of 1GB 400MHz DDR Non-ECC CL2 (2-3-2-6-1) DIMM (Kit of 2), Memory 128MB 66MHz nParity SDRAM f 770
15 specifications	A HyperX 1GB 400MHz DDR Non-ECC CL2 (2-3-2-6-1) DIMM (Kit of 2)View product	B Lenovo Memory 128MB 66MHz nParity SDRAM f 770 View product
Features3 differ
Internal memoryKnown for one	0.5 GB	Unknown — not stated by the source
Memory form factorDiffers	184-Pin DIMM	144-pin SO-DIMM
ECCDiffers	No	Yes
CAS latencyKnown for one	2	Unknown — not stated by the source
Memory clock speedDiffers	400 MHz	66 MHz
Memory busKnown for one	64 bit	Unknown — not stated by the source
Check widthKnown for one	8 bit	Unknown — not stated by the source
Memory voltageKnown for one	2.6 V	Unknown — not stated by the source
Internal memory access speedKnown for one	5 ns	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 70 °C	10 - 35 °C
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	4 mm
DepthKnown for one	Unknown — not stated by the source	25.4 mm
HeightKnown for one	Unknown — not stated by the source	67.6 mm

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.