Product comparison · 2 memory modules

HyperX 1GB 400MHz DDR Non-ECC CL2.5 DIMM vs Lenovo 512MB NP SDRAM DIMM UPG

Key differences

Internal memory
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:1 GB
- 512MB NP SDRAM DIMM UPG:0.5 GB
Memory form factor
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:184-Pin DIMM
- 512MB NP SDRAM DIMM UPG:168-pin DIMM
ECC
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:No
- 512MB NP SDRAM DIMM UPG:Yes
CAS latency
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:2
- 512MB NP SDRAM DIMM UPG:3
Memory clock speed
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:400 MHz
- 512MB NP SDRAM DIMM UPG:133 MHz
Operating temperature (T-T)
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:0 - 70 °C
- 512MB NP SDRAM DIMM UPG:10 - 35 °C

Differences highlightedShow differences only

Comparison of 1GB 400MHz DDR Non-ECC CL2.5 DIMM, 512MB NP SDRAM DIMM UPG
18 specifications	A HyperX 1GB 400MHz DDR Non-ECC CL2.5 DIMM View product	B Lenovo 512MB NP SDRAM DIMM UPG View product
Features5 differ
Internal memoryDiffers	1 GB	0.5 GB
Memory form factorDiffers	184-Pin DIMM	168-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	2	3
Memory clock speedDiffers	400 MHz	133 MHz
Internal memory typeKnown for one	DDR	Unknown — not stated by the source
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
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.4 mm
DepthKnown for one	Unknown — not stated by the source	35.7 mm
HeightKnown for one	Unknown — not stated by the source	3.8 mm
WeightKnown for one	Unknown — not stated by the source	45 g
Other featuresidentical
Special featuresKnown for one	Unknown — not stated by the source	Authenticity Seal, Tamper evident carton seal

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.