Product comparison · 2 memory modules

HyperX Memory HyperX 512MB 400Mhz DDR 2Pk vs Lenovo 512MB NP SDRAM DIMM UPG

Key differences

Internal memory
- Memory HyperX 512MB 400Mhz DDR 2Pk:0.25 GB
- 512MB NP SDRAM DIMM UPG:0.5 GB
Memory form factor
- Memory HyperX 512MB 400Mhz DDR 2Pk:184-Pin DIMM
- 512MB NP SDRAM DIMM UPG:168-pin DIMM
ECC
- Memory HyperX 512MB 400Mhz DDR 2Pk:No
- 512MB NP SDRAM DIMM UPG:Yes
CAS latency
- Memory HyperX 512MB 400Mhz DDR 2Pk:2
- 512MB NP SDRAM DIMM UPG:3
Memory clock speed
- Memory HyperX 512MB 400Mhz DDR 2Pk:400 MHz
- 512MB NP SDRAM DIMM UPG:133 MHz
Operating temperature (T-T)
- Memory HyperX 512MB 400Mhz DDR 2Pk:0 - 70 °C
- 512MB NP SDRAM DIMM UPG:10 - 35 °C

Differences highlightedShow differences only

Comparison of Memory HyperX 512MB 400Mhz DDR 2Pk, 512MB NP SDRAM DIMM UPG
18 specifications	A HyperX Memory HyperX 512MB 400Mhz DDR 2Pk View product	B Lenovo 512MB NP SDRAM DIMM UPG View product
Features5 differ
Internal memoryDiffers	0.25 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.