Product comparison · 2 memory modules

HyperX 256MB DDR2 675MHz vs Lenovo 512MB NP SDRAM DIMM UPG

8specifications compared
8differ
0identical
9known for one product only

Key differences

The Lenovo 512MB NP SDRAM DIMM UPG has 0.25 GB more internal memory than the HyperX 256MB DDR2 675MHz (0.5 GB vs 0.25 GB). The HyperX 256MB DDR2 675MHz has 72 -pin DIMM more memory form factor than the Lenovo 512MB NP SDRAM DIMM UPG (240-pin DIMM vs 168-pin DIMM). The HyperX 256MB DDR2 675MHz has 1 more CAS latency than the Lenovo 512MB NP SDRAM DIMM UPG (4 vs 3). Only the Lenovo 512MB NP SDRAM DIMM UPG has ECC. Operating temperature (T-T): 0 - 55 °C on the HyperX 256MB DDR2 675MHz, 10 - 35 °C on the Lenovo 512MB NP SDRAM DIMM UPG.

Internal memory
- HyperX 256MB DDR2 675MHz:0.25 GB
- 512MB NP SDRAM DIMM UPG:0.5 GB
Memory form factor
- HyperX 256MB DDR2 675MHz:240-pin DIMM
- 512MB NP SDRAM DIMM UPG:168-pin DIMM
ECC
- HyperX 256MB DDR2 675MHz:No
- 512MB NP SDRAM DIMM UPG:Yes
CAS latency
- HyperX 256MB DDR2 675MHz:4
- 512MB NP SDRAM DIMM UPG:3
Operating temperature (T-T)
- HyperX 256MB DDR2 675MHz:0 - 55 °C
- 512MB NP SDRAM DIMM UPG:10 - 35 °C
Width
- HyperX 256MB DDR2 675MHz:133 mm
- 512MB NP SDRAM DIMM UPG:133.4 mm
Depth
- HyperX 256MB DDR2 675MHz:2.7 mm
- 512MB NP SDRAM DIMM UPG:35.7 mm
Height
- HyperX 256MB DDR2 675MHz:30 mm
- 512MB NP SDRAM DIMM UPG:3.8 mm

Side by side

Differences highlightedShow differences only

Comparison of HyperX 256MB DDR2 675MHz, 512MB NP SDRAM DIMM UPG
17 specifications	A HyperX HyperX 256MB DDR2 675MHz View product	B Lenovo 512MB NP SDRAM DIMM UPG View product
Features4 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Memory form factorDiffers	240-pin DIMM	168-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	4	3
Memory clock speedKnown for one	Unknown — not stated by the source	133 MHz
Lead platingKnown for one	Unknown — not stated by the source	Gold
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory busKnown for one	64 bit	Unknown — not stated by the source
Check widthKnown for one	16 bit	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 55 °C	10 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Weight & dimensions3 differ
WidthDiffers	133 mm	133.4 mm
DepthDiffers	2.7 mm	35.7 mm
HeightDiffers	30 mm	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
Mac compatibilityKnown for one	No	Unknown — not stated by the source

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.

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