Product comparison · 2 memory modules

Kingston Technology 1GB 333MHz DDR ECC CL2.5 DIMM vs Lenovo 512MB NP SDRAM DIMM UPG

Key differences

Internal memory
- 1GB 333MHz DDR ECC CL2.5 DIMM:1 GB
- 512MB NP SDRAM DIMM UPG:0.5 GB
Memory form factor
- 1GB 333MHz DDR ECC CL2.5 DIMM:184-pin DIMM
- 512MB NP SDRAM DIMM UPG:168-pin DIMM
CAS latency
- 1GB 333MHz DDR ECC CL2.5 DIMM:2.5
- 512MB NP SDRAM DIMM UPG:3

Differences highlightedShow differences only

Comparison of 1GB 333MHz DDR ECC CL2.5 DIMM, 512MB NP SDRAM DIMM UPG
20 specifications	A Kingston Technology 1GB 333MHz DDR ECC CL2.5 DIMM View product	B Lenovo 512MB NP SDRAM DIMM UPG View product
Features3 differ
Internal memoryDiffers	1 GB	0.5 GB
Memory form factorDiffers	184-pin DIMM	168-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	2.5	3
Memory clock speedKnown for one	Unknown — not stated by the source	133 MHz
Lead plating	Gold	Gold
Memory layout (modules x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR	Unknown — not stated by the source
Memory busKnown for one	72 bit	Unknown — not stated by the source
Check widthKnown for one	8 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Memory voltageKnown for one	2.5 V	Unknown — not stated by the source
Memory typeKnown for one	DDR	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	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.