Product comparison · 2 memory modules

Kingston Technology 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8 vs Lenovo 512MB NP SDRAM DIMM UPG

8specifications compared
6differ
2identical
14known for one product only

Key differences

Internal memory
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:1 GB
- 512MB NP SDRAM DIMM UPG:0.5 GB
Memory form factor
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:184-pin DIMM
- 512MB NP SDRAM DIMM UPG:168-pin DIMM
CAS latency
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:2.5
- 512MB NP SDRAM DIMM UPG:3
Width
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:133 mm
- 512MB NP SDRAM DIMM UPG:133.4 mm
Depth
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:1.2 mm
- 512MB NP SDRAM DIMM UPG:35.7 mm
Height
- 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:32 mm
- 512MB NP SDRAM DIMM UPG:3.8 mm

Side by side

Differences highlightedShow differences only

Comparison of 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8, 512MB NP SDRAM DIMM UPG
22 specifications	A Kingston Technology 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8 View product	B Lenovo 512MB NP SDRAM DIMM UPG View product
Features3 differ
Internal memoryDiffers	1 GB	0.5 GB
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 form factorDiffers	184-pin DIMM	168-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	2.5	3
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	Registered (buffered)	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
Lead plating	Gold	Gold
Memory clock speedKnown for one	Unknown — not stated by the source	133 MHz
Weight & dimensions3 differ
WidthDiffers	133 mm	133.4 mm
DepthDiffers	1.2 mm	35.7 mm
HeightDiffers	32 mm	3.8 mm
WeightKnown for one	Unknown — not stated by the source	45 g
Other featuresidentical
Chips organisationKnown for one	X8	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Special featuresKnown for one	Unknown — not stated by the source	Authenticity Seal, Tamper evident carton seal
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%

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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