Product comparison · 2 memory modules

Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Par CL9 DIMM (Kit of 2), SR, x8 w/Thermal Sensor vs Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8

Key differences

Internal memory
- 2GB, 1333MHz, DDR3, ECC Reg w/Par CL9 DIMM (Kit of 2), SR, x8 w/Thermal Sensor:2 GB
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8:4 GB
Internal memory type
- 2GB, 1333MHz, DDR3, ECC Reg w/Par CL9 DIMM (Kit of 2), SR, x8 w/Thermal Sensor:DDR3
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8:DDR2
CAS latency
- 2GB, 1333MHz, DDR3, ECC Reg w/Par CL9 DIMM (Kit of 2), SR, x8 w/Thermal Sensor:9
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8:5
Memory voltage
- 2GB, 1333MHz, DDR3, ECC Reg w/Par CL9 DIMM (Kit of 2), SR, x8 w/Thermal Sensor:1.5 V
- 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8:1.8 V

Differences highlightedShow differences only

Comparison of 2GB, 1333MHz, DDR3, ECC Reg w/Par CL9 DIMM (Kit of 2), SR, x8 w/Thermal Sensor, 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8
12 specifications	A Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Par CL9 DIMM (Kit of 2), SR, x8 w/Thermal Sensor View product	B Kingston Technology 4GB, 800MHz, DDR2, ECC Fully Buffered, CL5 DIMM, Quad Rank, x8 View product
Features4 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Known for one	2 x 1 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR3	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	9	5
Memory busKnown for one	72 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory voltageDiffers	1.5 V	1.8 V
Memory typeKnown for one	DDR3	Unknown — not stated by the source
Lead plating	Gold	Gold
Other featuresidentical
Chips organisationKnown for one	X8	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.