Product comparison · 2 memory modules

Kingston Technology 16GB(4 x 4GB), 1066MHz, DDR3, ECC vs Kingston Technology 1GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM Single Rank, x8

Key differences

Internal memory
- 16GB(4 x 4GB), 1066MHz, DDR3, ECC:16 GB
- 1GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM Single Rank, x8:1 GB
Internal memory type
- 16GB(4 x 4GB), 1066MHz, DDR3, ECC:DDR3
- 1GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM Single Rank, x8:DDR2
CAS latency
- 16GB(4 x 4GB), 1066MHz, DDR3, ECC:7
- 1GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM Single Rank, x8:5
Buffered memory type
- 16GB(4 x 4GB), 1066MHz, DDR3, ECC:Unregistered (unbuffered)
- 1GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM Single Rank, x8:Registered (buffered)
Memory voltage
- 16GB(4 x 4GB), 1066MHz, DDR3, ECC:1.5 V
- 1GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM Single Rank, x8:1.8 V

Differences highlightedShow differences only

Comparison of 16GB(4 x 4GB), 1066MHz, DDR3, ECC, 1GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM Single Rank, x8
18 specifications	A Kingston Technology 16GB(4 x 4GB), 1066MHz, DDR3, ECC View product	B Kingston Technology 1GB, 800MHz, DDR2, ECC Fully Buffered, CL5, DIMM Single Rank, x8 View product
Features5 differ
Internal memoryDiffers	16 GB	1 GB
Memory layout (modules x size)Known for one	4 x 4 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	7	5
Memory busKnown for one	72 bit	Unknown — not stated by the source
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageDiffers	1.5 V	1.8 V
Module configurationKnown for one	512M X 72	Unknown — not stated by the source
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
Bus clock rateKnown for one	1066 MHz	Unknown — not stated by the source
Error indicationKnown for one	ECC	Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Internal memoryKnown for one	16384 MB	Unknown — not stated by the source
Memory layoutKnown for one	4 x 4096 MB	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.