Product comparison · 2 memory modules

Kingston Technology 2GB 800MHz DDR2 ECC Reg with Parity CL6 DIMM Single Rank, x4 vs Kingston Technology 4GB 800MHz DDR2 ECC CL6 DIMM (Kit of 2)

Key differences

Internal memory
- 2GB 800MHz DDR2 ECC Reg with Parity CL6 DIMM Single Rank, x4:2 GB
- 4GB 800MHz DDR2 ECC CL6 DIMM (Kit of 2):4 GB
Memory layout (modules x size)
- 2GB 800MHz DDR2 ECC Reg with Parity CL6 DIMM Single Rank, x4:1 x 2 GB
- 4GB 800MHz DDR2 ECC CL6 DIMM (Kit of 2):2 x 2 GB
Buffered memory type
- 2GB 800MHz DDR2 ECC Reg with Parity CL6 DIMM Single Rank, x4:Registered (buffered)
- 4GB 800MHz DDR2 ECC CL6 DIMM (Kit of 2):Unregistered (unbuffered)

Differences highlightedShow differences only

Comparison of 2GB 800MHz DDR2 ECC Reg with Parity CL6 DIMM Single Rank, x4, 4GB 800MHz DDR2 ECC CL6 DIMM (Kit of 2)
18 specifications	A Kingston Technology 2GB 800MHz DDR2 ECC Reg with Parity CL6 DIMM Single Rank, x4 View product	B Kingston Technology 4GB 800MHz DDR2 ECC CL6 DIMM (Kit of 2)View product
Features3 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latency	6	6
Memory bus	72 bit	72 bit
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Memory voltage	1.8 V	1.8 V
Module configuration	256M X 72	256M X 72
Memory type	DDR2	DDR2
Lead plating	Gold	Gold
Other featuresidentical
Bus clock rate	800 MHz	800 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	2 x 2048 MB
Chips organisationKnown for one	X4	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.