Product comparison · 2 memory modules

Kingston Technology 4GB, 1066MHz, DDR3, ECC, CL7, DIMM vs Kingston Technology 64GB Kit f/ HP Compaq

Key differences

Internal memory
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:4 GB
- 64GB Kit f/ HP Compaq:64 GB
Memory layout (modules x size)
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:1 x 4 GB
- 64GB Kit f/ HP Compaq:8 x 8 GB
Internal memory type
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:DDR3
- 64GB Kit f/ HP Compaq:DRAM
CAS latency
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:7
- 64GB Kit f/ HP Compaq:5
Buffered memory type
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:Unregistered (unbuffered)
- 64GB Kit f/ HP Compaq:Registered (buffered)
Memory voltage
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:1.5 V
- 64GB Kit f/ HP Compaq:1.8 V
Module configuration
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:512M X 72
- 64GB Kit f/ HP Compaq:1024M X 72
Memory type
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:DDR3
- 64GB Kit f/ HP Compaq:DDR2

Differences highlightedShow differences only

Comparison of 4GB, 1066MHz, DDR3, ECC, CL7, DIMM, 64GB Kit f/ HP Compaq
20 specifications	A Kingston Technology 4GB, 1066MHz, DDR3, ECC, CL7, DIMM View product	B Kingston Technology 64GB Kit f/ HP Compaq View product
Features8 differ
Internal memoryDiffers	4 GB	64 GB
Memory layout (modules x size)Differs	1 x 4 GB	8 x 8 GB
Internal memory typeDiffers	DDR3	DRAM
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
CAS latencyDiffers	7	5
Memory bus	72 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageDiffers	1.5 V	1.8 V
Module configurationDiffers	512M X 72	1024M X 72
Memory typeDiffers	DDR3	DDR2
Lead plating	Gold	Gold
Other features3 differ
Chips organisationKnown for one	X8	Unknown — not stated by the source
Bus clock rateDiffers	1066 MHz	667 MHz
Error indication	ECC	ECC
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryDiffers	4096 MB	65536 MB
Memory layoutDiffers	1 x 4096 MB	8 x 8192 MB
CompatibilityKnown for one	Unknown — not stated by the source	495604-B21 (HP)
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.3 mm

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.