Product comparison · 2 memory modules

Kingston Technology 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel) vs Kingston Technology 4GB DDR3 1066MHz SODIMM

11specifications compared
6differ
5identical
8known for one product only

Key differences

The Kingston Technology 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel) has 2 more CAS latency than the Kingston Technology 4GB DDR3 1066MHz SODIMM (9 vs 7). The Kingston Technology 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel) has 8 bit more memory bus than the Kingston Technology 4GB DDR3 1066MHz SODIMM (72 bit vs 64 bit). Memory layout (modules x size): 4 x 1 GB on the Kingston Technology 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel), 1 x 4 GB on the Kingston Technology 4GB DDR3 1066MHz SODIMM. Memory form factor: 240-pin DIMM on the Kingston Technology 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel), 204-pin SO-DIMM on the Kingston Technology 4GB DDR3 1066MHz SODIMM. Buffered memory type: Registered (buffered) on the Kingston Technology 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel), Unregistered (unbuffered) on the Kingston Technology 4GB DDR3 1066MHz SODIMM.

Memory layout (modules x size)
- 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel):4 x 1 GB
- 4GB DDR3 1066MHz SODIMM:1 x 4 GB
Memory form factor
- 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel):240-pin DIMM
- 4GB DDR3 1066MHz SODIMM:204-pin SO-DIMM
CAS latency
- 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel):9
- 4GB DDR3 1066MHz SODIMM:7
Memory bus
- 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel):72 bit
- 4GB DDR3 1066MHz SODIMM:64 bit
Buffered memory type
- 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel):Registered (buffered)
- 4GB DDR3 1066MHz SODIMM:Unregistered (unbuffered)
Module configuration
- 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel):512M X 72
- 4GB DDR3 1066MHz SODIMM:512M X 64

Side by side

Differences highlightedShow differences only

Comparison of 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel), 4GB DDR3 1066MHz SODIMM
19 specifications	A Kingston Technology 4GB 1333MHz DDR3 ECC Reg w/Parity CL9 DIMM 2R x4 w/Therm Sen (Intel)View product	B Kingston Technology 4GB DDR3 1066MHz SODIMM View product
Features6 differ
Memory layout (modules x size)Differs	4 x 1 GB	1 x 4 GB
Memory form factorDiffers	240-pin DIMM	204-pin SO-DIMM
CAS latencyDiffers	9	7
Memory busDiffers	72 bit	64 bit
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Module configurationDiffers	512M X 72	512M X 64
ECCKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	Unknown — not stated by the source	577606-001 (HP)
Bus clock rateKnown for one	Unknown — not stated by the source	1066 MHz
Error indicationKnown for one	Unknown — not stated by the source	No
Form factorKnown for one	Unknown — not stated by the source	204-pin SODIMM
Internal memoryKnown for one	Unknown — not stated by the source	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 x 4096 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.

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