Kingston Technology 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen vs Kingston Technology 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor

Key differences

The Kingston Technology 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor has 2 GB more internal memory than the Kingston Technology 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen (6 GB vs 4 GB). The Kingston Technology 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor has 2 more CAS latency than the Kingston Technology 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen (9 vs 7). The Kingston Technology 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen has 256 M X 72 more module configuration than the Kingston Technology 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor (512M X 72 vs 256M X 72). Memory layout (modules x size): 1 x 4 GB on the Kingston Technology 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen, 3 x 2 GB on the Kingston Technology 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor. Buffered memory type: Registered (buffered) on the Kingston Technology 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen, Unregistered (unbuffered) on the Kingston Technology 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor.

• Internal memory
  • 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen:4 GB
  • 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor:6 GB
• Memory layout (modules x size)
  • 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen:1 x 4 GB
  • 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor:3 x 2 GB
• CAS latency
  • 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen:7
  • 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor:9
• Buffered memory type
  • 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen:Registered (buffered)
  • 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor:Unregistered (unbuffered)
• Module configuration
  • 4GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x8 w/Therm Sen:512M X 72
  • 6GB 1333MHz DDR3 ECC CL9 DIMM (Kit of 3) with Thermal Sensor:256M X 72