Kingston Technology 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2) vs Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4

Key differences

The Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 has 0.75 GB more internal memory than the Kingston Technology 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2) (1 GB vs 0.25 GB). The Kingston Technology 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2) has 0.5 more CAS latency than the Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 (3 vs 2.5). The Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 has 8 bit more memory bus than the Kingston Technology 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2) (72 bit vs 64 bit). Only the Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 has ECC.

• Internal memory
  • 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):0.25 GB
  • Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:1 GB
• ECC
  • 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):No
  • Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:Yes
• CAS latency
  • 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):3
  • Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:2.5
• Memory bus
  • 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):64 bit
  • Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:72 bit
• Check width
  • 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):8 bit
  • Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:4 bit
• Memory voltage
  • 512MB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (Kit of 2):2.6 V
  • Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:2.5 V