Kingston Technology 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8 vs Kingston Technology 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM

Key differences

• Memory form factor
  • 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:184-pin DIMM
  • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:200-pin SO-DIMM
• ECC
  • 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:Yes
  • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:No
• CAS latency
  • 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:2.5
  • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:3
• Memory bus
  • 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:72 bit
  • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:64 bit
• Buffered memory type
  • 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:Registered (buffered)
  • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:Unregistered (unbuffered)
• Memory voltage
  • 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:2.5 V
  • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:2.6 V
• Width
  • 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:133 mm
  • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:67 mm
• Depth
  • 1GB 266MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8:1.2 mm
  • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:3 mm