Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4 vs Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4

Key differences

The Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4 has 2 GB more internal memory than the Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4 (4 GB vs 2 GB). The Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4 has 1 x 2 GB more memory layout (modules x size) than the Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4 (2 x 2 GB vs 1 x 2 GB). Only the Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4 has ECC.

• Internal memory
  • 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4:2 GB
  • 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4:4 GB
• Memory layout (modules x size)
  • 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4:1 x 2 GB
  • 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4:2 x 2 GB
• ECC
  • 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Single Rank, x4:No
  • 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4:Yes