Edge 4GB (2 X 2GB) PC2-5300 ECC Fully Buffered DIMM KIT memory module 2 x 2 GB DDR2 667 MHz

All RAM modules from EDGE are backed by a Lifetime Warranty and each is individually tested to ensure highest product quality and reliability.
If your memory module ever fails to work perfectly due to defects in materials or workmanship, EDGE will repair or replace it at no charge.