2GB KIT (2 x 1GB) For HP-Compaq ProLiant Series DL320 G5 DL320s ML110 G4 ML115 ML310 G4 XW4300. DIMM DDR2 ECC Unbuffered PC2-5300 667MHz Dual Rank RAM Memory. Genuine A-Tech Brand. 2GB KIT (2 x 1GB) DIMM DDR2 ECC Unbuffered PC2-5300 667MHz Dual Rank RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For HP-Compaq ProLiant Series. (See Compatibility List Below)