2GB KIT (2 x 1GB) for Abit S Series SG-72 SG-80 SG-80DC SG-81 SI-1Ns40 SI-1Ns42 SR7-8X SV-1A (Non-ECC) SX7-533. DIMM DDR Non-ECC PC3200 400MHz RAM Memory. Genuine A-Tech Brand.