8GB Memory Upgrade for Supermicro X9SCM-F Motherboard DDR3 1333MHz PC3-10600 ECC 2Rx8 UDIMM (PARTS-QUICK BRAND) Capacity: 8GB Form Factor: 240 pin DIMM ONLY FOR THE SERVER LISTED DO NOT BUY FOR STANDARD DESKTOPS WHICH USE NON-ECC MEMORY