Manufacturer OEM Part Numbers: 512M-PC2-5300E-FB-Apple Module Form Factor: Server and Workstation Connection: 240 pin DIMM Product Type: PC2-5300 Speed Rating: DDR2-667 (667Mhz) Units included in price: one Total Capacity: 512MB MFG Code: 512M-PC2-5300E-FB-Apple SKU: BSF We generally ship one of these brands: