Manufacturer OEM Part Numbers: 4.0G-PC2-6400E-FB-Apple Module Form Factor: Server and Workstation Connection: 240 pin DIMM Product Type: PC2-6400 Speed Rating: DDR2-800 (800Mhz) Units included in price: one Total Capacity: 4GB MFG Code: 4.0G-PC2-6400E-FB-Apple ALT SKU: CVT SKU: CDC We generally ship one of these brands: