The Kingston KTM5780/4G is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Kingston Part Number: KTM5780/4G Details: Kingston KTM5780/4G 4Gb (2X2Gb) Pc2-5300 667Mhz Ddr2 Ecc Reg (Jr)