The Hynix HYMP351E72AMP4J-C4 is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Hynix Part Number: HYMP351E72AMP4J-C4 Details: Hynix HYMP351E72AMP4J-C4 Hynix 4Gb 2Rx4 Pc2-4200R-444-12 Dual 512M X 72 Memory Ecc Reg