The Hynix HYMP564E72BP8G-C4 is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Hynix Part Number: HYMP564E72BP8G-C4 Details: Hynix HYMP564E72BP8G-C4 512Mb 1Rx8 Pc2-4200R Memory (1X512Mb)