The IBM 39M5782 is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: IBM Part Number: 39M5782 Details: IBM 39M5782 1 GB 2 x 512 MB DDR2 SDRAM 667 MHz DDR2-667/PC2-5300 ECC Chipkill 240-pin