320GB NB B/U 7200RPM SATA EXT HD The ABS-Secure is the latest in the CMS Products line of external USB 2.0 encrypted disk solutions, with capacities beginning at 80GB. This product utilizes CMS Products CE Secure Full Disk Encryption software for complete management of your sensitive data. Weighing only seven ounces, the ABS-Secure is bus powered for transportability and is ultra-rugged with the inclusion of the CMS DataGuard shock absorbing wrapper.