18.4 GB, 10000RPM, 3.5' Internal Hard Drive 18.4 GB, 10000RPM, 3.5' Internal Hard Drive 18.4 GB, 10000RPM, 3.5' Internal Hard Drive 18.4 GB, 10000RPM, 3.5' Internal Hard Drive 18.4 GB, 10000RPM, 3.5' Internal Hard Drive