Acer HotSwap In addition to all the storage and speed capacity you need, HotSwap drives can be removed and inserted without shutting down your system. At up to 15,000 rpms these drives will not slow you down
Acer 146 GB HotSwap Hard Drive, 146 GB, hot-swap, Ultra320 SCSI, 80 pin Centronics (SCA-2), 10000 rpm