The Buffalo MO-PL640U2/S magneto-optical (MO) drive is very compact in size and is powered by high speed USB2.0.The bundled encoding software Secure LOCK Ware encodes the media with AES128bit system. This ensures maximum security for your media and even if your media is lost no one can access the disc contents. The drive has a maximum 640MB capacity per disk. The Buffalo MO drive with 4,320rpm comes with 2MB buffer memory.

The Buffalo MO-PL640U2/S MO drive measures 120 x 110 x 28mm, weighs 330g and is available in Japan for approximately 16,800 Yen ($).