LENOVO LENOVO ThinkSystem Internal Ultra-Slim USB DVD-RW for ST50

'The use of the slim optical drive requires the LENOVO ThinkSystem ST50 5.25'' to 3.5'' HDD Kit w/ Slim ODD Bay (SVL-4M17A12096).
The drive is connected by a USB cable which is included in the drive option part number. A separate power cable is not needed.'