The OCZ 500W ModXStream Pro power supply gives you the power you need for all components while staying quiet and efficient to get you through your work load.  It measures 5.9" x 3.4" x 6.5" and it comes with a three-year parts and labor warranty.

The LG GH24NS50 DVD burner has an SATA interface, a form factor of 5.25" and has a DVD-ROM performance time or 145ms.

$25 rebate