<b>Stylish Bezel</b><br>5.25" external bay tray in-out structure<br>3.5" external bay and front I/O covered<br>Snap on/off solution for quick installation<br>Multi-color power LED as HDD runs<br><br><b>Flexible Front I/O Option</b><br>Back window with COM2 and key lock support<br>Optional front I/O for USB and IEEE1394 <br><br><b>Good Thermal Solution</b><br>Support up to P5 Prescott 3.6G<br>Optional 2nd fan for upgraded ventilation <br>Excellent cooling system with room for expansion<br>2 new side venting areas dedicated for CPU and AGP in support of enhanced heat dissipation <br><br><b>Solid Mechanical Construction</b><br>Full EMI features prevent radiation emission<br>Friendly design for fast assembly/maintenance<br>C-curve design enhances mechanical strength and eliminates sharp edges <br>Folded edge for safe device installation<br>Space saving This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-079-2082, indicating validated use in U.S. government and defense logistics supply chains.