VD4000SWA All aluminum front door Full tower case with building liquid cooling system Utilize thermal concept of automobile and place radiator in front of computer chassis Offers more extra space within case while radiator in the front door Minimize installation time with partial pre-assembled liquid cooling components ATX/BTX compatible (BTX upgrade kit is optional) Kandalf LCS supports any future graphic card liquid cooling upgrade, even nVIDIA SLI and ATi Crossfire. Aqua Brazing All Copper series – W2 P/N: CL-W0038 Aqua Brazing All Copper series – W2 P/N: CL-W0088 Aggressive front door design Mysterious light in the dark High expandability up to nine 5.25” drive bay 5.25” to 3.5” adaptor Free-flowing design Removable dust filter Removable Power & Reset Switches Dual USB2.0, IEEE1394, Audio & Speaker ports (support Intel HD Audio connector) Pre-drilled tube fittings for future upgrades Bushing to protect water tubes from scrape Screw-less kit for 5.25” drive bays Screw-less for PCI devices Removable HDD cage Fan brackets for easy remove and install Accessory box for any small items Thumbscrews for easy removal Retractable foot stand Side panel lock for security Anti-EMI PSU support for stability Spared space to route cables, improve airflow and eliminate clutter According to the temp with 25 o C outside the chassis, in contrast with 35 o C inside, the radiator is designed at front of door instead of inside to have a great improvement in cooling performance. Space Saving It offers much more space compared to the radiator inside the case. Thermal Flow Most people will concern the heat will stay inside the case because of the front intake fans. It will not be a problem because the heat will be taken out from the gap between the front door and the front bezel.   (optional,P/N:A9358)