VI90001N2Z Fit two 14cm fans on side panel   Independent Adjustable fan bar     8 PCI slots for multiple graphic cards Independent Adjustable Fan bar Advance cable routing capability HDD Relocation canister Tool free design on PCI slot, 5.25" and 3.5" bay Installed up to 9 fans to enhance maximum airflow Bottom PSU placement design Engineered for Superior air circulation     7 x 5.25" and 6 x 3.5" device     Hot-swappable HDD tray Tool less 5.25" bay Removable HDD Canister Tool less PCI slot     Adjustable fan bar     Adjustable fan bar Enhance CPU / VGA airflow (Fan is optional)     Vertical adjustment (Fan is optional)             Adjustable fan bar     Fit two 14cm fans on side panel Horizontal adjustment (Fan is optional)     (Fan is optional)       Cable Box AC0001   Exsy Swap Connector AC0002   Toughpower XT 850 Spedo Edition W0315RU