450A(Aluminum) 3"Aluminum w/DVD Bay, 2.5" Bay, COM/LPT/WiFi/TV, For Home Theater PCs. DC12V-in, Small & Quiet. 400B 2.6" Small Aluminum Case more room for taller CPU fan, up to 2 HD Bay, all I/O ports. DC12V-in, VESA mount. 400S 2.6" Small Aluminum Case, 3.5" Open Drive Bay or, Two 2.5" Swap HD Bay, DC12V-in, VESA mount. 500A,  500AC 500A: Same as 50A in Aluminum 500AC: Same as 50AC in Aluminum 500R Same as 500A but w/o DVD Bay, 6 x 2.5" or 2 x 3.5" HD Bay, LP or full Height RISER Slot. DC-in, VESA mountable. 500C 500B+LCD Control button, 6 x 2.5" or 2 x 3.5" Bay, LP or full Height RISER. DC-in, VESA mountable. 500PS 500PS: Chassis w/AC Power Supply. 500D(ION2),   500DC 500D: Same as 50D in Aluminum, Atom™ D525, NVIDIA® ION™ 500DC: Same 50DC in Aluminum. 500F 500F: Chassis w/Front air filter 550C 3.8", Little higher than 500C, but can hold more HD Bay, support taller Low Profile card. upto 8x2.5" or 3x3.5" HDs. 600AR 4.1", Aluminum w/DVD Bay, Also support RISER under DVD, or support 2 RISER w/o DVD. or 4" add-on card w/o RISER. 700D2 5.9" Aluminum Chassis 3x3.5" Swap HD Bay HDMI/ DVI/ VGA gLAN, DC-in, VESA mount 3000 Intel® Core™ i7/i5/i3 1155pin HDMI/DVI/VGA, Gigabit LAN, w/RISER DC P/S 1U-1000T Mini short 1U Dual Server 2 independent systems Sandy Bridge, Xeon or Core i7,i5,i3 (1155pin) Space Saving, DC Power MiniStor 860N10 10 x hot swap RAID-5/6 NAS/iSCSI, Small & quiet, High Performance storage, Small and Power Saving Affordable Price 5015 / 2U Intel® i7™/i5™/i3™ Intel H61, Gigabit LAN, 4G RAM (Max. 8G) 1 PCI-Express x16,1 Mini-PCIe, HDMI+DVI-D, 4 x SATA II 3.0Gb/s Connectors 1U-1000U Mini short 1U Server 2nd Gen, Xeon or Core i7,i5,i3 (1155pin) Space Saving, DC Power 1U-1000D Mini 1U Case with 5.25" Optical Bay