This product is either discontinued or we cannot get that from suppliers.
2U rackmount TGC-20350 design, meets EIARS-310C standard 2 x 5.25" drive bay, 6 x 3.5" drive bays Support EEB (12" x 13"), CEB(12" x 10.5"), ATX (12" x 9.6"), Micro ATX (9.6" x 9.6") motherboard - 4 x 80mm ball bearing middle fans wall for better ventil.
TGC Rack Mountable Server Chassis 2U 350mm Depth, 3x Int 3.5′ Bays, 4x Low Profile PCIE Slots, ATX PSU/MB.