RM2 launched in the middle of 2015 with the theme of supporting ATX motherboard. RM2 is made from full magnesium-aluminium material, giving it a streamlined and metallic style. Different from previous U series\' R angular design, RM2 adopt an innovative 360 degree round packaged type design, it perfectly supports not only dual-slots display cards (up to 290 mm) but also cross-fire display cards. It really provides user with a powerful mini platform.Concerning the materials and workmanship, the entire outer shell of RM2 is made from l.8 mm magnesium-aluminium alloy. With Jonsbo team\'s years of e experience, the RM2 offers dual high-speed USB 3.0 interfaces, gold stamped feet, metal CD texture buttons, all in a unibody U type frame with integrated nail buried process. Similarly there is no screws appearing on top, in front and on sides.With RM2, users will have a good opportunity to upgrade and expand their machine. Limited by high cost of raw materials, the prices of traditional full aluminum ATX cases are very expensive. Because of their small sizes they usually do not support traditional ATX motherboards, there are many restrictions for users to expand and upgraded their systems. In addition enthusiasts can have more choices of motherboards and display cards.Model:RM2Color:SilverDimension:209mm(W)302mm(D)341mm(H) (8mm feet not included)Material:Main Structure/Side Plates: 1.8mm Aluminum; Others: 1.5mm AluminumMotherboard:ITX/MATX /ATX (Within 305mm245mm)Drive Bay:2.5SSD3+3.5HDD1Cooling Systerm:Front: 1120mm fanCPU Cooler:Not higher than 95mmDisplay Card:Not longer than 290mmFront l/O Port :USB 3.02/AUDIO1 /MIC1Expansion Slot:6Power Supply:Standard ATX PS2Weight:Net2.6kg /Gross3.6kg