ASUS ROG STRIX TRX40-XE GAMING AMD TRX40 ATX motherboard |(ASUS ROG STRIX TRX40-XE GAMING) - Build in AMD Socket sTRX4 for 3rd Gen AMD Ryzen™ Threadripper™ Series Desktop Processors, Memory: 8x Dual Channel DDR4 DIMM Slot, Max. 256GB, DDR4 4666MHz , Expansion Slots: 3 x PCIe 4.0 x16, 1 x PCIe 4.0 x 1 , Storage: 2 x M.2 (PCIE 4.0 x4 mode), 1 x M.2 Socket 3(SATA&PCIe 4.0 x4 mode), 8 x SATA 6Gb/s, Operating System: Windows® 10 64-bit, Form Factor: 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )