Overview MSI PRO B840M-B DDR5 AMD AM5 Micro-ATX Motherboard PRO B840M-B is engineered with many exclusive features of MSI, PCIe 4.0 M.2, EZ PCIe Clip II, 2.5G LAN, and Front Type-C, ready for the AMD Ryzen™ 9000 series Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors Supports DDR5 Memory, Dual Channel DDR5 8000+ MT/s (OC) Ultra Performance: Direct 7+2+1 Power System with P-PAK, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper EZ DIY: EZ M.2 Clip II and EZ PCIe Clip II Lightning Fast Game experience: PCIe 4.0 slot and Lightning Gen 4 x4 M.2 2.5G LAN: the remarkable solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience Specification PRO B840M-B Warranty & Returns Return PoliciesReturn for refund within: 14 daysReturn for replacement within: 30 daysThis item is covered by our Standard Return Policy WarrantyThis item has 3 years manufacturer warranty Manufacturer Contact Info:Website: https://ca.msi.com/page/warranty/Support phone: 1-844-887-0188