Learn more about MSI PRO B840M-BModelBrandMSIModelPRO B840M-BPart NumberPRO B840M-BSupported CPUCPU Socket TypeAM5CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 SeriesChipsetsChipsetAMD B840MemoryNumber of Memory Slots2x288pin (DDR5)Memory Standard2 DIMMs, Dual Channel DDR5 – 8000+ MT/s (OC)Channel SupportedDual ChannelExpansion SlotsPCI Express 4.0 x161 x PCI Express 4.0 x16PCI Express x11 x PCIe 3.0 x1 slotStorage DevicesSerial ATA (SATA)4 x SATA 6Gb/sM.22 x M.2 (Support PCIe 4.0 x4)Onboard LANLAN ChipsetRealtek 8125 2.5G LANMax LAN Speed2.5GbpsRear Panel PortsBack I/O Ports1x Clear CMOS Button
1x Flash BIOS Button
1x VGA
1x HDMI
1x 2.5G LAN
4x USB 5Gbps Type-A
2x USB 2.0
3x Audio Connectors.RJ451 x RJ45ShippingEnjoy fast and reliable shipping when you buy your products from Newegg. Our ordering and shipping services are among the best in the industry due to short processing times and a variety of shipping methods. Your orders are packaged at one of the many local warehouses across the country, minimizing delivery times and ensuring you get your purchases as soon as possible.PaymentsNewegg has partnered with PayPal to offer you the very best in payment services. PayPal allows you to buy with confidence, knowing your payments are processed quickly and securely with state-of-the-art encryption technology.ReturnReturns are subject to restocking fees of 15% - 30% of the purchase price and return shipping fees. For products that are eligible for return for replacement, the return shipping labels are free for returns for replacement of the same item within the applicable return policy period. Newegg does NOT charge for restocking fees or return shipping labels for returns of defective products, or if you received the wrong product, the product did not match what was shown on the Site, or we made some other shipping error, provided the item is returned within its return policy period, and in accordance with the Return Policy. For international buyers, items shipped internationally do not qualify for manufacturer warranties.