Learn more about MSI B450 GAMING PLUS MAXModelBrandMSIModelB450 GAMING PLUS MAXSupported CPUCPU Socket TypeAM4CPU TypeSupports 1st / 2nd / 3rd Gen AMD Ryzen ProcessorsSupports 2nd Gen AMD Ryzen with Radeon Graphics ProcessorsSupports Ryzen with Radeon Vega Graphics ProcessorsSupports Athlon with Radeon Vega Graphics Desktop ProcessorsChipsetsChipsetAMD B450MemoryNumber of Memory Slots4x288pin (DDR4)Memory StandardDDR4 4133 / 4000 / 3866 / 3733 / 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 (For AMD Ryzen Gen3 (R5/R7/R9), by A-XMP OC MODE) DDR4 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 (For AMD Other CPU, by A-XMP OC MODE)DDR4 2667 / 2400 / 2133 / 1866 (by JEDEC)Maximum Memory Supported128GBChannel SupportedDual ChannelECC SupportedNon-ECCBuffer SupportedUn-bufferedExpansion SlotsPCI Express 3.0 x161 x PCI Express 3.0 x16** Actual support may vary by CPU.PCI Express 2.0 x161 x PCI Express 2.0 x16** PCI_E4, supports x4 mode.* PCI_E4 will run x1 speed when installing devices in PCI_E2/ PCI_E3/ PCI_E5 slot.PCI Express x14 x PCIe 2.0 x1Storage DevicesSATA 6Gb/s6 x SATA 6Gb/s** SATA5 and SATA6 ports will be unavailable when installing a M.2 device in M.2 slot.M.21 x M.2 slot (Key M):- Supports PCIe 3.0 x4 (1st, 2nd and 3rd Gen AMD Ryzen, Ryzen with Radeon Vega Graphics and 2nd Gen AMD Ryzen with Radeon Graphics) or PCIe 3.0 x2 (Athlon with Radeon Vega Graphics) and SATA 6Gb/s 2242/2260/2280/22110 storage devicesSATA RAID0/1/10Onboard VideoOnboard Video ChipsetSupported only by CPU with integrated graphicOnboard AudioAudio ChipsetRealtek ALC892/ALC897Audio Channels7.1 ChannelsOnboard LANLAN ChipsetRealtek 8111HMax LAN Speed1GbpsRear Panel PortsBack I/O Ports1 x DVI-D1 x HDMI1 x LAN (RJ45)1 x PS/2 Keyboard/Mouse Combo2 x USB 2.0/1.12 x USB 3.2 Gen 12 x USB 3.2 Gen 26 x Audio JacksFlash BIOS ButtonInternal I/O ConnectorsOnboard USB2 x USB 2.0 connectors (support additional 4 USB 2.0 ports)1 x USB 3.2 Gen1 connectors (support additional 2 USB 3.2 Gen1 ports)Other Connectors1 x 4-pin CPU fan connector1 x 4-pin water-pump-fan connector4 x 4-pin system fan connectors1 x TPM module connector1 x Front panel audio connector2 x System panel connectors1 x Serial port connector1 x Parallel port connector1 x Chassis Intrusion connector1 x Clear CMOS jumper2 x 5050 RGB LED strip 12V connectorsPhysical SpecForm FactorATXLED LightingRGBDimensions (W x L)12.0" x 9.6"Power Pin1 x 24-pin ATX main power connector1 x 8-pin ATX 12V power connectorWindows 11 CompatibilityWindows 11SupportedFeaturesFeaturesSupports 1st, 2nd and 3rd Gen AMD Ryzen / Ryzen with Radeon Vega Graphics and 2nd Gen AMD Ryzen with Radeon Graphics / Athlon with Radeon Vega Graphics Desktop Processors for Socket AM4Supports DDR4 Memory, up to 4133(OC) MHzLightning Fast Game experience: TURBO M.2, AMD Turbo USB 3.2 GEN2, StoreMI TechnologyCore Boost: With premium layout and fully digital power design to support more cores and provide better performanceDDR4 Boost: Advanced technology to deliver pure data signals for the best gaming performance and stability Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experienceFlash BIOS Button: Simply use a USB key to flash any BIOS within seconds, without installing a CPU, memory or graphics cardShippingEnjoy 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.