AMD B550 Ryzen AM4 ATX Gaming motherboard with PCIe 4.0, 16 power stages, Intel 2.5 Gb Ethernet, WiFi 6 (802.11ax), two onboard M.2 slots and four additional M.2 slots on the bundled ASUS Hyper M.2 x16 Gen 4 Card, SATA 6 Gbps, USB 3.2 Gen 2, and Aura Sync RGB lighting.The AMD B550 Ryzen AM4 ATX Gaming at a GlanceAM4 socket: Ready for Ryzen 5000 Series/ 4000 G-Series/ 3000 Series Desktop ProcessorsBest gaming connectivity: PCIe 4.0-ready, two onboard M.2 slots and four additional M.2 slots on the bundled ASUS Hyper M.2 x16 Gen 4 Card, USB 3.2 Gen 2 Type-C plus HDMI 2.1 and DisplayPort 1.2 outputRobust power solution: 14+2 power stages with ProCool power connector, high-quality alloy chokes and durable capacitorsComprehensive cooling: Actively cooled VRM heatsinks with L-shaped heatpipe and integrated aluminium I/O cover, plus dedicated M.2 heatsinksSuperfast networking: Onboard WiFi 6 (802.11ax) and Intel 2.5 Gb Ethernet with ASUS LANGuardIntuitive software: Easy-to-use UEFI BIOS and ASUS AI Networking make it easy to configure gaming buildsDIY-friendly design: Includes pre-mounted I/O shield, BIOS FlashBack, Q-Code and FlexKeyUnmatched personalization: ASUS-exclusive Aura Sync RGB lighting, including Aura RGB headers and addressable Gen 2 RGB headersIndustry-leading Gaming Audio: Audio USB Type-C, AI Noise-Canceling Microphone, SupremeFX S1220A codec, DTS Sound Unbound and Sonic Studio III for immersive audioSpecification:CPU- Supports AMD AM4 Socket Ryzen 3000 and 5000 Series Desktop Processors*Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G.ChipsetAMD B550Memory4 x DIMM, Max. 128GBDDR4 4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered MemoryOnboard Graphics Outputs1 x DisplayPort 1.21 x HDMI 2.1(4K@60HZ) *Graphics specifications may vary between CPU types.PCI Slots1 x PCIe 3.0 x16 (x4 mode) 2 x PCIe 3.0 x12 x PCIe 4.0 x16 (x16 or dual x8) 2 x PCIe 3.0 x16 (x16 or dual x8)Storage1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 4.0 x4 mode)1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 6 x SATA 6Gb/s port(s) Support Raid 0, 1, 10NetworkingIntel I225-V 2.5Gb EthernetIntel Wi-Fi 6 AX200Supports dual band frequency 2.4/5 GHzSupports channel bandwidth: HT20/HT40/HT80/HT160Bluetooth v5.1AudioROG SupremeFX 8-Channel High Definition Audio CODEC S1220A- Dual OP Amplifiers- Impedance sense for front and rear headphone outputs- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input- Supports up to 32-Bit/192kHz playbackConnectivityRear USB Port3 x USB 3.2 Gen 2 (2 x Type-A+1 x USB Type-C)1 x USB 2.0 port(s) (1 x audio USB Type-C ) 4 x USB 2.0 port(s) (4 x Type-A)Front USB Port2 x USB 3.2 Gen 1 port(s) 4 x USB 2.0 port(s) 1 x USB 3.2 Gen 2 front panel connector port(s)Internal Ports1 x Thunderbolt header(s) 1 x Q-Code1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 3 x Chassis Fan connector(s) 1 x AIO_PUMP connector1 x AAFP connector2 x Aura RGB Strip Header(s) 2 x Addressable Gen 2 header(s) 1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s) 1 x 4-pin ATX 12V Power connector(s) 1 x System panel(s) 1 x Thermal sensor connector(s)