PRIME B550M-A/CSM AM4 4DDR4 HDMI M.2 mATX

Description: AMD B550 (Ryzen AM4) motherboard in micro ATX format with two M.2 slots, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gb/s, USB 3.2 Gen 2 Type-A and header support Aura Sync RGB AMD AM4 Socket: Ready for Ryzen 5000/4000 G-Series/3000 Desktop Processors Comprehensive cooling: VRM heatsink, PCH heatsink and Fan Xpert 2+ Ultrafast connectivity: dual M.2, PCIe 4.0, 1Gb Ethernet, USB 3.2 Gen 2 Type-A Aura Sync RGB: Built-in addressable Gen 2 header for RGB LED strips, easily syncs with Aura Sync-enabled hardware | Model: Prime B550 | CPU socket: Socket AM4 | Processor family: AMD Ryzen | Integrated CPU: No | Chipset manufacturer: AMD | Chipset type: AMD B550 | Memory type : DDR4 | Number of DDR4 slots: 4 | Memory bus frequency: 4133 MHz | Memory bus frequency: 4266 MHz | Memory bus frequency: 4333 MHz | Memory bus frequency: 4400 MHz | Memory bus frequency: 4600 MHz | Memory bus frequency: 4000 MHz | Memory bus frequency: 3866 MHz | Memory bus frequency: 3733 MHz | Memory bus frequency: 3466 MHz | Memory bus frequency: 3600 MHz | Memory bus frequency: 3333 MHz | Memory bus frequency: 3200 MHz | Memory bus frequency: 3000 MHz | Memory bus frequency: 2933 MHz | Memory bus frequency: 2800 MHz | Memory bus frequency: 2666 MHz | Memory bus frequency: 4800 MHz | Memory bus frequency: 2400 MHz | Memory bus frequency: 4866 MHz | Memory bus frequency: 2133 MHz | Max memory size : 128 | Expansion slots: 2 x PCIe 3.0 x 1 | Expansion slots: 1 x PCIe 4.0 x 16 | Expansion slots: 1 x PCIe 3.0 x 16 | Max. number of SATA devices : 4 | Max. number of ATA devices : 0 | RAID: Yes | Detailed data on disk/drive interfaces: In total, it supports 2 M.2 slots and 4 SATA 6 Gb/s ports AMD Ryzen 5000/3000 series desktop processors: 1 x M.2_1 slot 3, M-key, type 2242/2260/2280/22110 (PCIE 4.0 x4 and SATA modes) support for storage devices AMD Ryzen 5000 G-Series/ 4000 G-Series Processors: 1 x M.2_1 slot 3, M-key, type 2242/2260/2280/22110 (PCIE 3.0 x4 and SATA modes) support for storage devices AMD B550 Chipset: 1 x M.2_2 slot 3, M-key, type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) support for storage devices 4 SATA 6 Gb/s ports Support for Raids 0, 1, 10 | Graphics: 1 x D-Sub 1 x DVI-D 1 x HDMI 2.1(4K@60HZ) | Sound card: Realtek ALC887/897 7.1 surround High Definition audio codec Supports: jack detection, multi-streaming, front panel jack reassignment, up to 24-bit/192kHz playback Sound function: LED backlit design Audio shielding Dedicated audio PCB layers High-quality audio capacitors | Network interface: Realtek RTL8111H 1Gb Ethernet | USB ports at back panel: 6 | USB ports on motherboard: 6 | Number of USB 3.0/USB 3.1 gen 1/USB 3.2 gen 1 ports: 6 | Number of USB 3.1/USB 3.1 gen 2/USB 3.2 gen 2 ports: 2 | FireWire (IEEE 1394): No | COM connector / port: Yes | LPT connector / port: No | External connectors: 1 x D-Sub | External connectors: 4 x USB 3.0 | External connectors: 1 x RJ-45 | External connectors: 1 x MIC | External connectors: 1 x Line Out | External connectors: 1 x DVI-D | External connectors: 1 x HDMI | External connectors: 1 x Line In | External connectors: 1 x PS/2 Keyboard/MouseCombo | External connectors: 2 x USB 3.1 | Onboard connectors: 1 x S/PDIF Out header | Onboard connectors: 1 x Clear CMOS jumper | Onboard connectors: 1 x 4pin CPU fan | Onboard connectors: 1 x 4pin wentylator OPT CPU | Onboard connectors: 1 x 8pin 12V power | Onboard connectors: 1 x 24pin ATX zasilanie | Onboard connectors: 2 x M.2 | Onboard connectors: 4 x SATA III 6Gb/s | Onboard connectors: 2 x USB 2.0/1.1 header | Onboard connectors: 1 x USB 3.0 header | Onboard connectors: 1 x TPM header | Onboard connectors: 1 x System panel header | Onboard connectors: 1 x Front panel audio header | Special functions: Asus 5X Protection III Asus DIGI+ VRM Asus LANGuard Asus surge protection Asus SafeSlot core Asus stainless steel rear I/O Asus Q-Design Asus Q-DIMM Asus Q-Slot Asus thermal solution Aluminum heat sink construction Aura Sync Standard RGB headers Addressable RGB Gen 2 header Asus lighting control | BIOS: 256 Mb Flash ROM, UEFI AMI BIOS | Form factor: micro ATX | Dimensions: 24.4 x 24.4 cm | Accessories included: 1 x ACC Express Activation Key Card I/O cover 2 SATA 6 Gb/s cables 1 x DVD User manual 1 x M.2 SSD Screw Pack | Supported operating systems: Windows 10