| Key Features | |
| Form Factor | DDR4 |
| Basic Information | |
| Supported CPU | AMD AM4 Socket for AMD Ryzen™ 5000 Series/4000 G-Series/3000 Series Desktop Processors |
| Chipset | AMD B550 |
| Memory | 4 x DIMM slots Supports up to 128GB DDR4 memory |
| Expansion Slots | |
| PCI | 3rd/2nd/1st Gen AMD Ryzen Processors 1 x PCIe 3.0 x16 (x16 mode) 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics Processors 1 x PCIe 3.0 x16 (x8 mode) AMD Athlon with Radeon Vega Graphics Processors 1 x PCIe 3.0 x16 (x4 mode) AMD B450 chipset 2 x PCIe 2.0 x1 |
| Memory | |
| Slots | 1 x PCIe 4.0 x16 slot 1 x PCIe 3.0 x16 slot (supports x4 mode) 3 x PCIe 3.0 x1 slots |
| Maximum Memory | 128GB DDR4 |
| Graphics | |
| Graphics | 1 x DisplayPort 1 x HDMI™ port |
| General information | |
| DVI | Not available |
| Memory Type | DDR4 |
| Supported Storage | 2 x M.2 slots 6 x SATA 6Gb/s ports |
| Main Features | |
| Audio | Realtek ALC887 7.1-Channel High Definition Audio CODEC Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback Audio Features: Optical S/PDIF out port at back panel LED-illuminated design Audio Shielding Dedicated audio PCB layers Premium Japanese audio capacitors Unique de-pop circuit |
| External Features | |
| Expansion Slots | 1 x PCIe 4.0 x16 slot 1 x PCIe 3.0 x16 slot (supports x4 mode) 3 x PCIe 3.0 x1 slots |
| Connector & Ports | |
| HDMI | 1 x HDMI™ port |
| LAN Port (s) | 1 x Realtek® RTL8111H 1Gb Ethernet port |
| RAID | Supports RAID 0, 1, 10 |
| Internal I/O Ports | 1 x 24-pin EATX Power connector 1 x 8-pin EATX 12V Power connector 1 x CPU Fan connector 1 x CPU OPT Fan connector 3 x Chassis Fan connectors 1 x AIO_PUMP connector 2 x Aura RGB Strip Headers 1 x Addressable Gen 2 header 1 x USB 3.2 Gen 1 connector (supports 2 additional USB 3.2 Gen 1 ports) 2 x USB 2.0 connectors (support 4 additional USB 2.0 ports) 1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 4.0 x4 mode) 1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 3.0 x4 mode) 6 x SATA 6Gb/s connectors 1 x Thunderbolt header 1 x Front panel audio connector (AAFP) 1 x Thermal sensor connector 1 x Clear CMOS jumper 1 x System panel connector 1 x COM port header |
| TPM (Trusted Platform Module ) | 1 x SPI TPM header |
| Physical Specification | |
| USB | Rear USB Ports: 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C®) 4 x USB 3.2 Gen 1 ports (Type-A) 2 x USB 2.0 ports (Type-A) Front USB Ports: 2 x USB 3.2 Gen 1 ports 4 x USB 2.0 ports |
| Warranty Information | |
| Warranty | 03 years |
ASUS Prime series is expertly engineered to unleash the full potential of the 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity. Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads. Two massive VRM heatsinks with underneath thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance. Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling, and flexible transfer options. PCIe 4.0 M.2 Slot supports up to 22110 and provides NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to 64Gbps PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform. Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look. Separates analog/digital signal domains, significantly reducing multi-lateral interference. Ensures minimal crosstalk between audio paths. Premium parts provide an immersive sound signature, with exceptional fidelity.