ASUS Prime series is expertly engineered to unleash the full potential of 5000 Series. 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.
Tune it your way
Cool to the Core
Cooler by design - VRM heatsink and thermal pads
Build on a solid foundation
Little things make a big difference
Outstanding audio - combined onboard features deliver elevated audio
Audio shielding
Separate layer for left and right tracks
Premium audio capacitors
Tune it your wayComprehensive 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.Cool to the CorePrime 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.Cooler by design - VRM heatsink and thermal padsA VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.Build on a solid foundationPrime 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.Little things make a big differencePrime 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.Outstanding audio - combined onboard features deliver elevated audioIntelligent design and premium hardware create audio quality unlike anything you've ever experienced.Audio shieldingSeparates analog/digital signal domains, significantly reducing multi-lateral interference.Separate layer for left and right tracksEnsures minimal crosstalk between audio paths.Premium audio capacitorsPremium parts provide an immersive sound signature, with exceptional fidelity.
Network InterfacesGigabit Ethernet, 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Expansion / Connectivity
Expansion Slots1 x CPU ¦ 4 x DIMM 288-pin ¦ 1 x PCIe 4.0 x16 (PCIe 4.0 x16 mode (Ryzen 5000 Series/ 3000 Series CPUs); PCIe 3.0 x16 mode (Ryzen 5000 G-Series / 4000 G-Series CPUs)) ¦ 2 x PCIe 3.0 x1
Storage InterfacesSATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 ¦ SATA-600 / PCIe 4.0 -connectors: 1 x M.2 ¦ SATA-600 / PCIe 3.0 -connectors: 1 x M.2
Interfaces1 x VGA ¦ 1 x DVI-D ¦ 1 x LAN (Gigabit Ethernet) ¦ 4 x USB 3.2 Gen 1 ¦ 2 x USB 3.2 Gen 2 ¦ 1 x audio line-in - mini-jack ¦ 1 x audio line-out - mini-jack ¦ 1 x microphone - mini-jack ¦ 1 x PS/2 keyboard / mouse ¦ 1 x HDMI
Internal Interfaces4 x USB 2.0 - header ¦ 2 x USB 3.2 Gen 1 - header ¦ 1 x SPDIF out - header ¦ 1 x audio - header ¦ 1 x serial - header ¦ 1 x speaker - header
Power Connectors24-pin main power connector, 8-pin ATX12V connector
Features
BIOS TypeAMI
BIOS FeaturesUEFI BIOS, ASUS EZ Flash 3
Sleep / Wake UpWake on LAN (WOL), wake on PME
Hardware FeaturesPreboot eXecution Environment (PXE), LANGuard, jack retasking, audio jack detect technology, ASUS 5X Protection III, ASUS DIGI+ VRM, ASUS Overvoltage Protection, ASUS SafeSlot Core, ASUS Stainless Steel Back I/O, ASUS Q-Design, Q-DIMM, Q-Slot, ASUS Aura Sync, Armoury Crate, ASUS TurboV EVO, ASUS EPU (Energy Processing Unit), ASUS Fan Xpert 2+, ASUS EZ DIY, CrashFree BIOS 3
Miscellaneous
Included AccessoriesASUS Wi-Fi moving aerial, 1 x M.2 screw, I/O back cover
Cables Included2 x Serial ATA cable
Software IncludedDrivers & Utilities, ASUS AURA Creator, ASUS AI Suite III, ASUS CPU-Z, ASUS AI Charger, DAEMON Tools, WinRAR, Norton AntiVirus (Trial), ASUS EZ Flash 3