ASUS ROG STRIX B550-A GAMING / Motherboard / ATX / Socket AM4 / AMD B550 / USB-C Gen2, USB 3.2 Gen 1, USB 3.2 Gen 2 / 2.5 Gigabit LAN / onboard graphics (CPU required) / HD Audio (8-channel) | 90MB15J0-M0EAY0

ASUS ROG STRIX B550-A GAMING / Motherboard / ATX / Socket AM4 / AMD B550 / USB-C Gen2, USB 3.2 Gen 1, USB 3.2 Gen 2 / 2.5 Gigabit LAN / onboard graphics (CPU required) / HD Audio (8-channel) | 90MB15J0-M0EAY0
Description
Designed for those seeking to get the most out of their build, ROG Strix B550 Gaming series motherboards offer a feature-set usually found in the higher-end Gaming series. ROG Strix B550-A Gaming is well-equipped, offering robust power delivery and effective cooling. As an added bonus, outstanding performance is complemented by a stunning finish and cyberpunk-inspired aesthetics that present a standout look.
ASUS ROG STRIX B550-A GAMING / Motherboard | 90MB15J0-M0EAY0
Special Features
- SupremeFX
- AI noise-canceling microphone
- Sonic Studio III
- Power design
- Procool power connector
- DIGI+ power control
- Teamed power stages
- Alloy choke and capacitor
Product features
- SupremeFX
Built-in ROG SupremeFX audio technology ensures pristine audio for ROG Strix B550-A Gaming. Along with ensuring a flat frequency response for a neutral, detailed sound signature, it offers two front-panel outputs driven by op-amps that deliver high-quality audio to gaming headsets. - AI noise-canceling microphone
AI noise-canceling microphone software is exclusively featured on ROG Strix motherboards and supports 3.5 mm, USB, or Bluetooth headsets. The utility leverages a massive deep-learning database to preserve the sound of your voice while eliminating distracting keyboard clatter, mouse clicks, and other forms of environmental noise. And it only places a slight load on the CPU, ensuring minimal impact on gaming performance. - Sonic Studio III
Sonic Studio supports HRTF-based virtual surround for VR headsets, casting an immersive aural landscape that draws you deeper into the action. The intuitive Sonic Studio interface also offers a range of EQ options and one-click presets, allowing you to tailor acoustics to suit personal preferences or the characteristics of your headset. - Power design
Digital power control and an array of power stages ensure ROG Strix B550-A Gaming has the muscle to control the latest CPUs. - Procool power connector
The ProCool socket is built to exacting specifications to ensure flush contact with the PSU power lines, enabling lower impedance and better heat dissipation. - DIGI+ power control
ASUS DIGI+ power control is a set of controllers for digital VRM and DRAM voltage. These controllers offer ultra-precise memory and voltage tuning for optimal system efficiency, stability, and performance. - Teamed power stages
12+2 power stages combine high-side and low-side MOSFETs and drivers into a single package, delivering the power and efficiency that the CPUs demand. - Alloy choke and capacitor
Superior chokes and durable capacitors are engineered to resist extreme temperatures and provide up to 110% better performance than the industry standard.
Product Specification
Product Type | Motherboard - ATX |
Chipset Type | AMD B550 |
Processor Socket | Socket AM4 |
Max Processors Qty | 1 |
Compatible Processors | Ryzen (supports 3rd Generation Ryzen) |
Max Size | 128 GB |
Technology | DDR4 |
Bus Clock | 2400 MHz, 2133 MHz, 2800 MHz, 3000 MHz, 2666 MHz, 3466 MHz (O.C.), 3600 MHz (O.C.), 3866 MHz (O.C.), 4000 MHz (O.C.), 4133 MHz (O.C.), 4400 MHz (O.C.), 4600 MHz (O.C.), 3200 MHz |
Supported RAM Integrity Check | Non-ECC, ECC |
Registered or Buffered | Unbuffered |
Features | Dual channel memory architecture |
Type | HD Audio (8-channel) |
Audio Codec | SupremeFX (S1220A) |
Compliant Standards | High Definition Audio, DTS Sound Unbound |
Network Controller | Intel I255-V |
Network Interfaces | 2.5 Gigabit Ethernet |
Expansion Slots | 1 x CPU ¦ 4 x DIMM 288-pin ¦ 1 x PCIe 4.0 x16 (PCIe 4.0 x16 mode (Ryzen series CPUs Matisse); PCIe 3.0 x16 mode (Ryzen series APUs)) ¦ 1 x PCIe 3.0 x16 (x4 mode) ¦ 3 x PCIe 3.0 x1 |
Storage Interfaces | SATA-600 -connectors: 6 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 |
Interfaces | 1 x LAN (2.5Gigabit Ethernet) ¦ 4 x USB 3.2 Gen 1 ¦ 1 x audio line-in - mini-jack ¦ 1 x audio line-out - mini-jack ¦ 1 x microphone - mini-jack ¦ 1 x USB-C Gen2 ¦ 1 x USB 3.2 Gen 2 ¦ 1 x TOSLINK ¦ 1 x audio line-out (center/subwoofer) - mini-jack ¦ 1 x audio line-out (rear) - mini-jack ¦ 2 x USB 2.0 ¦ 1 x DisplayPort ¦ 1 x HDMI |
Internal Interfaces | 4 x USB 2.0 - header ¦ 2 x USB 3.2 Gen 1 - header ¦ 1 x Thunderbolt - header ¦ 1 x audio - header |
Power Connectors | 4-pin ATX12V connector, 24-pin main power connector, 8-pin ATX12V connector |
BIOS Type | AMI |
BIOS Features | BIOS FlashBack, UEFI BIOS |
Sleep / Wake Up | Wake on LAN (WOL), wake on PME |
Hardware Features | Jack retasking, ASUS Q-Design, 12+2 Phase Power Design, Q-DIMM, ASUS EZ DIY, Q-LED, Q-Slot, CrashFree BIOS 3, audio jack detect technology, ASUS EPU (Energy Processing Unit), ASUS DIGI+ VRM, SupremeFX Shielding technology, AMD CrossFireX technology support, Preboot eXecution Environment (PXE), LANGuard, ASUS Fan Xpert 4, ASUS SafeSlot, Sonic Radar III, Sonic Studio III, ASUS ProCool, pre-mounted I/O shield, ASUS Aura Sync, ASUS OptiMem II, Armoury Crate, GameFirst VI |
Included Accessories | Cable ties, 1 x M.2 screw, ROG fan stickers, ROG thank you card, RGB Addressable LED extension cable, rubber pad |
Cables Included | 4 x Serial ATA cable |
Software Included | Drivers & Utilities, ROG CPU-Z, ASUS AI Suite III, ASUS EZ Update, Overwolf, ASUS EZ Flash 3, Antivirus, WinRAR, ASUS ROG RAMCache III, Sonic Studio Virtual Mixer, ROG GameFirst VI |
Compliant Standards | DisplayPort 1.2 |
Width | 30.5 cm |
Depth | 24.4 cm |