ROG STRIX B550-A GAMING
AMD B550 Ryzen AM4 Gaming ATX motherboard with PCIe® 4.0, teamed power stages, Intel® 2.5Gb Ethernet, dual M.2 with heatsinks, SATA 6 Gbps, USB 3.2 Gen 2 and Aura Sync RGB
- AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Best gaming connectivity: PCIe® 4.0-ready, dual M.2, USB 3.2 Gen 2 Type-C® plus HDMI™ 2.1 and DisplayPort 1.2 output support
- Smooth networking: Intel® 2.5Gb Ethernet with ASUS LANGuard
- Robust power solution: Teamed power stages with ProCool power connector, high-quality alloy chokes, and durable capacitors
- Renowned software: Intuitive dashboards for UEFI BIOS and ASUS AI Networking make it easy to configure gaming builds
- DIY-friendly design: Includes pre-mounted I/O shield, BIOS FlashBack™, Q-LEDs and SafeSlot
- Unmatched personalization: ASUS-exclusive Aura Sync RGB lighting, including Aura RGB header and addressable Gen 2 RGB header
- Industry-leading gaming audio: AI Noise-Canceling Microphone, SupremeFX S1220A codec, DTS® Sound Unbound™, and Sonic Studio III for immersive audio
Overview
PCIe 4.0-Ready
ROG Strix B550-A Gaming features two M.2 slots, one of which supports the latest PCIe 4.0 standard to provide maximum storage flexibility and the fastest data speeds available via the 3rd Gen AMD Ryzen platform. Both M.2 slots support up to the type 22110 socket and NVM Express® RAID for a performance boost.
Next-gen Connectivity
Onboard 2.5Gb Ethernet gives your wired connection a boost, with up to a 2.5X improvement over standard Ethernet connections for faster file transfers, smoother lag-free gaming and high-res video streaming
AI Noise-Canceling Microphone
AI noise-canceling microphone software is exclusively featured on ASUS 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.
Power Delivery Enhancements
Digital power control and an array of power stages ensure ROG Strix B550-A Gaming has the muscle to control the latest AMD CPUs
1. 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.
2. 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 latest Intel processors demand.
3. ALLOY CHOKE & CAPACITOR
Superior chokes and durable capacitors are engineered to resist extreme temperatures and provide up to 110% better performance than the industry standard.
4. 6-LAYER PCB
The 6-layer PCB quickly dissipates heat around the VRM to improve overall system stability and give the CPU more overclocking headroom.
The ProCool socket is built to exacting specifications to ensure flush contact with the PSU power lines, enabling lower impedance and better heat dissipation.
2. 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 latest Intel processors demand.
3. ALLOY CHOKE & CAPACITOR
Superior chokes and durable capacitors are engineered to resist extreme temperatures and provide up to 110% better performance than the industry standard.
4. 6-LAYER PCB
The 6-layer PCB quickly dissipates heat around the VRM to improve overall system stability and give the CPU more overclocking headroom.
Specifications
| CPU | AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors * Refer to www.asus.com for CPU support list |
| Chipset | B550 |
| Memory | AMD RyzenTM 4000 G-Series Processors 4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4800(O.C.)/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 Memory 4 x DIMM, Max. 128GB, DDR4 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 Memory OptiMem II Dual Channel Memory Architecture ECC Memory (ECC mode) support varies by CPU. |
| Graphics | 1 x HDMI 2.1(4K@60HZ) 1 x DisplayPort 1.2 *Graphics specifications may vary between CPU types. Integrated Graphics Processor |
| Multi-GPU Support | Supports AMD 2-Way CrossFireX Technology |
| Expansion Slots | AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors AMD B550 Chipset 1 x PCIe 3.0 x16 (x4 mode) * 3 x PCIe 3.0 x1 1 x PCIe 4.0 x16 (x16 mode) 1 x PCIe 3.0 x16 (x16 mode) |
| Storage | AMD RyzenTM 4000 G-Series Processor : AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors : 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 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) Total supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode) AMD B550 Chipset : Support Raid 0, 1, 10 6 x SATA 6Gb/s port(s), |
| LAN | Intel® I225-V 2.5Gb Ethernet ASUS LANGuard |
| Audio | – Audio Shielding – Premium Japanese audio capacitors – Audio Cover – Optical S/PDIF in port(s) at back panel ROG SupremeFX8-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 quality120dBSNR stereo playback outputand113dBSNR recording input – Supports up to 32-Bit/192kHz playback * Audio Feature : – SupremeFX Shielding™ Technology – Gold-plated jacks * Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio. |
| USB Ports | Front USB Port ( Total 6 ) Rear USB Port ( Total 8 ) 4 x USB 3.2 Gen 1 port(s)(4 x Type-A) 2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®) 2 x USB 3.2 Gen 1 port(s) 2 x USB 2.0 port(s) 4 x USB 2.0 port(s) |
| Software Features | ROG Exclusive Software – RAMCache III – ROG CPU-Z – GameFirst VI – Sonic Studio III + Sonic Studio Virtual Mixer – Sonic Radar III – DTS® Sound Unbound – Overwolf – Anti-virus software ASUS Exclusive Software Features Armoury Crate – Aura Creator – Aura Sync – AI Noise Cancelling Microphone AI Suite 3: – PPSU EPU DIGI+ VRM Fan Xpert 4 TurboV EVO – EZ update WinRAR UEFI BIOS ASUS EZ DIY – ASUS CrashFree BIOS 3 – ASUS EZ Flash 3 – ASUS UEFI BIOS EZ Mode |
| ASUS Special Features | Aura Sync – Standard RGB header(s) – Addressable Gen 2 RGB header(s) ASUS Q-Design – ASUS Q-DIMM – ASUS Q-LED (DRAM [yellow],CPU [red], VGA [white], Boot Device [yellow green) – ASUS Q-Slot ASUS Thermal Solution – Aluminum M.2 heatsink ASUS EZ DIY -BIOS FlashBack™ button -BIOS FlashBack™ LED -Clear CMOS header -ProCool -Pre-mounted I/O shield – SafeSlot |
| Back I/O Ports | 1 x BIOS FlashBack™ Button(s) 2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C®) 1 x Intel® I225-V 2.5Gb Ethernet 4 x USB 3.2 Gen 1 1 x DisplayPort 1 x HDMI 2 x USB 2.0 1 x Optical S/PDIF out 5 x Gold-plated audio jacks |
| Internal I/O Ports | 1 x M.2 Socket 1 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode) 1 x M.2 Socket 2 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) 1 x Thunderbolt header(s) 1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 3 x Chassis Fan connector(s) 1 x AIO_PUMP connector 1 x AAFP connector 2 x Aura RGB Strip Header(s) 1 x Addressable Gen 2 header(s) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s) 6 x SATA 6Gb/s connector(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) 1 x Clear CMOS jumper(s) |
| Accessories | 1 x M.2 SSD screw package(s) 1 x M.2 Rubber Package(s) User´s manual 4 x SATA 6Gb/s cable(s) 1 x Supporting DVD 1 x ROG Strix stickers 1 x Cable ties pack(s) 1 x Extension cable for Addressable LED 1 x ROG Thank you card |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
| Manageability | WOL by PME, PXE |
| Operating System | System Windows® 10 64-bit |
| Form Factor | ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm ) |
| Warranty | 3 Years |
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