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Product Overview
ASUS ROG STRIX B550-A GAMING ATX Motherboard For AMD Ryzen 3rd Gen – AM4, B550, 4xDDR4x PCIe 4.0, 2xM.2, HDMI, DisplayPort, 2.5GbE LAN (90MB15J0-M0UAY0)
ASUS ROG STRIX B550-A GAMING ATX Motherboard For AMD Ryzen 3rd Gen – AM4, B550, 4xDDR4x PCIe 4.0, 2xM.2, HDMI, DisplayPort, 2.5GbE LAN (90MB15J0-M0UAY0).
ASUS ROG STRIX B550-A GAMING ATX Motherboard Description
ROG STRIX B550-A Gaming
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 ROG Strix X570 Gaming series, including the latest PCIe® 4.0 connectivity. Offering robust power delivery and effective cooling, ROG Strix B550-A Gaming is well-equipped to handle 3rd Gen AMD Ryzen™ CPUs. As an added bonus, outstanding performance is complemented by a stunning silver-and-white finish and cyberpunk-inspired aesthetics that present a standout look.
Advance Your Gaming Immersion
ROG Strix B550-A Gaming is PCIe® 4.0-ready and provides the latest connectivity options for supersmooth networking and blisteringly fast file transfers. Audio enhancements give you a massive advantage, allowing you to pick up on the subtlest of cues for a completely immersive gaming experience.
- 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. - Intel 2.5 Gb Ethernet
Onboard 2.5 Gb Ethernet gives your wired connection a boost, with speeds that are 2.5 times faster than standard Ethernet connections for speedy file transfers, lag-free gaming, and high-res video streaming. - 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.
All-round Performance
ROG Strix B550-A Gaming provides robust power delivery to fuel Ryzen’s cores, comprehensive cooling, and support for faster memory — so it has everything you need to load up your build with high-performance components for playing in the big leagues.
- POWER DESIGN
Digital power control and an array of power stages ensure ROG Strix B550-A Gaming has the muscle to control the latest AMD CPUs. - Cooler by Design
ROG Strix B550 series features the most comprehensive cooling options ever, configurable via Fan Xpert 4 or the UEFI BIOS. - ASUS OptiMem II
To provide AMD’s latest CPUs unfettered access to memory bandwidth, motherboard trace routing has been reimagined with the ROG Strix B550-A Gaming. Integrated OptiMem II technology carefully maps memory signal pathways across PCB layers to reduce vias, and it also adds shielding zones that significantly reduce crosstalk. To further enhance overclocking headroom for fully stacked memory configurations, a highly customized Daisy Chain layout delivers time-aligned signaling.
Play Your Own Style
The cyberpunk-inspired aesthetics of ROG Strix B550-A Gaming are accentuated by the bold slashes and cybertext. By pairing your rig with other products from the diverse ROG ecosystem, you can create a fully customized gaming setup that reflects your personal style.
CERTIFIED COMPATIBILITY
ROG Strix motherboards undergo an extensive certification program to ensure the very best compatibility with the widest range of components and devices. For a smooth build process, refer to our list of guaranteed-compatible components. To help with memory upgrades, the list also includes a dedicated Qualified Vendor list (QVL).
Technical 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 | AMD 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. | |
| * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). | |
| Graphic | 1 x HDMI 2.1([email protected]) |
| 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 AAFP connector |
| 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 | Windows® 10 64-bit |
| Form Factor | ATX Form Factor |
| 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm ) | |
| Note | * Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3 |
| * When the M.2_2 Socket 3 is populated , SATA6G_5/6 ports will be disabled. |
Additional Information
Product Manufactured by: ASUS
Product Found in: ASUS Motherboard
Cackle Part Number: 504357
Manufacturer Part Number: 90MB15J0-M0UAY0
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