We use cookies to make your experience better.
To comply with the new e-Privacy directive, you agree to the privacy policy and our use of cookies.
Asrock
Asrock B850M Pro RS AMD B850 Socket AM5 micro ATX
SKU
B850M PRO RS
In Stock
Micro ATX, Socket AM5, AMD B850 chipset, 4 x DDR5 DIMM, 7.1 ch audio, 2.5 Gigabit LAN, AMI UEFI BIOS
Secure fast payment on this purchase
Next Day (UK) Delivery offered on stock items
- Supports AMD Socket AM5 RyzenTM 9000, 8000 and 7000 Series Processors
- 8+2+1 Phase Power Design, Dr.MOS for VCore+SOC+MISC
- 4 x DDR5 DIMMs, Supports Dual Channel, up to 8000+ (OC)
- 1 PCIe 5.0 x16, 1 PCIe 4.0 x4
- Graphics Output Options: 1 HDMI, 1 DisplayPort
- Realtek ALC897 7.1 CH HD Audio Codec, Nahimic Audio
- 1 Blazing M.2 (PCIe Gen5x4), 2 Hyper M.2 (PCIe Gen4x4), 4 SATA3
- 1 USB 3.2 Gen2 Type-C (Rear), 1 USB 3.2 Gen2 Type-A (Rear), 1 USB 3.2 Gen1 Type-C (Front), 6 USB 3.2 Gen1 (2 Rear, 4 Front), 8 USB 2.0 (4 Rear, 4 Front)
- Realtek 2.5G LAN
- Supports M.2 Bottom Heatsink, BIOS Flashback
Internal I/O | |
---|---|
Number of M.2 (M) slots | 3 |
USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
12V power connector | Yes |
Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0, SATA III |
USB 2.0 connectors | 2 |
USB 3.2 Gen 1 (3.1 Gen 1) connectors | 3 |
TPM connector | Yes |
Number of SATA III connectors | 4 |
Number of chassis fan connectors | 3 |
Front panel audio connector | Yes |
EPS power connector (8-pin) | Yes |
CPU fan connector | Yes |
ATX Power connector (24-pin) | Yes |
RGB LED pin header | Yes |
Number of CPU fan connectors | 2 |
Number of EPS power connectors (8-pin) | 1 |
Number of RGB LED pin headers | 1 |
Technical details | |
Motherboard chipset family | AMD |
Motherboard chipset | AMD B850 |
Supported processor sockets | Socket AM5 |
Parallel processing technology support | Not supported |
HDMI version | 2.1 |
Motherboard form factor | micro ATX |
Component for | PC |
Audio | |
Audio output channels | 7.1 channels |
Performance | |
Supported storage drive types | HDD & SSD |
Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
Motherboard chipset family | AMD |
Motherboard chipset | AMD B850 |
RAID levels | 0, 1, 10 |
Supported processor sockets | Socket AM5 |
Certification | FCC, CE, ErP/EuP |
Audio output channels | 7.1 channels |
Motherboard form factor | micro ATX |
Component for | PC |
Processor | |
Processor manufacturer | AMD |
Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
Supported processor sockets | Socket AM5 |
Processor socket | Socket AM5 |
Memory | |
Number of memory slots | 4 |
Memory slots type | DIMM |
Supported memory types | DDR5-SDRAM |
Memory channels | Dual-channel |
Maximum internal memory | 256 GB |
Unbuffered memory | Yes |
ECC сompatibility | ECC & Non-ECC |
Storage controllers | |
Supported storage drive types | HDD & SSD |
Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0, SATA III |
RAID levels | 0, 1, 10 |
Number of storage drives supported | 7 |
RAID support | Yes |
Graphics | |
Parallel processing technology support | Not supported |
Maximum resolution | 3840 x 2160 pixels |
HDCP | Yes |
Rear panel I/O ports | |
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
DisplayPort version | 1.4 |
USB connector type | USB Type-A, USB Type-C |
USB 2.0 ports quantity | 4 |
VGA (D-Sub) ports quantity | 0 |
Microphone in | Yes |
Headphone outputs | 3 |
HDMI version | 2.1 |
HDMI ports quantity | 1 |
Ethernet LAN (RJ-45) ports | 1 |
DVI-D ports quantity | 0 |
DisplayPorts quantity | 1 |
Line-in | Yes |
Network | |
---|---|
Ethernet LAN | Yes |
Wi-Fi | No |
LAN controller | Dragon RTL8125BG |
Ethernet interface type | 2.5 Gigabit Ethernet |
Features | |
Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
Motherboard chipset family | AMD |
Motherboard chipset | AMD B850 |
Supported processor sockets | Socket AM5 |
Certification | FCC, CE, ErP/EuP |
Audio output channels | 7.1 channels |
Motherboard form factor | micro ATX |
Component for | PC |
Audio chip | Realtek ALC897 |
Product colour | Black |
Expansion slots | |
Number of M.2 (M) slots | 3 |
PCI Express x16 (Gen 5.x) slots | 1 |
PCI Express x4 (Gen 4.x) slots | 1 |
1st M.2 largest key size | 2280 |
1st M.2 highest PCI Express generation | 5.0 |
2nd M.2 largest key size | 2280 |
2nd M.2 highest PCI Express generation | 4.0 |
3rd M.2 largest key size | 2280 |
3rd M.2 highest PCI Express generation | 4.0 |
BIOS | |
BIOS type | UEFI AMI |
BIOS memory size | 256 Mbit |
Video | |
Maximum resolution | 3840 x 2160 pixels |
HDCP | Yes |
Certificates | |
Certification | FCC, CE, ErP/EuP |
Software | |
Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
Weight & dimensions | |
Width | 244 mm |
Depth | 244 mm |
Packaging content | |
Cables included | SATA |
Screws included | Yes |
You may also be interested in
Product |
![]() |
![]() Popular
ASUS PRIME B550-PLUS AMD B550 Socket A...
Login for pricing
|
![]() Hot Product
ASUS PRIME B550M-A AMD B550 Socket AM4...
Login for pricing
|
![]() Recommended
ASUS ROG STRIX B550-F GAMING AMD B550...
Login for pricing
|
![]() |
![]() Bestseller
ASUS ROG STRIX B550-A GAMING AMD B550...
Login for pricing
|
---|---|---|---|---|---|---|
SKU |
B850M PRO RS
|
90MB14U0-M0EAY0
|
90MB14I0-M0EAY0
|
90MB14S0-M0EAY0
|
B550 AORUS ELITE V2
|
90MB15J0-M0EAY0
|
Description |
Optimized for stability, durability, and efficiency. It combines reliable performance, user-friendly features and streamlined style for daily computing tasks.
Optimized VRM Design 8+2+1 Power Phase Design Featuring sturdy components and completely smooth power delivery to the CPU, offering enhanced performance for gamers. Dr. MOS Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Compared to traditional discrete MOSFETs, it intelligently delivers higher current for each phase, thus providing improved thermal result and superior performance. Hi-Density Power Connector CPU overclocking requires higher current. ASRock Hi-Density Power Connectors are designed to withstand higher currents compared to traditional CPU and ATX power connectors, providing a more stable system and reducing the risk of fire during heavy overclocking. 6 Layer PCB The 6 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus, it's able to support the latest memory modules with most extreme memory performance! DDR5 XMP & EXPO Support Derived from the “built for stable and reliable” designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all. High Speed M.2 Solution PCIe Gen5 Blazing M.2 The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation, with a breathtaking 128Gb/s transfer speed, it is ready to unleash the full potential of future ultrafast SSDs. Hyper M.2 Gen4 x4 Supports PCI Express 4.0 M.2 SSDs, it is capable of perform twice the speed compared to previous 3rd generation, giving a lightning fast data transferring experience. DIY Friendly Design The M.2 bottom heatsink is able to dissipate heat of the M.2 SSD efficiently through the motherboard PCB, maximize performance while maintaining system stability. Intelligent Cooling Design Aluminum Heatsink The first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation, especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance, hence ensure system stability and durability effortlessly. PWM/DC Fan Support ASRock fan headers automatically detect whether fans are running in DC or PWM mode, allowing users to fine-tune the fan curve and achieve quieter operation. Fan-Tastic Tuning ASRock A-Tuning Fan-Tastic Tuning function enables users to auto-detect the minimum duty of each fan with a single click. Users can also easily adjust the fan curve via the visualized UI interface, meeting their system's cooling performance and noise reduction requirements. Connectivity Dragon 2.5 Gb/s LAN The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups. Nahimic Audio Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details. The Powerful algorithms to ensure the best noise-free conversation, giving a constant vocal level no matter the distance from your mic. The Nahimic audio engine dynamically clear the sound and remove interference noise and lower the voice variation. Result is a better comprehension and less fatigue. - Static Noise Suppression - Echo Cancellation - Lateral Sound Cancellation - Voice Stabilizer - Sound Tracker The Sound Tracker is a visual indicator that points out the directions from which predominant sounds are coming. Each sound is properly positioned in 360° on a radar for a full immersion during the game. - Works on any devices! Enjoy the vibrant and high-quality Surround Sound on all your favorite audio devices. Nahimic is compatible with all of your favorite audio tools and ensures the best sound with any of them. Nahimic measure and improve to optimize our technology and offer you the best experience. POLYCHROME RGB This motherboard features onboard RGB headers and addressable RGB headers that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects. SignalRGB SignalRGB unifies your RGB devices, offering seamless customization, game-reactive effects, macro automation, and system monitoring. The official partnership empowers ASRock motherboards with advanced lighting control, enhances compatibility with a diverse range of RGB devices, and provides greater customization flexibility. DIY Friendly Dual Graphics Outputs Complete with two types of most used connectors! Packed with a HDMI + DisplayPort combo, you have more graphics output options now. Reinforced Steel Slot [PCIe 5.0 Version] The reinforced steel slot is capable of supporting PCI Express 5.0 standard. The various benefits include: - Extra anchor points - Stronger latch - Ensure signal stability - Make sure heavy graphics cards to be well-installed. EZ Setting No need to worry about lack of disk drive! Asrock preinstall LAN driver to ensure that you are able to install all drivers needed in an easier way than using SCD. Get the most convenient BIOS flashing with just a simple click. Users can easily achieve the latest BIOS support with a USB and a power supply. No CPU, RAM or other components are required. ASRock strives offer only the cutting edge technology with the most user-friendly design. The pre-installed IO Shield design makes motherboard to be well-installed in the chassis precisely for preventing any interferences and speed up the set-up process. |
ASUS Prime series is expertly engineered to unleash the full potential of 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.
Tune It Your Way 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. Cool to the Core 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. VRM Heatsink and Thermal Pads Two massive VRM heatsinks with underneath thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance. Build on a Solid Foundation 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 (up to 64 Gbps) Achieve Speed With Onboard M.2 PCIe 4.0 M.2 Slot supports up to 22110 and provide 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. Little Things Make a Big Difference 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. Outstanding Audio Combined onboard features deliver elevated audio Intelligent design and premium hardware create audio quality unlike anything you've ever experienced. |
ASUS Prime series is expertly engineered to unleash the full potential of 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.
Tune It Your Way 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. Cool to the Core 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. VRM Heatsink and Thermal Pads A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance. Build on a Solid Foundation 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. Little Things Make a Big Difference 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. Outstanding Audio Combined onboard features deliver elevated audio Intelligent design and premium hardware create audio quality unlike anything you've ever experienced. Audio Shielding Separates analog/digital signal domains, significantly reducing multi-lateral interference. Separate Layer for Left and Right Tracks Ensures minimal crosstalk between audio paths. Premium Japanese Capacitors Premium parts provide an immersive sound signature, with exceptional fidelity. |
Advance Your Gaming Immersion
ROG Strix B550-F 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-F 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. All-round Performance ROG Strix B550-F 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. Play Your Own Style The cyberpunk-inspired aesthetics of ROG Strix B550-F 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. UNDENIABLY ROG STRIX ROG Strix B550-F Gaming embodies the ROG spirit with eye-catching aesthetics, including the next-generation distorted ROG eye logo and recessed cybertext patterning etched on the I/O shroud. These new designs move ROG Strix boldly into the future, while clearly reflecting the series' gaming roots. ROG Gives You More ROG-exclusive software utilities deliver intuitive audio tuning and gaming enhancements that allow you to configure your gaming build the way you want. UEFI BIOS The renowned ROG UEFI (BIOS) provides everything you need to configure, tweak, and tune your rig. It offers intelligently simplified options for newcomers to PC DIY, as well as comprehensive features for seasoned veterans. |
Elevate your computing experience with GIGABYTE's renowned motherboard series: AORUS, AERO, and GIGABYTE. Featuring innovative designs and advanced features, these boards offer exceptional performance and reliability. Whether you're a gamer, content creator, or professional, our series cater to your needs, ensuring uncompromising quality and cutting-edge
|
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. 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. 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. Pre-mounted I/O shield Patented I/O shield is finished in sleek matte black and comes pre-mounted to make it easy to install on the motherboard. 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). The ROG Strix Ecosystem Awaits Up your game with ROG Strix. Enjoy complementary aesthetics, control and compatibility across AIO coolers, cases, peripherals, and much more! ROG offers more choices than any other brand. ROG Gives You More ROG-exclusive software utilities deliver intuitive audio tuning and gaming enhancements that allow you to configure your gaming build the way you want. UEFI BIOS The renowned ROG UEFI (BIOS) provides everything you need to configure, tweak, and tune your rig. It offers intelligently simplified options for newcomers to PC DIY, as well as comprehensive features for seasoned veterans. AI Networking The proprietary ROG GameFirst VI utility is designed to help all users — beginners, experts, and everyone in between — optimize network settings to ensure smooth online gameplay. New to this generation, GameFirst VI features AI-enhanced identification and boost technology to ensure faster and smarter network optimization. Armoury Crate Armoury Crate is a new software utility designed to give you centralized control of supported gaming products, making it easy to tune the look and feel of your system. From a single intuitive interface, Armoury Crate lets you easily customize RGB lighting and effects for compatible devices and synchronize them with Aura Sync to create a unified lighting scheme across your system. You can also use Armoury Crate to download the user manual, drivers and software. In addition, Armoury Crate features a dedicated product registration page as well as a news feed to help you stay in touch with the gaming community. RAMCache III RAMCache lll software turns milliseconds into microseconds to boost game-load times. Fully compatible with the latest NVM Express® storage options, its uniquely intelligent technology effectively caches an entire storage device so that favorite games and apps launch at breakneck speeds. |
Short Description |
Micro ATX, Socket AM5, AMD B850 chipset, 4 x DDR5 DIMM, 7.1 ch audio, 2.5 Gigabit LAN, AMI UEFI BIOS
|
AMD B550 (Ryzen AM4) ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, DisplayPort/HDMI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A and Type-C, and Aura Sync RGB headers support
|
AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB headers support
|
AMD Socket AM4, 4 x DIMM, AMD B550, 6 x SATA-III 6Gbps, 2 x M.2, 2.5G Ethernet, Bluetooth 5.1, 2 x USB 2.0, 2 x USB 3.2 Gen.1, USB 3.2 Gen.2 type-A, USB 3.2 Gen.2 type-C, HDMI, DP, ATX, 305 x 244mm
|
B550 AORUS ELITE V2 Motherboard - AMD Ryzen 5000 CPUs, 12+2 Phases VRM, up to 4733MHz DDR4, 1xPCIe 4.0 + 1xPCIe 3.0 M.2, 2.5GbE LAN, USB 3.2 Gen 2
|
DDR4 4GB, PCI Express 3.0, AMD B550, ATX
|
Manufacturer |
Asrock
|
ASUS
|
ASUS
|
ASUS
|
Gigabyte
|
ASUS
|