Order before 4pm for next (working) day delivery
Spend more than £150 to get free delivery
Asrock B850M Challenger AMD B850 Socket AM5 micro ATX
£145.56
Skip to product information
SKU: 90-MXBU30-A0UAYZ
Asrock B850M Challenger AMD B850 Socket AM5 micro ATX
£145.56
Description
AM5, AMD B850, 4 x DDR5 DIMM, 512Mb AMI UEFI, Realtek ALC897, 2.5 Gigabit LAN, Micro ATX
Challenger Series is all about fearless play, bold breakthroughs, and relentless evolution. Packed with solid specs at a gamer-friendly price, it’s the ultimate option for gamers.
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.
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.
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.
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.
More than USB Transfer Speed
Lightning Gaming Ports
Aimed for die hard gamers and enthusiasts! Lightning Gaming Ports are sourced from two different controller interfaces that assist gamers in connecting the high speed mice/keyboard with the lower jitter and latency!
Front USB 3.2 Gen1 Type-C
Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.
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.
64MB BIOS Ready for Future AM5 Processors
64MB BIOS provides expanded firmware capacity to support future AM5 processors, offering long-term compatibility and enhanced update capability.
M.2 (KEY E) For WiFi
Besides the onboard LAN port, users may also choose wireless connections by M.2 (Key E) slot.
One-Click to AI Agents – ASRock Claw Quickset
ASRock Claw Quickset is a Windows desktop utility that simplifies the deployment of OpenClaw and local AI models. It automates installation, configuration, and environment setup, allowing users to start using AI with minimal technical knowledge.
Description
Forge the Future Dominate the GameChallenger Series is all about fearless play, bold breakthroughs, and relentless evolution. Packed with solid specs at a gamer-friendly price, it’s the ultimate option for gamers.
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.
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.
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.
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.
More than USB Transfer Speed
Lightning Gaming Ports
Aimed for die hard gamers and enthusiasts! Lightning Gaming Ports are sourced from two different controller interfaces that assist gamers in connecting the high speed mice/keyboard with the lower jitter and latency!
Front USB 3.2 Gen1 Type-C
Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.
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.
64MB BIOS Ready for Future AM5 Processors
64MB BIOS provides expanded firmware capacity to support future AM5 processors, offering long-term compatibility and enhanced update capability.
M.2 (KEY E) For WiFi
Besides the onboard LAN port, users may also choose wireless connections by M.2 (Key E) slot.
One-Click to AI Agents – ASRock Claw Quickset
ASRock Claw Quickset is a Windows desktop utility that simplifies the deployment of OpenClaw and local AI models. It automates installation, configuration, and environment setup, allowing users to start using AI with minimal technical knowledge.
Specifications
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 1 |
| 12V power connector | Yes |
| Supported storage drive interfaces | SATA III, M.2 |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| 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 |
| 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 | |
| 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 ready |
| 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 |
| Supported memory clock speeds | 8000 MHz |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| Supported memory clock speed (max) | 8000 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Supported storage drive interfaces | SATA III, M.2 |
| RAID levels | 0, 1, 10 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| Maximum resolution | 3840 x 2160 pixels |
| HDCP | Yes |
| HDCP version | 2.3 |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 6 |
| USB 2.0 ports quantity | 6 |
| Microphone in | Yes |
| HDMI version | 2.1 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 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 ready |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| Expansion slots | |
| Number of M.2 (M) slots | 1 |
| PCI Express x1 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 512 Mbit |
| Video | |
| Maximum resolution | 3840 x 2160 pixels |
| HDCP | Yes |
| Certificates | |
| Certification | FCC, CE, ErP/EuP ready |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Weight & dimensions | |
| Width | 244 mm |
| Depth | 244 mm |
| Packaging content | |
| Cables included | SATA |
| Antenna included | No |
| Other features | |
| PCI Express x1 (Gen 4.x) slots | 1 |
Next Day Delivery
As standard
Spread The Cost
3, 6 & 12 month plans
Secure Checkout
Keeping your details safe
Easy Returns
14 days for peace of mind