ASRock B850 PRO-A, AMD B850, AM5, ATX, DDR5, USB-C, 2.5G LAN, HDMI, 4x M.2
Original price was: £156.05.£147.10Current price is: £147.10.
ASRock B850 PRO-A, AMD B850, AM5, ATX, DDR5, USB-C, 2.5G LAN, HDMI, 4x M.2
MPN:
B850 PRO-A
- Form Factor: ATX
- Socket: AMD AM5
- Chipset: AMD B850
- DDR Type: DDR5
Original price was: £156.05.£147.10Current price is: £147.10.
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Product Description
ASRock Pro-A B850 Perfected Performance and Connectivity
Built for Power Users and Overclockers
The ASRock Pro-A B850 motherboard delivers a harmonious blend of performance, stability, and innovative features tailored for both professionals and enthusiasts. With support for the latest AMD Ryzenâ„¢ 9000, 8000, and 7000 series processors on the AM5 socket, this ATX board is built to push boundaries. Backed by a 14+2+1 power phase design with 80A Dr.MOS and a high-efficiency 8-layer PCB, it offers exceptional overclocking potential while ensuring system stability. The memory configuration supports blazing DDR5 speeds over 8000+ MHz (OC), and the robust cooling design with aluminum heatsinks and customizable fan controls makes it an ideal choice for performance-driven users.
Cutting-Edge DDR5 & PCIe 5.0 Support
Connectivity is a highlight of the Pro-A B850, boasting Dragon 2.5G LAN, front-panel USB 3.2 Gen2x2 Type-C, and dual DisplayPort-capable USB Type-C ports. Expansion options are extensive with support for PCIe 5.0 and 4.0 slots, alongside four M.2 sockets including a Gen5 Blazing M.2 for ultra-fast SSDs. Audio is equally strong with Realtek’s ALC897 7.1 HD codec, ensuring immersive sound for gaming and media.
Full-Speed USB and 2.5G LAN Mastery
The board is topped off with signature ASRock features like BIOS Flashback, Polychrome RGB lighting, and SignalRGB support for advanced customization. With EZ Setup tools such as the Auto Driver Installer and reinforced PCIe Steel Slot, this motherboard is built to simplify setup and endure heavy-duty usage. Whether you're building a gaming rig, workstation, or creative suite, the ASRock Pro-A B850 offers the power and reliability to match your ambition.
| Category | Details |
|---|---|
| Motherboard Type | Desktop |
| Form Factor | ATX |
| Socket | AMD AM5 |
| Chipset | AMD B850 |
| CPU Support | CPU support |
| RAM Technology | DDR5 (Dual Channel), ECC and Non-ECC Un-buffered DIMM, Supports XMP & EXPO |
| RAM Slots | 4 x DIMM |
| RAM Speeds | Up to 8000+ (OC) |
| Maximum Memory | 256GB |
| Graphics | Integrated Graphics (Graphics specifications may vary by CPU type) |
| Graphics Ports | 1 x HDMI 1 x USB 3.2 Gen1 Type-C (supports DP 1.4 HBR3) |
| PCI/PCI Express | Ryzen 9000 & 7000 Series CPUs: 1 x PCIe 5.0 x16 Ryzen 8000 Series CPUs: 1 x PCIe 4.0 x8/x4 AMD B850 Chipset: 1 x PCIe 4.0 x16 (x4 mode) |
| Storage Interfaces | 4 x SATA III 4 x M.2 Ryzen 9000 & 7000 Series CPUs: M.2_1 (2280) – PCIe 5.0 x4 M.2_2 (2280) – PCIe 4.0 x4 Ryzen 8000 Series CPUs: M.2_1 (2280) – PCIe 4.0 x4 M.2_2 (2280) – PCIe 4.0 x4/x2 AMD B850 Chipset: M.2_3 (2230/2242/2260/2280) – PCIe 3.0 x4 M.2_4 (2280) – PCIe 4.0 x4 |
| RAID Support | RAID 0, 1 (SATA devices) RAID 0, 1, 10 (M.2 NVMe devices) |
| Wireless-LAN | 2.5GB LAN |
| Audio | 7.1 CH HD Audio (Realtek ALC897 Audio Codec) |
| USB Ports | Rear: 1 x USB 10Gbps Type-C 1 x USB 5Gbps Type-C 4 x USB 5Gbps Type-A 6 x USB 2.0 Front: 1 x USB 20Gbps Type-C 2 x USB 5Gbps Type-A 3 x USB 2.0 |
| Back Panel I/O Ports | 2 x Antenna Mounting Points 1 x HDMI 1 x USB 3.2 Gen2 Type-C 1 x USB 3.2 Gen1 Type-C 4 x USB 3.2 Gen1 Type-A 6 x USB 2.0 1 x RJ-45 LAN 1 x BIOS Flashback Button HD Audio Jacks |
| Internal I/O Connectors | 1 x SPI TPM 1 x Power LED and Speaker 1 x RGB LED 3 x Addressable LED 2 x CPU Fan 4 x Chassis Fan 1 x AIO Pump Fan 1 x 24-pin ATX 2 x 8-pin 12V 1 x Front Panel Audio 2 x USB 2.0 1 x USB 3.2 Gen1 1 x Front Panel Type-C USB 3.2 Gen2x2 |
| Accessories | 1 x I/O Shield 2 x SATA Data Cables 1 x Screw for M.2 Socket |
| Package Type | Retail |
| Package Weight | 1.7400 kg |
| Warranty | 3 Year Replacement Warranty |
| Full Box Quantity | 5 |
Other Options
Customer Reviews
5 reviews for ASRock B850 PRO-A, AMD B850, AM5, ATX, DDR5, USB-C, 2.5G LAN, HDMI, 4x M.2
Clear filtersRecently viewed
- Form Factor: ATX
- Socket: AMD AM5
- Chipset: AMD B850
- DDR Type: DDR5
ASRock Pro-A B850 Perfected Performance and Connectivity
Built for Power Users and Overclockers
The ASRock Pro-A B850 motherboard delivers a harmonious blend of performance, stability, and innovative features tailored for both professionals and enthusiasts. With support for the latest AMD Ryzenâ„¢ 9000, 8000, and 7000 series processors on the AM5 socket, this ATX board is built to push boundaries. Backed by a 14+2+1 power phase design with 80A Dr.MOS and a high-efficiency 8-layer PCB, it offers exceptional overclocking potential while ensuring system stability. The memory configuration supports blazing DDR5 speeds over 8000+ MHz (OC), and the robust cooling design with aluminum heatsinks and customizable fan controls makes it an ideal choice for performance-driven users.
Cutting-Edge DDR5 & PCIe 5.0 Support
Connectivity is a highlight of the Pro-A B850, boasting Dragon 2.5G LAN, front-panel USB 3.2 Gen2x2 Type-C, and dual DisplayPort-capable USB Type-C ports. Expansion options are extensive with support for PCIe 5.0 and 4.0 slots, alongside four M.2 sockets including a Gen5 Blazing M.2 for ultra-fast SSDs. Audio is equally strong with Realtek’s ALC897 7.1 HD codec, ensuring immersive sound for gaming and media.
Full-Speed USB and 2.5G LAN Mastery
The board is topped off with signature ASRock features like BIOS Flashback, Polychrome RGB lighting, and SignalRGB support for advanced customization. With EZ Setup tools such as the Auto Driver Installer and reinforced PCIe Steel Slot, this motherboard is built to simplify setup and endure heavy-duty usage. Whether you're building a gaming rig, workstation, or creative suite, the ASRock Pro-A B850 offers the power and reliability to match your ambition.
| Category | Details |
|---|---|
| Motherboard Type | Desktop |
| Form Factor | ATX |
| Socket | AMD AM5 |
| Chipset | AMD B850 |
| CPU Support | CPU support |
| RAM Technology | DDR5 (Dual Channel), ECC and Non-ECC Un-buffered DIMM, Supports XMP & EXPO |
| RAM Slots | 4 x DIMM |
| RAM Speeds | Up to 8000+ (OC) |
| Maximum Memory | 256GB |
| Graphics | Integrated Graphics (Graphics specifications may vary by CPU type) |
| Graphics Ports | 1 x HDMI 1 x USB 3.2 Gen1 Type-C (supports DP 1.4 HBR3) |
| PCI/PCI Express | Ryzen 9000 & 7000 Series CPUs: 1 x PCIe 5.0 x16 Ryzen 8000 Series CPUs: 1 x PCIe 4.0 x8/x4 AMD B850 Chipset: 1 x PCIe 4.0 x16 (x4 mode) |
| Storage Interfaces | 4 x SATA III 4 x M.2 Ryzen 9000 & 7000 Series CPUs: M.2_1 (2280) – PCIe 5.0 x4 M.2_2 (2280) – PCIe 4.0 x4 Ryzen 8000 Series CPUs: M.2_1 (2280) – PCIe 4.0 x4 M.2_2 (2280) – PCIe 4.0 x4/x2 AMD B850 Chipset: M.2_3 (2230/2242/2260/2280) – PCIe 3.0 x4 M.2_4 (2280) – PCIe 4.0 x4 |
| RAID Support | RAID 0, 1 (SATA devices) RAID 0, 1, 10 (M.2 NVMe devices) |
| Wireless-LAN | 2.5GB LAN |
| Audio | 7.1 CH HD Audio (Realtek ALC897 Audio Codec) |
| USB Ports | Rear: 1 x USB 10Gbps Type-C 1 x USB 5Gbps Type-C 4 x USB 5Gbps Type-A 6 x USB 2.0 Front: 1 x USB 20Gbps Type-C 2 x USB 5Gbps Type-A 3 x USB 2.0 |
| Back Panel I/O Ports | 2 x Antenna Mounting Points 1 x HDMI 1 x USB 3.2 Gen2 Type-C 1 x USB 3.2 Gen1 Type-C 4 x USB 3.2 Gen1 Type-A 6 x USB 2.0 1 x RJ-45 LAN 1 x BIOS Flashback Button HD Audio Jacks |
| Internal I/O Connectors | 1 x SPI TPM 1 x Power LED and Speaker 1 x RGB LED 3 x Addressable LED 2 x CPU Fan 4 x Chassis Fan 1 x AIO Pump Fan 1 x 24-pin ATX 2 x 8-pin 12V 1 x Front Panel Audio 2 x USB 2.0 1 x USB 3.2 Gen1 1 x Front Panel Type-C USB 3.2 Gen2x2 |
| Accessories | 1 x I/O Shield 2 x SATA Data Cables 1 x Screw for M.2 Socket |
| Package Type | Retail |
| Package Weight | 1.7400 kg |
| Warranty | 3 Year Replacement Warranty |
| Full Box Quantity | 5 |
13 reviews for ASRock B850 PRO-A, AMD B850, AM5, ATX, DDR5, USB-C, 2.5G LAN, HDMI, 4x M.2
Clear filters-
Speed boost was immediately noticeable
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Works flawlessly with my setup
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Not as quiet as advertised
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Would definitely buy again from this store
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Zero compatibility issues, great experience
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Massive improvement from my old component
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My FPS increased significantly after installation
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Very stable even under heavy load
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Exactly as described and works great
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Exactly what I needed for my gaming rig
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Top-notch performance and easy installation
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Build quality is impressive, fan a bit loud
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Reliable, powerful, and works as expected
Myra (verified owner) –
Good investment for long-term performance
Pietro (verified owner) –
Installation was easy but needed a quick BIOS update
Mathilde (verified owner) –
Top-notch performance and easy installation
Pedro (verified owner) –
No issues at all, plug and play with great performance
Maritza (verified owner) –
Works okay but not a huge improvement