The Asrock B850 Pro RS motherboard supports AMD Ryzen 7000, 8000 and 9000 series processors with AM5 socket. It has 4 DIMM slots for DDR5 memory, 2.5 Gigabit Ethernet and RAID support for storage.
The Asrock B850 Pro RS motherboard supports AMD Ryzen 7000, 8000 and 9000 series processors with AM5 socket. It has 4 DIMM slots for DDR5 memory, 2.5 Gigabit Ethernet and RAID support for storage.





The Asrock B850 Pro RS motherboard supports AMD Ryzen 7000, 8000 and 9000 series processors with AM5 socket. It has 4 DIMM slots for DDR5 memory, 2.5 Gigabit Ethernet and RAID support for storage.
Guarantee
24 month
Delivery from Europe in
8 - 9
business days
Compatible with AMD Ryzen 7000, 8000 and 9000 series processors using Socket AM5. Key features: 4 DIMM slots for DDR5 memory, 2.5 Gigabit Ethernet and RAID support for storage.
Processor | |
|---|---|
| Processor manufacturer | AMD |
| Composite processor types | AMD Ryzen 7000 series, AMD Ryzen 8000 series, AMD Ryzen 9000 series |
| Processor socket | Socket AM5 |
Features | |
| Motherboard chipset family | AMD |
| Audio chip | Realtek ALC897 |
| Audio output channels | 7.1 channels |
| Composite Windows operating systems | Windows 11 x64, Windows 10 x64 |
| Motherboard format type | ATX |
| Motherboard chip | AMD B850 |
Memory | |
| ECC compatibility | ECC |
| Memory channels | Dual channel |
| Memory slot type | DIMMs |
| Types of compound memory | DDR5-SDRAM |
| Number of memory slots | 4 |
| Maximum internal memory | 256GB |
Weight and dimensions | |
| Width | 305mm |
| Depth | 244 mm |
Network | |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| LAN controller | Dragon RTL8125BG |
| Ethernet interface type | 2.5 Gigabit Ethernet |
Internal I/O | |
| Number of CPU cooler connections | 2 |
| Number of USB 3.2 Gen 2x2 ports | 1 |
| Number of EPS power connections (8-pin) | 2 |
| RGB LED pin connector | Yes |
| TPM connector | Yes |
| CPU cooler connector | Yes |
| EPS power connector (8-pin) | Yes |
| Number of USB 3.2 Gen 1 (3.1 Gen 1) ports | 2 |
| Front panel audio connector | Yes |
| ATX power connector (24-pin) | Yes |
| Number of SATA III connectors | 4 |
| Number of USB 2.0 ports | 2 |
| Number of chassis cooler connections | 4 |
BIOS | |
| BIOS type | UEFI AMI |
Storage controls | |
| Composite storage device interfaces | M.2, SATA III |
| RAID support | Yes |
| RAID levels | 1, 0, 10 |
Rear panel I/O ports | |
| Number of HDMI ports | 1 |
| Number of USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| Number of USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports | 1 |
| Number of USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports | 4 |
| Number of USB 2.0 ports | 6 |
| Microphone input | Yes |
| Line input | Yes |
Expansion slots | |
| PCI Express x16 (Gen 5.x) slots | 1 |
| M.2 (M) number of sockets | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| Height | 100mm |
| Length | 400mm |
| Weight | 1600g |
| Width | 300mm |