Key Points

• Format: micro-ATX

• Socket / Chipset: AM5 — AMD B850

• Supported CPUs: Ryzen 7000 / 8000 / 9000 (depending on BIOS version)

• Memory: 4× DDR5, dual-channel, up to 192/128 GB depending on modules, EXPO/XMP profiles, high frequencies possible

Graphics (with Ryzen “G” APU)

• Rear video outputs: HDMI 2.1 + DisplayPort 1.4

• Multi-display possible via iGPU of compatible APUs

Expansion Slots

• 1× PCIe x16 (from CPU): PCIe 4.0 x16

• 1× PCIe x1 (from chipset)

• (On B850, the x16 GPU remains Gen4; Gen5 is reserved for the main M.2.)

Storage

• M.2: 2 slots

  • M2_1 (CPU): PCIe 5.0 x4 (NVMe)

  • M2_2 (chipset): PCIe 4.0 x4 (NVMe)

• SATA: 4× SATA 6 Gb/s

• NVMe boot supported; M.2 heatsink on the main slot

Network & Audio

• Wired LAN: 2.5 GbE

• Wi-Fi: no (Pro-A “non-WiFi” version) — M.2/USB module can be added if needed

• Audio: HD 7.1 codec, isolated audio track, dedicated capacitors

Rear Connectivity (Typical I/O)

• Rear USB: mix of USB 3.2 Gen2 (10 Gb/s) and Gen1, plus USB 2.0

• Rear USB-C: present on some revisions (up to 10 Gb/s)

• Video: 1× HDMI, 1× DP

• Network: 1× RJ-45 (2.5G)

• Audio: 3 analog jacks

Internal Headers & Cooling

• Internal USB:

  • 1× USB-C 3.2 Gen1 header (front) (depending on revision)

  • 1× USB-A 3.2 Gen1 header (2 front ports)

  • 2× USB 2.0 headers (4 front ports)

• Fans: 1× CPU_FAN + 2× CHA_FAN (PWM/DC), customizable curves

• RGB: 1× ARGB 5 V + 1× RGB 12 V (Polychrome RGB)

• Power: 24-pin ATX + 8-pin CPU

VRM & Design

• Solid digital power phases for CPU/SoC (typical 8–10 phase design depending on revision)

• Multilayer PCB, VRM/M.2 heatsinks, ESD/overvoltage protection

BIOS & Features

• UEFI (EZ/Advanced), Instant/Flashback for BIOS updates, EXPO profiles, hardware monitoring

• Tools: A-Tuning (fans/monitoring), Polychrome Sync

Recommended Use

• Entry/mid-range AM5 gaming PC with dedicated GPU

• Versatile build needing Gen5 NVMe SSD for OS + second Gen4 M.2, 2.5G LAN, 4 DDR5 DIMMs

Limitations to Note

• No advanced CPU overclocking (mid-range chipset)

• No integrated Wi-Fi on the Pro-A variant