






Asrock B850M CHALLENGER AM5 Motherboard
- CPU socket
- AM5
- Chipset (MB)
- AMD B850 MB
- Form factor
- Micro ATX
- Supported memory
- DDR5
- Number of memory slots
- 4
Description
Asrock B850M CHALLENGER is a Micro ATX motherboard for socket AM5, aimed at mid-range gaming and work configurations with serious upgrade potential. It combines a modern AMD B850 chipset with support for the latest Ryzen 9000, 8000, and 7000 processors and fast DDR5 memory. You get a PCIe 5.0 x16 slot for a graphics card, Gen5 M.2 for the fastest NVMe SSDs, and 2.5G LAN for faster networking. The Micro ATX form factor allows for a compact build without sacrificing serious expansion capabilities.
What you get
The four DDR5 slots with a maximum of 256 GB RAM and frequencies up to 8000 MHz (O.C.) give you plenty of room – from a gaming machine with 32/64 GB to a workstation with heavy multitasking. The M.2 slots are highly speed-oriented: one Blazing M.2 PCIe Gen5x4 for a top NVMe drive and one Hyper M.2 PCIe Gen4x4 for a second fast SSD – ideal if you separate OS and games/projects. You also have 4 x SATA3 ports with RAID 0/1/10, so you can easily combine NVMe + large HDD/SSD for storage. For networking, you have 2.5 Gigabit LAN, which is a step above standard gigabit, especially if you transfer large files over the local network. The rich set of USB ports (both rear and front panel connectivity) gives you plenty of options for peripherals, external SSDs, and accessories.
- Socket AM5 with support for AMD Ryzen 9000, 8000, and 7000 processors allows for a long-term upgrade path without changing the motherboard.
- Four slots for DDR5 memory with a capacity of up to 256 GB and frequencies up to 8000 MHz (O.C.) are an excellent foundation for fast gaming and productivity.
- 1 x PCIe 5.0 x16 slot for a graphics card plus additional PCIe 4.0 x1 and x16 (x4) slots allow flexible addition of expansion cards.
- A combination of 1 x Blazing M.2 PCIe Gen5x4 and 1 x Hyper M.2 PCIe Gen4x4 slot gives you top NVMe speed for the system disk and a second fast storage.
- 4 x SATA3 6.0 Gb/s with RAID 0/1/10 support are convenient for security arrays or larger archival arrays.
- The built-in Dragon RTL8125BG 2.5 Gigabit LAN (up to 2500 Mb/s) provides a faster wired network connection compared to the standard 1 Gbit.
- A total of multiple USB 3.2 Gen1 and USB 2.0 ports (Type-A and front Type-C) allow convenient connectivity for modern peripherals and external devices.
- Audio with Realtek ALC897 and 7.1-Channel High Definition Audio is good enough for gaming, movies, and everyday use without an additional sound card.
- Power supply through 1 x 24-pin + 2 x 8-pin connectors ensures stability even with more powerful Ryzen processors.
- Built-in M.2 (Key E) slot for WiFi/BT module allows you to easily add wireless connectivity later if needed.
Who it is suitable for
This motherboard is a very good foundation for mid-range to high-end AM5 gaming builds, streaming, and productivity – especially if you plan to use fast NVMe drives and a strong graphics card. It is also suitable for compact yet powerful workstations with plenty of RAM and storage. It is not the best choice if you insist on built-in Wi-Fi out of the box – here you need a separate module in M.2 (Key E) or an external adapter.
The most sensible thing about Asrock B850M CHALLENGER is the combination of AM5 platform, PCIe 5.0 for GPU and Gen5 M.2, plus serious RAM support in a compact Micro ATX chassis. You get a balanced platform with a clear upgrade path for the next few generations of Ryzen.
Full specifications
- Manufacturer
-
Asrock
- Product Code
- B850M CHALLENGER
- CPU socket
-
AM5
- Chipset (MB)
- AMD B850
- Form factor
- Micro ATX
- Supported processors
-
AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
- Supported memory
-
DDR5
- Number of memory slots
- 4
- Maximum RAM capacity
- 256 GB
- Memory frequency (MHz)
-
up to 8000MHz (O.C.)
- Support for dual-channel memory
- Yes
- Built-in audio
-
Realtek ALC897 Codec7.1-Channel High Definition Audio
- Built-in Wi-Fi
-
No
- Built-in LAN
-
1 x Dragon RTL8125BG 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
- SATA interface
- 4 x SATA3 6.0 Gb/s
- RAID support
- 0,1,10
- M2 slot
-
CPU:- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*
- Expansion slots
-
CPU:- 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*Chipset:- 1 x PCIe 4.0 x1 Slot (PCIE2)*- 1 x PCIe 4.0 x16 Slot (PCIE3), supports x4 mode*- 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
- Power connector
-
1 x 24-pin2 x 8-pin
- Processor generation
-
9th generation7th generation8th generation
- Warranty
- 36 months
- OS
-
Windows 11 64-bit
- USB ports
-
CPU:- 4 x USB 3.2 Gen1 Type-A (Rear (USB32_2, USB32_34, USB32_6))- 1 x USB 2.0 (Rear (USB_2))Chipset:- 1 x USB 3.2 Gen1 Type-C (Front)- 4 x USB 3.2 Gen1 Type-A (2 Rear (USB32_1 and USB32_5), 2 Front)- 5 x USB 2.0 (1 Rear (USB_1), 4 Front)
- Rear I/O panel
-
- 2 x Antenna Mounting Points- 1 x HDMI Port- 6 x USB 3.2 Gen1 Ports (USB32_56 are Lightning Gaming Ports.)- 2 x USB 2.0 Ports- 1 x RJ-45 LAN Port- 1 x BIOS Flashback Button- HD Audio Jacks: Line in / Front Speaker / Microphone
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