






Asrock B850M-X R2.0 AM5 Motherboard
- CPU socket
- AM5
- Chipset (MB)
- AMD B850 MB
- Form factor
- Micro ATX
- Supported memory
- DDR5
- Number of memory slots
- 2
Description
Asrock B850M-X R2.0 AM5 is a Micro ATX motherboard for the AM5 platform, aimed at a stable mid-range build with a clear upgrade path. It combines the new AMD B850 chipset with AM5 socket and support for Ryzen 7000, 8000, and 9000, so you can easily transition through several generations of CPUs. You get DDR5 support with high frequencies for a tight and fast PC in a compact format. Add to that a PCIe 5.0 x16 slot and Gen5 M.2, and you have a platform that won't struggle soon with modern GPUs and NVMe drives.
What you get
The AM5 socket and support for Ryzen 9000 / 8000 / 7000 give you freedom – you can start with a more affordable processor and later upgrade to a stronger one without changing the motherboard. The memory is DDR5 with up to 128 GB in two slots and frequencies up to 8200+ MHz (OC), which is more than enough even for heavy workloads and future RAM upgrades. For storage, you have a PCIe Gen5x4 M.2 slot for the fastest NVMe SSDs plus a Gen4x4 slot and 4 x SATA3, and RAID support for SATA and NVMe allows you to combine speed and data redundancy. The real benefit – fast loading of games and projects, plenty of space for libraries, and greater security when needing RAID configurations. The built-in 2.5G LAN provides higher network bandwidth than the standard 1G, which is a plus for online gaming, NAS, and fast transfers in a local network.
- The AM5 socket with support for Ryzen 9000, 8000, and 7000 means long-term compatibility and easy CPU upgrades.
- Support for DDR5 memory with up to 128 GB in 2 slots and frequency up to 8200+ MHz (OC) provides enough capacity and frequency for gaming and productivity.
- 1 x PCIe 5.0 x16 slot for the main GPU provides maximum bandwidth for modern and future graphics cards.
- Two M.2 slots – 1 x Blazing M.2 PCIe Gen5x4 and 1 x Hyper M.2 PCIe Gen4x4 – allow a combination of ultra-fast system disk and a second NVMe for gaming or work.
- 4 x SATA3 6.0 Gb/s plus support for RAID 0, 1, 5, 10 for SATA and RAID 0/1/10 for M.2 NVMe provide flexible options for storage arrays.
- Built-in Realtek 8125BG 2.5G LAN provides higher network speed and lower latency compared to standard gigabit LAN.
- Audio with Realtek ALC897 and 7.1-Channel High Definition Audio is more than enough for gaming, movies, and everyday use without a separate sound card.
- Good selection of USB: a total of USB 3.2 Gen1 Type-A and Type-C on the front and back plus several USB 2.0 for peripherals and legacy devices.
- Micro ATX form factor with 1 x 24-pin and 1 x 8-pin power connectors is suitable for compact cases and standard ATX power supplies.
- M.2 Socket (Key E) allows you to add a WiFi/BT module at any time, even though the motherboard does not have a built-in wireless module.
Who it is suitable for
This motherboard is a good core for a mid-range to high mid-range gaming or productivity build in a Micro ATX case – especially if you plan to use fast NVMe drives and a more powerful Ryzen processor. It is suitable if you rely on a wired network with 2.5G and do not need built-in Wi-Fi right from the start. If you are looking for a large number of RAM slots or extremely many PCIe slots for cards, an ATX motherboard may be a better choice.
The combination of AM5, DDR5 up to 8200+ MHz, PCIe 5.0 for GPU, and Gen5 M.2 in a compact Micro ATX form factor makes Asrock B850M-X R2.0 AM5 a very solid foundation for a modern and future-proof build.
Full specifications
- Manufacturer
-
Asrock
- CPU socket
-
AM5
- Chipset (MB)
- AMD B850
- Form factor
- Micro ATX
- Supported processors
-
Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
- Supported memory
-
DDR5
- Number of memory slots
- 2
- Maximum RAM capacity
- 128 GB
- Memory frequency (MHz)
-
up to 8200+(OC)
- Support for dual-channel memory
- Yes
- Built-in audio
-
Realtek ALC897 Codec7.1-Channel High Definition Audio
- Built-in Wi-Fi
-
No
- Bluetooth version
- No
- Built-in LAN
-
Realtek® 8125BG 2.5G LAN
- SATA interface
- 4 x SATA3 6.0 Gb/s
- RAID support
- 0, 1, 5, 10
- Expansion slots
-
CPU:- 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 modeChipset:- 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-pin1 x 8-pin
- Graphics
-
Integrated AMD RDNA™ graphics (Actual support may vary by CPU)- 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz- 1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 4K 120Hz
- BIOS
- 256Mb AMI UEFI Legal BIOS with GUI support
- Processor generation
-
7th generation8th generation9th generation
- Warranty
- 36 months
- OS
-
Windows 11 64-bit
- 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 2260/2280 PCIe Gen4x4 (64 Gb/s) modeChipset:- 4 x SATA3 6.0 Gb/s ConnectorsSupports RAID 0, RAID 1 and RAID 10 for SATA storage devicesSupports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices
- USB ports
-
CPU:- 3 x USB 3.2 Gen1 Type-A (Rear)- 1 x USB 2.0 (Rear (USB_2))Chipset:- 2 x USB 3.2 Gen1 Type-C (1 Rear, 1 Front)- 2 x USB 3.2 Gen1 Type-A (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- 1 x DisplayPort 1.4- 1 x USB 3.2 Gen1 Type-C Port- 3 x USB 3.2 Gen1 Type-A 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
- Connectors
-
1 x Thermistor Cable Header1 x SPI TPM Header1 x Power LED and Speaker Header1 x RGB LED Header3 x Addressable LED Headers2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)1 x 24 pin ATX Power Connector1 x 8 pin 12V Power Connector (Hi-Density Power Connector)1 x Front Panel Audio Connector2 x USB 2.0 Headers (Support 4 USB 2.0 ports)1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)1 x Front Panel Type C USB 3.2 Gen1 Header
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