ASUS PRIME B850M-K
AM5, AMD B850, mATXOnly 2 pieces in stock
Product details
The B850M-K ASUS Prime series motherboards are expertly designed to unleash the full potential of AMD Ryzen 9000 series processors. The PRIME B850M-K motherboard offers users and PC DIY builders a range of performance optimizations through intuitive software and firmware features. It is designed to be ready for advanced AI PCs, providing the performance and connectivity required for demanding AI applications.
Mainboard features | Front panel audio connector, RGB header, S/PDIF header, Serial header, Trusted Platform Module |
Number of memory modules (RAM) | 2x |
Memory type | DDR5 RAM |
Internal connection options | M.2 PCIe (2x), S-ATA III (4x) |
Item number | 57493481 |
Manufacturer | ASUS |
Category | Motherboards |
Manufacturer no. | 90MB1LV0-M0EAY0 |
Release date | 8-4-2025 |
External links |
Form factor | Micro ATX (mATX) |
Socket | AM5 |
Chipset | AMD B850 |
Mainboard features | Front panel audio connector, RGB header, S/PDIF header, Serial header, Trusted Platform Module |
Operating system compatibility | Windows |
BIOS type | UEFI AMI |
Memory form factor | DIMM |
Number of memory modules (RAM) | 2x |
Max. memory (RAM) | 128 GB |
Memory chip | DDR5-5200, DDR5-5600 |
Memory type | DDR5 RAM |
RAM buffer | Unbuffered |
Video connections | DisplayPort (1x), HDMI (1x) |
Video connection version | Display port 1.4, HDMI 2.1 |
Network connections | RJ45 2.5 Gigabit Ethernet (1x) |
Ethernet controller brand | Realtek |
Max. port speed | 2.50 Gbit/s |
Audio channel | 7.1 Channel |
Audio Connections | Jack 3.5mm Line In (1x), Microphone |
RAID configuration | 0, 1, 10 |
Internal connection options | M.2 PCIe (2x), S-ATA III (4x) |
Expansion slot | PCI Express x16 (1x) |
PCI express version (max.) | 5 |
Number of fan connector | 4 |
USB ports | USB-A |
Exact USB ports | USB-A 2.0 (4x), USB-A 3.2 Gen 1 (2x), USB-A 3.2 Gen 2 (2x) |
Power connectors | 24-pin ATX, 8-pin ATX 12V |
Country of origin | China |
Manufacturer commitment | RE100, SBTi |
Manufacturer compensation | According to RE100, the manufacturer ASUS fully compensates for its energy consumption, leading to a reduction in emissions. |
CO₂-Emission | 407,43 kg |
Climate contribution | EUR 6,05 |
Scope of delivery | SATA cable, Screws |
Length | 221 mm |
Width | 244 mm |
Height | 221 mm |
Weight | 1070 g |
Product Safety |
Length | 27 cm |
Width | 26.30 cm |
Height | 5 cm |
Weight | 1.08 kg |
30-day right of return
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Motherboards» category have a defect within the first 24 months?
Source: Galaxus- 1.Gigabyte2,4 %
- 1.MSI2,4 %
- 3.ASUS2,5 %
- 4.AsRock2,8 %
- 5.Supermicro3,2 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- 1.Biostar2 days
- 2.AsRock4 days
- 3.MSI5 days
- 4.ASUS8 days
- 5.Gigabyte9 days
Return rate
How often is a product of this brand in the «Motherboards» category returned?
Source: Galaxus- 1.MSI4,6 %
- 2.Gigabyte4,9 %
- 3.ASUS5 %
- 4.AsRock6 %
- 5.Biostar8,2 %