ASUS PRIME B850-PLUS-CSM
AM5, AMD B850, ATXMore than 10 pieces in stock at supplier
Product details
ASUS Prime series motherboards are expertly designed to realise the full potential of AMD Ryzen 9000 series processors. The PRIME B850-PLUS-CSM motherboard offers users and PC DIY builders a range of performance optimisations through intuitive software and firmware functions. It is designed to be advanced AI PC-ready, providing the performance and connectivity required for demanding AI applications.
Processor family | Ryzen 7th Gen, Ryzen 8th Gen, Ryzen 9th Gen |
Memory type | DDR5 RAM |
Number of memory modules (RAM) | 4 x |
Internal connection options | M.2 PCIe (3x), S-ATA III (4x) |
Mainboard features | Front panel audio connector, Thunderbolt header |
Item number | 57493475 |
Manufacturer | ASUS |
Category | Motherboards |
Manufacturer no. | 90MB1LC0-M0EAYC |
Release date | 8.4.2025 |
Form factor | ATX |
Socket | AM5 |
Chipset | AMD B850 |
Mainboard features | Front panel audio connector, Thunderbolt header |
Operating system compatibility | Windows 10 |
BIOS type | UEFI AMI |
Processor family | Ryzen 7th Gen, Ryzen 8th Gen, Ryzen 9th Gen |
Memory form factor | DIMM |
Number of memory modules (RAM) | 4 x |
Max. memory (RAM) | 256 GB |
Memory chip | DDR5-5200 |
Memory type | DDR5 RAM |
RAM buffer | Unbuffered |
Video connections | DisplayPort (1x), HDMI (1x) |
Network connections | RJ45 2.5 Gigabit Ethernet (1x) |
Ethernet controller | Gigabit Ethernet |
Max. port speed | 2.50 Gbit/s |
Audio channel | 7.1 Channel |
RAID configuration | 0, 1, 10 |
Internal connection options | M.2 PCIe (3x), S-ATA III (4x) |
Expansion slot | PCI Express x16 (Gen 4) (1x), PCI Express x16 (Gen 5) (1x) |
PCI express version (max.) | 5 |
Number of fan connector | 4 |
USB ports | USB-A, USB-C |
Exact USB ports | USB-A 2.0 (2x), USB-A 3.2 Gen 1 (2x), USB-A 3.2 Gen 2 (3x), USB-C 3.2 Gen 2 (1x) |
Country of origin | Taiwan |
CO₂-Emission | |
Climate contribution |
Scope of delivery | 1 piece |
Length | 244 mm |
Width | 305 mm |
Height | 48 mm |
Weight | 1030 g |
Length | 45 cm |
Width | 12 cm |
Height | 35 cm |
Weight | 600 g |
Product Safety |
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- 2.Gigabyte2,7 %
- 3.AsRock2,8 %
- 3.ASUS2,8 %
- 5.Supermicro3 %
- 6.NZXT4,5 %
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- 3.MSI2 days
- 3.Supermicro2 days
- 5.Gigabyte6 days
- 6.NZXT8 days
- 7.ASUS9 days
Return rate
How often is a product of this brand in the «Motherboards» category returned?
Source: Galaxus- 1.MSI4,8 %
- 2.ASUS5 %
- 3.Gigabyte5,1 %
- 4.NZXT5,5 %
- 5.AsRock6,2 %