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header-product Motherboard ASUS PRIME B850-PLUS-CSM AMD B850 Socket AM5 ATX
191.99 €

Motherboard ASUS PRIME B850-PLUS-CSM AMD B850 Socket AM5 ATX

Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 1
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 2
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 3
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 4
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 5
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 6
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 1
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 2
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 3
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 4
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 5
Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC Photo 6
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Motherboard ASUS PRIME B850-PLUS-CSM AMD B850 Socket AM5 ATX

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Motherboard ASUS PRIME B850-PLUS-CSM AMD B850 Socket AM5 ATX

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Short description

The ASUS PRIME B850-PLUS-CSM motherboard features the AMD B850 chipset and Socket AM5, supporting AMD Ryzen 7000, 8000, and 9000 series processors. It supports DDR5 memory up to 256 GB with DIMM slots, and offers M.2 and SATA III interfaces for HDD and SSD storage. With RAID support (0, 1, 5, 10), USB Type-A and Type-C connectors, and 2.5 Gigabit Ethernet, this ATX motherboard is designed for high performance and versatility.
Available at price 191.99 €: 5 pcs.
Total available for order: 102 pcs.
Warranty: 2 Years
SKU: 11417371
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
16.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
21.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.58 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
21.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 5.33 euros per month
Price for companies: 158.67€ Price is valid only for legal clients
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Product information

Description

The ASUS PRIME B850-PLUS-CSM is an ATX motherboard based on the AMD B850 chipset with Socket AM5, engineered to support AMD Ryzen 7000, 8000 and 9000 series processors. It accommodates up to 256 GB of DDR5 memory across four DIMM slots and provides multiple storage options including M.2 and SATA III with RAID 0/1/5/10 support. The board includes USB Type-A and Type-C ports, 2.5 Gigabit Ethernet connectivity and a feature set aimed at delivering balanced performance and expandability for workstation and commercial builds, including readiness for Advanced AI PC workloads.

Advantages

The PRIME B850-PLUS-CSM combines modern connectivity and storage flexibility with an AM5 platform: DDR5 memory support for higher bandwidth, M.2 and SATA III interfaces for NVMe and SATA drives, and RAID capability for data protection or performance. Integrated 2.5 GbE networking and a mix of USB Type-A and Type-C ports provide versatile I/O for peripherals and high-speed networking. Firmware and software tools included with the ASUS Prime series enable accessible system tuning and management for both builders and IT administrators.

Suitable for

  • Desktop workstation builds requiring AM5 compatibility and DDR5 memory
  • Small business or commercial systems that need reliable networking and manageability
  • PC DIY enthusiasts upgrading to Ryzen 7000/8000/9000 series CPUs
  • Systems that use NVMe and SATA storage with RAID configurations

Key specifications

  • Form factor: ATX
  • Chipset: AMD B850
  • CPU socket: Socket AM5 (supports AMD Ryzen 7000/8000/9000 series)
  • Memory: 4 x DIMM DDR5, up to 256 GB
  • Storage interfaces: M.2 and SATA III; RAID 0, 1, 5, 10 supported
  • Networking: 2.5 Gigabit Ethernet
  • I/O: USB Type-A and USB Type-C ports

How to use

Install the ASUS PRIME B850-PLUS-CSM into a compatible ATX chassis, seat an AM5-compatible Ryzen processor into the Socket AM5, and populate DDR5 DIMMs across the DIMM slots following the motherboard manual for optimal channel configuration. Connect storage devices to M.2 sockets or SATA III ports and configure RAID arrays in the BIOS if required. Attach power connectors from a suitable PSU, connect front-panel and peripheral cables, then enter the UEFI/BIOS to set boot order, memory profiles and enable any firmware features needed for system management or AI-related workloads.

Usage recommendations

For stable operation, use DDR5 modules listed on the ASUS support memory QVL, install the latest BIOS before deploying in production, and pair the board with a quality power supply that meets the processor TDP and system component requirements.

Specifications

Motherboard form factor:
ATX
Motherboard chipset:
AMD B850
Component for:
PC
Processor socket:
Socket AM5
Number of memory slots:
4
Maximum internal memory:
256 GB
Weight:
1.03 kg
Supported memory types:
DDR5-SDRAM
All features

Features

Motherboard form factor:
ATX
Motherboard chipset:
AMD B850
Component for:
PC
Audio output channels:
7.1
Cooling type:
Passive
Windows operating systems supported:
Windows 11, Windows 10 x64
Motherboard chipset family:
AMD
Product colour:
Multicolour

Processor

Processor manufacturer:
AMD
Processor socket:
Socket AM5

Memory

Number of memory slots:
4
Maximum internal memory:
256 GB
Supported memory types:
DDR5-SDRAM
Memory channels:
Dual-channel
Unbuffered memory:
Yes
Memory slots type:
DIMM
ECC сompatibility:
ECC & non-ECC

Expansion slots

Number of M.2 (M) slots:
3
PCI Express x16 (Gen 4.x) slots:
1
1st M.2 largest key size:
22110
1st M.2 highest PCI Express generation:
5.0

Graphics

Parallel processing technology support:
Not supported

Network

Ethernet LAN:
Yes
Wi-Fi:
No
Ethernet interface type:
2.5 Gigabit Ethernet

Internal I/O

USB 2.0 connectors:
2
S/PDIF out connector:
Yes
CPU fan connector:
Yes
Number of COM connectors:
1
ATX Power connector (24-pin):
Yes
Chassis intrusion connector:
Yes
Number of chassis fan connectors:
4
Front panel audio connector:
Yes
EPS power connector (8-pin):
Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectors:
2
Number of SATA III connectors:
4
Thunderbolt headers:
1
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
0
12V power connector:
Yes
RGB LED pin header:
Yes
Number of RGB LED pin headers:
3
Number of CPU fan connectors:
1
Number of water pump connectors:
1

Rear panel I/O ports

Line-in:
Yes
USB connector type:
USB Type-A, USB Type-C
USB 2.0 ports quantity:
2
Ethernet LAN (RJ-45) ports:
1
Microphone in:
Yes
VGA (D-Sub) ports quantity:
0
DVI-D ports quantity:
0
HDMI ports quantity:
1
DisplayPorts quantity:
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity:
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:
3
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
1

Storage controllers

RAID levels:
5, 10, 1
Supported storage drive types:
HDD & SSD
RAID support:
Yes
Number of storage drives supported:
7
Supported storage drive interfaces:
SATA III, M.2

BIOS

BIOS memory size:
256 Mbit
BIOS type:
UEFI AMI

Weight & dimensions

Width:
305 mm
Depth:
244 mm

Other features

Number of HDDs supported:
4
Weight:
1.03 kg
Package weight:
1240 g
Height:
48 mm

Packaging data

Package depth:
273 mm
Package height:
68 mm
Package width:
353 mm

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Stock data
Warehouse Stock Delivery to the store Store Price
WH115 5 16.07.2026 Best delivery 191.99 €
EU85 4 16.07.2026 Best delivery 197.49 €
EU3 44 16.07.2026 Best delivery 214.99 €
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Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH109 21 30.07.2026 229.99 €
191.99 €
Stock: 5
Delivery Date: 16.07.2026 Best delivery
Warehouse: WH115
197.49 €
Stock: 4
Delivery Date: 16.07.2026 Best delivery
Warehouse: EU85
214.99 €
Stock: 44
Delivery Date: 16.07.2026 Best delivery
Warehouse: EU3
215.49 €
Stock: 5
Delivery Date: 20.07.2026
Warehouse: WH353
217.99 €
Stock: 2
Delivery Date: 16.07.2026 Best delivery
Warehouse: EU16
224.99 €
Stock: 21
Delivery Date: 16.07.2026 Best delivery
Warehouse: WH94
Available only for legal entities
229.99 €
Stock: 21
Delivery Date: 30.07.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC cost, and is it available for purchase?

The price is 191.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 102 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Asus products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Asus service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: motherboard form factor, motherboard chipset, component for, processor socket, number of memory slots, maximum internal memory, weight, supported memory types, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Motherboard ASUS PRIME B850-PLUS-CSM, 90MB1LC0-M0EAYC?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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