# Motherboard ASUS PRO WS B850M-ACE SE, AMD B850, Socket AM5, Micro ATX, 4×DIMM DDR5, 256GB, M.2/SATA III, 2.5G/1G/10G Ethernet

**URL:** https://aio.lv/en/product--asus-90mb1mn0-m0eay0--11591367
**Data updated:** 2026-02-23 13:21 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** 90MB1MN0-M0EAY0
**EAN:** 4711636258753
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 393.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 325.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90mb1mn0-m0eay0--11591367

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.89 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

ASUS PRO WS B850M-ACE SE is a micro ATX workstation motherboard with AMD B850 chipset and Socket AM5, supporting AMD Ryzen 7000/8000/9000 series processors. It offers four DIMM slots for DDR5 memory up to 256 GB, M.2 and SATA III storage with RAID 0/1/5/10, and multi-gig networking (2.5G, 1G and 10G). Suited for compact workstations, content creation and professional PC builds.

## Long description

ASUS PRO WS B850M-ACE SE is a Micro ATX workstation motherboard with the AMD B850 chipset and Socket AM5, designed to support AMD Ryzen 7000, 8000 and 9000 series processors. It provides four DDR5 DIMM slots with up to 256 GB total memory capacity, multiple M.2 and SATA III storage options with RAID 0/1/5/10 support, and multi-gig networking including 10G, 2.5G and 1G Ethernet ports. The board includes PCIe 5.0 connectivity, server-grade remote management support and a front USB 20Gbps Type-C connector, making it suitable for compact professional systems where reliability and expandability are required.
Advantages
The motherboard combines AM5 compatibility and a proven B850 platform to deliver stable performance for workstation tasks. DDR5 memory support and four DIMM slots allow large memory configurations up to 256 GB for demanding multitasking and content workflows. Multiple PCIe 5.0-capable expansion paths and M.2 storage slots provide high-bandwidth options for GPUs and NVMe SSDs. Integrated multi-gig Ethernet (10G/2.5G/1G) and server-grade BMC remote management enable flexible network and IT administration setups without relying solely on add-in cards.
Suitable for
 Compact workstations for content creation and video editing
 Professional desktop systems for software development and engineering
 AI workloads, machine learning prototypes and inference testbeds
 Small office and IT management systems requiring remote monitoring
 Storage-focused builds using M.2 and SATA arrays with RAID
Key specifications
 Form factor: Micro ATX
 Chipset: AMD B850
 Processor socket: Socket AM5 (supports AMD Ryzen 7000/8000/9000 series)
 Memory: 4× DDR5 DIMM slots, up to 256 GB total
 Expansion: PCIe 5.0 slots for graphics and add-in cards
 Storage: Multiple M.2 NVMe slots and SATA III ports; RAID 0/1/5/10 support
 Networking: 10 Gigabit Ethernet, 2.5 Gigabit Ethernet and 1 Gigabit Ethernet
 Connectivity: Front USB Type-C 20Gbps support and multiple USB ports
 Management: Onboard server-grade BMC remote management support
 BIOS: UEFI firmware with Clear CMOS button
How to use
Install the ASUS PRO WS B850M-ACE SE into a Micro ATX compatible chassis, secure with standard standoffs, and attach a compatible AM5 processor following the CPU cooler manufacturer’s instructions. Populate DDR5 memory modules across the four DIMM slots according to the board’s memory population guidelines to achieve optimal performance. Connect NVMe M.2 drives and SATA devices as required and configure RAID arrays in the UEFI BIOS if needed. Configure network settings for 10G/2.5G/1G interfaces and enable remote management through the onboard BMC and compatible IT management software where applicable.
Usage recommendations
For stable workstation operation, use matched DDR5 memory modules from the motherboard’s Qualified Vendor List and install up-to-date UEFI firmware and BMC drivers. Ensure adequate chassis airflow and a compatible power supply that meets the combined requirements of the CPU, expansion cards and storage devices. When deploying for AI or server-adjacent tasks, verify driver and software compatibility for PCIe 5.0 devices and configure network interfaces according to your infrastructure needs.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | Micro 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 |
| Power source type | ATX |

| Feature | Value |
|---|---|
| Product colour | Black |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |

### Memory

| Feature | Value |
|---|---|
| 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 |
| Supported memory clock speed (max) | 8000 MHz |
| Maximum internal memory per slot | 64 GB |
| ECC сompatibility | ECC & non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 highest PCI Express generation | 5.0 |

### Graphics

| Feature | Value |
|---|---|
| Maximum resolution | 7680 x 4320 |
| Parallel processing technology support | Not supported |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Ethernet interface type | 10 Gigabit Ethernet, Gigabit Ethernet, 2.5 Gigabit Ethernet |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 3 |
| CPU fan connector | Yes |
| Number of COM connectors | 1 |
| ATX Power connector (24-pin) | Yes |
| Chassis intrusion connector | Yes |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | Yes |
| TPM connector | Yes |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| EPS power connector (8-pin) | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Number of SATA III connectors | 4 |
| Clear CMOS button | Yes |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Front panel connector | Yes |
| 12V power connector | Yes |
| Number of CPU fan connectors | 1 |
| Number of water pump connectors | 1 |
| Number of EPS power connectors (8-pin) | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| Line-in | Yes |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 3 |
| Headphone outputs | 1 |
| VGA (D-Sub) ports quantity | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 3 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 2 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 5, 1, 10 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 6 |
| Supported storage drive interfaces | M.2, SATA III |

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 512 Mbit |
| BIOS type | UEFI AMI |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 244 mm |
| Depth | 244 mm |

### Other features

| Feature | Value |
|---|---|
| Number of HDDs supported | 4 |
| Supported processor sockets | Socket AM5 |
| DisplayPort version | 1.4 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA |
| Screws included | Yes |

## FAQ

### How much does the ASUS PRO WS B850M-ACE SE motherboard cost, and is it available for purchase?

The price is 393.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 189 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 30.06.2026 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 ASUS PRO WS B850M-ACE SE motherboard be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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. More information about warranty service: https://aio.lv/en/warranty

### 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, 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 ASUS PRO WS B850M-ACE SE motherboard?

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.

## Image

https://aio.lv/img/cache/product/11591367/67070136_large.webp