Close

Asrock b860m pro-a micro-atx motherboard lga1851 b860 ddr5 pcie 5.0 3x m.2 2.5GBe black 90-mxbrr0-a0uayz

Product image: Asrock b860m pro-a micro-atx motherboard lga1851 b860 ddr5 pcie 5.0 3x m.2 2.5GBe black 90-mxbrr0-a0uayz-null
Product image: Asrock b860m pro-a micro-atx motherboard lga1851 b860 ddr5 pcie 5.0 3x m.2 2.5GBe black 90-mxbrr0-a0uayz-null
Product image: Asrock b860m pro-a micro-atx motherboard lga1851 b860 ddr5 pcie 5.0 3x m.2 2.5GBe black 90-mxbrr0-a0uayz-null
Product image: Asrock b860m pro-a micro-atx motherboard lga1851 b860 ddr5 pcie 5.0 3x m.2 2.5GBe black 90-mxbrr0-a0uayz-null
Product image: Asrock b860m pro-a micro-atx motherboard lga1851 b860 ddr5 pcie 5.0 3x m.2 2.5GBe black 90-mxbrr0-a0uayz-null
ASROCK
🔥Selling fast!

Asrock b860m pro-a micro-atx motherboard lga1851 b860 ddr5 pcie 5.0 3x m.2 2.5GBe black 90-mxbrr0-a0uayz

from €166.46 to - 10% - 10% €149.81
or
Pay in 3, 6 or 9 interest-free monthly installments and 0 service fees with Fleksy image
Select Color: Black
In stock
–+
–+
298
Points earned
You can earn Antamivi points every time you make a payment using your Bank of Cyprus cards.
The number of Antamivi points and the corresponding amount of money displayed are indicative and may vary from time to time. Want to know more? Check out our FAQs here.
If you are an eligible member of the Bank of Cyprus loyalty scheme Pronomia, you will receive additional Antamivi points based on your assigned tier.
From: Singular Computers Systems LTD
Buy more from this shop
Delivery options
Pick-up points / Lockers
Est. delivery: 03 Aug - 04 Aug
Free
Delivery to your door
FREE shipping on orders over €85.00 from Singular Computers Systems LTD
Est. delivery: 03 Aug - 05 Aug
Free

Description

Item No. e50362c2-9e52-476f-94f9-ccee75d7a466
ASRock B860M Pro-A — Value Micro-ATX LGA1851 Motherboard A compact, budget-friendly B860 Micro-ATX board for Intel Core Ultra Series 2, keeping PCIe 5.0, DDR5, three M.2 slots and 2.5GBE networking in a smaller footprint. Intel B860 · LGA1851DDR5 up to 8666+ MHz OCPCIe 5.0 · 3× M.22.5GBE LAN The ASRock B860M Pro-A (part number 90-MXBRR0-A0UAYZ, EAN 4711581490291) is a Micro-ATX motherboard for Intel® Core™ Ultra Series 2 processors on the LGA1851 socket, built on the B860 chipset and tuned by t

Attributes

Motherboard Characteristics

  • Processor Socket: Socket 1851

Details

ASRock B860M Pro-A — Value Micro-ATX LGA1851 Motherboard

A compact, budget-friendly B860 Micro-ATX board forIntel Core Ultra Series 2, keeping PCIe 5.0, DDR5, three M.2 slots and 2.5GBE networking in a smaller footprint.
Intel B860 · LGA1851DDR5 up to 8666+ MHz OCPCIe 5.0 · 3× M.22.5GBE LAN
The ASRock B860M Pro-A (part number 90-MXBRR0-A0UAYZ, EAN 4711581490291) is a Micro-ATX motherboard for Intel® Core™ Ultra Series 2 processors on the LGA1851 socket, built on the B860 chipset and tuned by the Pro-A line for reliable everyday performance at the lowest cost. Despite its compact size it keeps a reinforced-steel PCIe 5.0 x16 slot, a Gen5 M.2 socket, three M.2 slots in total, DDR5 memory and a Dragon 2.5GBE LAN. Typically in stock with fast delivery across Cyprus.
Compatibility: Supports onlyIntel Core Ultra Series 2 (Arrow Lake) CPUs on the LGA1851 socket — not compatible with LGA1700 (12th–14th Gen) chips. Uses DDR5 memory only (no DDR4), with Intel XMP 3.0x profiles. Micro-ATX form factor (24.4 × 24.4 cm) fits Micro-ATX and larger ATX cases. Note: this model has no onboard Wi-Fi (an M.2 E-key slot is provided for an optional Wi-Fi module), no Thunderbolt, and B860 supports memory overclocking but not CPU core overclocking.

Best For

✓Compact, budget Core Ultra Series 2 builds
✓Micro-ATX cases and smaller desktop systems
✓Gamers wanting PCIe 5.0 graphics without a big spend
✓Fast, roomy storage with three M.2 slots plus four SATA
✓Wired setups using the Dragon 2.5GBE LAN
✓RGB builds using Polychrome SYNC and SignalRGB

Key Features

 
PCIe 5.0 & Three M.2
A reinforced steel PCIe 5.0 x16 slot plus one Gen5x4 and two Gen4x4 M.2 sockets give strong graphics and Generous fast storage in a compact board.
 
DDR5 Memory OC
Four DDR5 DIMM slots up to 256GB and 8666+ MHz OC with Intel XMP 3.0x and CUDIMM support for fast, stable memory tuning.
 
Dragon 2.5GBE & USB-C
A Dragon 2.5 Gigabit LAN with traffic prioritisation and a rear USB 3.2 Gen2x2 Type-C at 20GB/s for fast networking and external storage.
 
Reliable, DIY-Friendly Design
A 10+1+1+1+1 Dr.MOS VRM plus BIOS Flashback, Auto Driver Installer and Post Status Checker make building and updating quick and simple.

Technical Specifications

Identification
Part Number 90-MXBRR0-A0UAYZ
EAN / GTIN 4711581490291
Model ASRock B860M Pro-A
Platform
Socket Intel LGA1851 — for Core Ultra Series 2 (Arrow Lake) desktop CPUs
Chipset Intel B860
Power Delivery 10+1+1+1+1 phase, Dr.MOS — integrated power stage
Form Factor Micro-ATX — 24.4 × 24.4 cm; 6-layer PCB
Memory
Slots 4 × DDR5 DIMM, Dual Channel
Max Capacity 256GB
Speed Up to 8666+ MHz (OC), 5600 MHz native
Profiles Intel XMP 3.0x; CUDIMM supported
Expansion
PCIe 1 × PCIe 5.0 x16 (reinforced steel) + 1 × PCIe 4.0 x4
Wi-Fi Slot 1 × M.2 Key-E for optional Wi-Fi/BT module (not included)
Storage
M.2 Sockets 1 × PCIe Gen5x4 + 2 × PCIe Gen4x4 (3 total)
SATA 4 × SATA3 6.0GB/s
RAID RAID 0 / 1 / 5 / 10 (SATA)
Connectivity
Rear USB 1 × USB 3.2 Gen2x2 Type-C (20GB/s) + 3 × USB 3.2 Gen1 + 2 × USB 2.0
Display Out 1 × HDMI 2.1 (4K 120Hz) + 1 × DisplayPort 1.4 (8K 60Hz) — iGPU required
Wired LAN Realtek Dragon 2.5GBE (RTL8125BG)
Audio Realtek ALC897 7.1CH
Power & Compliance
Power Connectors 1 × 24-pin ATX + 1 × 8-pin + 1 × 4-pin 12V
Certifications FCC, CE, ErP/EuP
Operating System Microsoft Windows 11 64-bit

Frequently Asked Questions

Which CPUs does the B860M Pro-A support?
It supportsIntel Core Ultra Series 2 (Arrow Lake) processors on the LGA1851 socket. Older LGA1700 chips (12th–14th Gen Core) are not compatible.
Does it have Wi-Fi?
No onboard Wi-Fi. It provides an M.2 E-key slot so you can add an optional Wi-Fi/Bluetooth module, or use a USB Wi-Fi adapter, if you need wireless.
Will it fit my case?
It is a Micro-ATX board (24.4 × 24.4 cm), which fits Micro-ATX cases as well as larger Mid-Tower ATX cases — a flexible, space-saving choice.
Does it support DDR4 memory?
No. It uses DDR5 only — four DIMM slots up to 256GB, with speeds to 8666+ MHz OC and Intel XMP 3.0x profiles.
Singular Expert Insight
The B860M Pro-A is the entry point into the Core Ultra Series 2 platform: a compact Micro-ATX board that still keeps a reinforced-steel PCIe 5.0 slot, a Gen5 M.2 and three M.2 slots in total, which is Generous for the price. It drops onboard Wi-Fi and Thunderbolt to stay affordable — easily solved with a cheap Wi-Fi card or USB adapter if needed. For a small, dependable Core Ultra build on a budget it is a smart choice. Pair it with an XMP-rated DDR5 memory kit for the best performance.

Buyer's Guide

Buy it if
You want the most affordable, compact Micro-ATX Core Ultra board that still keeps PCIe 5.0, Gen5 M.2, three M.2 slots and 2.5GBE.
Skip it if
You need onboard Wi-Fi, Thunderbolt, premium audio, a full-size ATX board, or CPU core overclocking for a K-series chip.
Also consider
The ASRock B860 Pro-A WiFi (ATX) for onboard Wi-Fi, the B860 Lightning WiFi for Thunderbolt 4, or a Z890 board for CPU overclocking.