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ASRock B850M-X R2.0 AM5 mATX Mainboard

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Regularly: $159.00
On Sale: $149.46    Sale Ends: September 21st, 2025

Manufacturer: ASRock

AMD B850, AM5, 2 x DDR5 DIMM Slots, 256Mb AMI UEFI Legal BIOS, 7.1 CH HD Audio, Micro ATX

Availability
Ottawa Store: Inquire Online Here
National Warehouse (Shipping Availability):
Usually Ships in 24-48 Hours
Product # Manufacturer # UPC # Status
60028997 B850M-X R2.0 4711581490758 Active

Details

General Information
Summary The ASRock X-Series motherboard provides a high-value solution, balancing performance and versatility within a compact form factor. It’s highly capable in handling a wide range of tasks, from professional productivity to everyday usage, striking an excellent balance between affordability, reliability, and efficiency.

Power Phase Design
Featuring sturdy components and completely smooth power delivery to the CPU, offering enhanced performance for gamers.
Dr. MOS
Dr.MOS is an integrated power stage optimized for synchronous buck-set down voltage applications, delivering higher current and better thermal efficiency than traditional MOSFETs, ensuring enhanced stability.

6 Layer PCB
The 6 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus, it's able to support the latest memory modules with most extreme memory performance!

DDR5 XMP & EXPO Support
Derived from the “built for stable and reliable” designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all.

CIe Gen5 Blazing M.2
The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation, with a breathtaking 128Gb/s transfer speed, it is ready to unleash the full potential of future ultrafast SSDs.

Aluminum Heatsink
The first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation, especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance, hence ensure system stability and durability effortlessly.

Dragon 2.5 Gb/s LAN
The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.

Front USB 3.2 Gen1 Type-C
Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.

POLYCHROME RGB
This motherboard features onboard RGB headers and addressable RGB headers that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.

SignalRGB
SignalRGB unifies your RGB devices, offering seamless customization, game-reactive effects, macro automation, and system monitoring. The official partnership empowers ASRock motherboards with advanced lighting control, enhances compatibility with a diverse range of RGB devices, and provides greater customization flexibility.

Reinforced Steel Slot
[PCIe 5.0 Version]

The reinforced steel slot is capable of supporting PCI Express 5.0 standard. The various benefits include:
✔ Extra anchor points
✔ Stronger latch
✔ Ensure signal stability
✔ Make sure heavy graphics cards to be well-installed.

Dual Graphics Outputs
Complete with two types of most used connectors! Packed with a HDMI + DisplayPort combo, you have more graphics output options now.
Processor
Processor manufacturer AMD
Processor socket Socket AM5
Compatible processor series AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Memory
Supported memory types DDR5-SDRAM
Number of memory slots 2
Maximum internal memory 128 GB
Memory slots type DIMM
Memory channels Dual-channel
ECC сompatibility ECC & Non-ECC
Unbuffered memory Yes
Storage controllers
Supported storage drive interfaces M.2, SATA III
Internal I/O
USB 2.0 connectors 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors 1
Number of SATA III connectors 4
Front panel audio connector Yes
ATX Power connector (24-pin) Yes
CPU fan connector Yes
Number of CPU fan connectors 2
EPS power connector (8-pin) Yes
Number of EPS power connectors (8-pin) 1
TPM connector Yes
RGB LED pin header Yes
Rear panel I/O ports
USB 2.0 ports quantity 2
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 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 0
Ethernet LAN (RJ-45) ports 1
VGA (D-Sub) ports quantity 0
HDMI ports quantity 1
DVI-D ports quantity 0
DisplayPorts quantity 1
DisplayPort version 1.4
Network
Wi-Fi No
Ethernet LAN Yes
Ethernet interface type 2.5 Gigabit Ethernet
LAN controller Dragon RTL8125BG
Features
Component for PC
Motherboard form factor micro ATX
Motherboard chipset family AMD
Motherboard chipset AMD B850
Audio output channels 7.1 channels
Windows operating systems supported Windows 10 x64, Windows 11 x64
Expansion slots
PCI Express x1 (Gen 4.x) slots 1
PCI Express x16 (Gen 4.x) slots 1
PCI Express x16 (Gen 5.x) slots 1
Number of M.2 (M) slots 1
BIOS
BIOS type UEFI AMI
BIOS memory size 256 Mbit
Weight & dimensions
Width 244 mm
Depth 226 mm

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