General Information for Asrock Motherboards
Asrock B850M Pro-A, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series, Socket AM5, DDR5-SDRAM, 256 GB
B850M Pro-A
Pro-A series is designed for enhanced stability, durability, and efficiency, it offers reliable performance, user-friendly features and a streamlined aesthetic, making it ideal for daily computing needs.
- Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
- 8+2+1 Phase Power Design, Dr.MOS for VCore+SOC+MISC
- 4 x DDR5 DIMMs
- Supports Dual Channel, up to 8000+ (OC)
- 1 PCIe 5.0 x16, 1 PCIe 4.0 x4, 1 M.2 Key E for WiFi
- Graphics Output Options: 1 HDMI, 1 DisplayPort
- Realtek ALC897 7.1 CH HD Audio Codec
- 1 Blazing M.2 (PCIe Gen5x4)
- 2 Hyper M.2 (PCIe Gen4x4)
- 4 SATA3
- 1 USB 3.2 Gen2 Type-C (Rear)
- 1 USB 3.2 Gen2 Type-A (Rear)
- 1 USB 3.2 Gen1 Type-C (Front)
- 6 USB 3.2 Gen1 (2 Rear, 4 Front)
- 8 USB 2.0 (4 Rear, 4 Front)
- Realtek 2.5G LAN
- Supports BIOS Flashback
Performance
High Speed M.2 Solution
- PCIe 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.
- Hyper M.2 Gen4 x4 - Supports PCI Express 4.0 M.2 SSDs, it is capable of perform twice the speed compared to previous 3rd generation, giving a lightning fast data transferring experience.
Cooling
- 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.
- PWM/DC Fan Support - ASRock fan headers automatically detect whether fans are running in DC or PWM mode, allowing users to fine-tune the fan curve and achieve quieter operation.
- Fan-Tastic Tuning - ASRock A-Tuning Fan-Tastic Tuning function enables users to auto-detect the minimum duty of each fan with a single click. Users can also easily adjust the fan curve via the visualized UI interface, meeting their system's cooling performance and noise reduction requirements.
Connectivity
- 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.
- Dual Graphics Outputs - Complete with two types of most used connectors! Packed with a HDMI + DisplayPort combo, you have more graphics output options now.
Stylish Design
- 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.
EZ Setting
- Auto Driver Installer - No need to worry about lack of disk drive! Asrock preinstall LAN driver to ensure that you are able to install all drivers needed in an easier way than using SCD.
- BIOS Flashback - Get the most convenient BIOS flashing with just a simple click. Users can easily achieve the latest BIOS support with a USB and power supply, No CPU, RAM or other components required.
B850M Pro-A
Further details for this product, B850M Pro-A, can be found at the manufacturer website. Please note, these web addresse(s) are supplied by 3rd parties, Quzo UK is not responsible for the content.
Micro ATX, Socket AM5, AMD B850 chipset, 4 x DDR5 DIMM, 7.1 ch audio, 2.5 Gigabit LAN, AMI UEFI BIOS
Asrock B850M Pro-A. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 256 GB, Memory slots type: DIMM. Supported storage drive interfaces: PCI Express 4.0, PCI Express 5.0, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10. Maximum resolution: 3840 x 2160 pixels. USB connector type: USB Type-A, USB Type-C
Warranty information: 2 Year Return to Base Warranty.
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Asrock B850M Pro-A AMD B850 Socket AM5 micro ATX B850M PRO-A Specifications
Product Type
Motherboards
Brand
Asrock
Collection Model Asrock B850M Pro-A
Manufacturer Product Type
Asrock Motherboards
Manufacturer Product Type
AMD Motherboards
Product colour
Black
Product colour Multicoloured
Product Family B850M Pro-A
Processor socket
Socket AM5
Processor manufacturer
AMD
Maximum Resolution 3840 x 2160 Pixels
Motherboard chipset AMD B850
Parallel processing technology support Not supported
Supported memory types DDR5-SDRAM
Number of memory slots 4
Maximum internal memory 256 GB
Memory slots type DIMM
ECC ompatibility ECC & Non-ECC
Unbuffered memory Yes
Number of storage drives supported 7
RAID support Yes
Supported storage drive types HDD & SSD
Supported storage drive interfaces PCI Express 4.0, PCI Express 5.0, SATA III
RAID levels 0, 1, 10
Ethernet LAN Yes
Ethernet interface type 2.5 Gigabit Ethernet
LAN controller Dragon RTL8125BG
Wi-Fi No
HDMI ports quantity 1
Ethernet LAN (RJ-45) ports 1
DisplayPorts quantity 1
DVI-D ports quantity 0
HDMI version 2.1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 1
USB 2.0 ports quantity 4
Number of SATA III connectors 4
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
Line-in Yes
Microphone in Yes
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 1
Headphone outputs 3
DisplayPort version 1.4
USB connector type USB Type-A, USB Type-C
HDCP Yes
VGA (D-Sub) ports quantity 0
PCI Express x4 (Gen 4.x) slots 1
PCI Express x16 (Gen 5.x) slots 1
Number of M.2 (M) slots 3
1st M.2 largest key size 2280
1st M.2 highest PCI Express generation 5.0
2nd M.2 largest key size 2280
2nd M.2 highest PCI Express generation 4.0
3rd M.2 largest key size 2280
3rd M.2 highest PCI Express generation 4.0
Windows operating systems supported Windows 10 x64, Windows 11 x64
Width 244 mm
Depth 244 mm
USB 2.0 connectors 2
USB 3.2 Gen 2 (3.1 Gen 2) connectors 0
Front panel audio connector Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectors 3
ATX Power connector (24-pin) Yes
CPU fan connector Yes
Number of chassis fan connectors 3
Number of CPU fan connectors 2
EPS power connector (8-pin) Yes
Number of EPS power connectors (8-pin) 1
12V power connector Yes
TPM connector Yes
RGB LED pin header Yes
Number of RGB LED pin headers 1
Compatible processor series AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Audio chip Realtek ALC897
Supported processor sockets Socket AM5
Audio output channels 7.1 channels
BIOS type UEFI AMI
BIOS memory size 256 Mbit
Component for PC
Motherboard chipset family AMD
Memory channels Dual-channel
Certification FCC, CE, ErP/EuP
Features RGB Lighting
Screws included Yes
Motherboard form factor Micro ATX
MPN B850M PRO-A
Video Inputs DisplayPort
Asrock B850M Pro-A AMD B850 Socket AM5 micro ATX B850M PRO-A Reviews
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