Asus Prime B850M-F WIFI (Socket AM5) DDR5 Micro-ATX Motherboard
Product Technical Specification
| Form Factor | |
| Motherboard formfactor | Micro-ATX |
| Wi-Fi & LAN | |
| LAN | Yes |
| LAN Ports | 1x 2.5 Gbit/s |
| Wi-Fi / Bluetooth | Yes |
| Motherboard | |
| Motherboard Chipset | AMD B850 |
| CPU | |
| CPU Manufacturer | AMD |
| CPU Socket | AM5 |
| Colour | |
| Primary Colour | Black |
| Lighting | |
| Lighting / RGB | Yes |
| Fan Header | |
| 4 Pin Fan Connectors | 6 |
| Memory | |
| Max. Memory | 256 GB |
| Memory Type | DDR5 |
| Memory Form Factor | DIMM |
| Memory slots | 4x |
| Internal Ports | |
| CPU Power Supply | 1x 4-Pin + 1x 8-Pin |
Delivery Options
Economy Delivery (UK)
Business Express
| Model | PRIME B850M-A WIFI |
|---|---|
| CPU | AMD Socket AM5 for AMD Ryzen™ 9000, 8000 & 7000 Series Desktop Processors. * Refer to ASUS Support for CPU support list. |
| Chipset | AMD B850 Chipset |
| Memory |
4 x DIMM slots, max. 256GB DDR5 Supports up to 8000+MT/s (OC) Dual Channel Architecture Supports ECC and Non-ECC Un-buffered DIMM AMD EXPO™ & ASUS Enhanced Memory Profile (AEMP) support * Non-ECC, un-buffered DDR5 memory supports On-Die ECC function. |
| Graphics |
2 x DisplayPort (max. 8K@30Hz, DisplayPort 1.4) 1 x HDMI™ port (4K@60Hz, HDMI 2.1) * Graphics specifications may vary by CPU. |
| Expansion Slots |
AMD Ryzen™ 9000 & 7000 Series: 1 x PCIe 5.0 x16 (x16 mode) AMD Ryzen™ 8000 Series: 1 x PCIe 4.0 x16 (x8/x4 mode) AMD B850 Chipset: 1 x PCIe 4.0 x16 (x1 mode) * See PCIe bifurcation table for details. |
| Storage |
3 x M.2 slots, 4 x SATA 6Gb/s ports Ryzen™ 9000 & 7000: M.2_1 – PCIe 5.0 x4 M.2_2 – PCIe 4.0 x4 Ryzen™ 8000: M.2_1 – PCIe 4.0 x4 M.2_2 – PCIe 4.0 x4/x2 B850 Chipset: M.2_3 – PCIe 4.0 x4 (2242/2260/2280) AMD RAIDXpert2 Technology Ryzen™ 9000: RAID 0/1/5/10 Ryzen™ 8000: RAID 0/1 Ryzen™ 7000: RAID 0/1/10 |
| Ethernet | 1 x Realtek 2.5Gb Ethernet with ASUS LANGuard |
| Wireless & Bluetooth |
Wi-Fi 6E (802.11ax), 2x2, supports 2.4/5/6GHz Bluetooth® v5.3 * Wi-Fi 6E availability varies by region. |
| USB |
Rear I/O (8 ports): 2 x USB 10Gbps Type-A 2 x USB 5Gbps Type-A 4 x USB 2.0 Type-A Front (7 ports): 1 x USB 5Gbps Type-C 1 x USB 5Gbps header (2 ports) 2 x USB 2.0 headers (4 ports total) |
| Audio |
Realtek 7.1 Surround Sound HD Audio CODEC Jack-detection, Multi-streaming, Front Panel Jack-retasking 24-Bit/192 kHz playback Audio Shielding, Premium capacitors, Dedicated audio PCB layers |
| Back Panel I/O |
2 x USB 10Gbps (Type-A), 2 x USB 5Gbps (Type-A), 4 x USB 2.0 (Type-A) 2 x DisplayPort, 1 x HDMI™, 1 x Wi-Fi module 1 x Realtek 2.5Gb LAN, 3 x Audio jacks 1 x BIOS FlashBack™ button |
| Internal I/O |
1 x 4-pin CPU Fan, 1 x 4-pin CPU OPT, 1 x 4-pin AIO Pump 3 x 4-pin Chassis Fan headers 24-pin Main Power, 8-pin +12V CPU, 4-pin +12V CPU 3 x M.2 slots, 4 x SATA 6Gb/s RGB/ARGB, TPM, COM, Front Panel Audio, Clear CMOS, S/PDIF, System Panel headers |
| Special Features |
ASUS 5X PROTECTION III, ASUS Q-Design, ASUS Thermal Solution, ASUS EZ DIY Aura Sync RGB |
| Software |
Armoury Crate (Aura Creator, Aura Sync, Fan Xpert 2+) ASUS AI Advisor, Driver Hub, GlideX, TurboV Core, CPU-Z Norton 360 Deluxe (60 Days), WinRAR (40 Days) |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
| Manageability | WOL by PME, PXE |
| Accessories |
2 x SATA 6Gb/s cables 1 x ASUS WiFi Q-Antenna 1 x M.2 rubber package 2 x M.2 SSD screw packages 1 x Quick start guide |
| Operating System | Windows® 11, Windows® 10 64-bit |
| Form Factor | mATX (24.4 cm x 24.4 cm / 9.6 inch x 9.6 inch) |
| Form Factor | |
| Motherboard formfactor | Micro-ATX |
| Wi-Fi & LAN | |
| LAN | Yes |
| LAN Ports | 1x 2.5 Gbit/s |
| Wi-Fi / Bluetooth | Yes |
| Motherboard | |
| Motherboard Chipset | AMD B850 |
| CPU | |
| CPU Manufacturer | AMD |
| CPU Socket | AM5 |
| Colour | |
| Primary Colour | Black |
| Lighting | |
| Lighting / RGB | Yes |
| Fan Header | |
| 4 Pin Fan Connectors | 6 |
| Memory | |
| Max. Memory | 256 GB |
| Memory Type | DDR5 |
| Memory Form Factor | DIMM |
| Memory slots | 4x |
| Internal Ports | |
| CPU Power Supply | 1x 4-Pin + 1x 8-Pin |
Buykingston order despatch times:
We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.
These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).
We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.
Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.
Despatch times do not apply to UK public holidays.
Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.
Our warehouse reserves the right to upgrade the delivery method you select on your order.
Our available delivery options*
Contact us for a shipping quote.
*All delivery times are estimated unless stated.
Product Returns Note
Buykingston offers a simple, hassle-free returns policy. If for whatever
reason you are not happy with the item purchased, you can return it to us
within 14 days of receipt for a refund. This applies to items purchased
direct through Buykingston only.
Our 14 Day Returns Money Back Guarantee:
For items returned in resaleable condition, with all original packaging. If
an item has been opened for inspection but shows signs of use beyond that, a
deduction may apply to reflect the reduced value — see our full
Terms & Conditions
(Section 12) for details.
Some items are excluded from our money-back guarantee unless they have developed a fault. These include:
- Headphones
- Earphones
- Custom made and designed products, such as flash memory products with
custom logos on them, e.g. USB flash drives and memory cards with your own
logo
Returns FAQs
What is your returns criteria?
14 days from date of receipt, or expected date of receipt on non-tracked
items.
How do I go about returning my order?
Please contact us
via our contact page with your order number. We will provide you with an RMA
number and return instructions, including your return deadline and whether a
freepost label applies to your order.
Do I need to contact you before returning my order?
Yes, to obtain an RMA number before sending anything back.
Does my item have to include its original packaging?
Yes, to qualify for our 14 day money-back guarantee. For faulty items, we
understand you may no longer have the original packaging.
Who pays for return postage?
If your item is faulty, damaged, or not as described, we cover reasonable
return postage, or provide a freepost label where available. If you are
returning an item for another reason (including simply changing your mind),
you are responsible for return postage unless we have expressly confirmed a
freepost label in your RMA email — we recommend using a tracked and
insured service for items of significant value.
Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer
directly for assistance.
Please ensure you have read and comply in full with Sections 11–13 of our Terms & Conditions.