ASRock B850I Lightning WiFi Mini-ITX Motherboard Socket AM5 AMD B850 DDR5
ASRock B850I Lightning WiFi Mini-ITX Motherboard Socket AM5 AMD B850 DDR5, photo 2
ASRock B850I Lightning WiFi Mini-ITX Motherboard Socket AM5 AMD B850 DDR5, photo 3
ASRock B850I Lightning WiFi Mini-ITX Motherboard Socket AM5 AMD B850 DDR5, photo 4
ASRock B850I Lightning WiFi Mini-ITX Motherboard Socket AM5 AMD B850 DDR5, photo 5
ASRock B850I Lightning WiFi Mini-ITX Motherboard Socket AM5 AMD B850 DDR5, photo 6
ASRock

ASRock B850I Lightning WiFi Mini-ITX Motherboard Socket AM5 AMD B850 DDR5

SKU HC-237030MPN 90-MXBQR0-A0UAYZ

  • AM5
  • B850
  • Mini-ITX

Highlights

  • AMD B850 chipset on AM5 socket supports Ryzen 9000, 8000, 7000 CPUs
  • Two DDR5 DIMM slots supporting up to 192 GB at 8200 MT/s OC
  • One PCIe 5.0 x16 slot and two M.2 slots (PCIe 5.0 and 4.0)
  • Killer 2.5 GbE LAN, Wi-Fi 6E, and Bluetooth 5.2
  • Realtek ALC1220 audio with front panel header
  • Three 4-pin PWM fan headers and VRM plus M.2 heatsinks

Key specs

Socket
AM5
Chipset
B850
Form factor
Mini-ITX
Memory
DDR5
Wi-Fi
Yes
Motherboard Chipset
AMD B850
All specifications
$159.99
  • ≈ 0.002074 BTC
  • ≈ 0.06987 ETH
  • ≈ 160.15 USDT

In stock Ships by Tue, Nov 10 when paid today.

  • Delivery to the United States: $39.90 DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today
  • Rate locked at checkout Up to 60 min to send BTC, 30 min for ETH and USDT
  • New, sealed and genuine Full manufacturer warranty
  • 30-day returns Unused items in original packaging
Pay with BTCETHUSDTTRC20USDTERC20

Overview

A Mini-ITX motherboard built on the AMD B850 chipset for socket AM5 processors. It supports Ryzen 7000, 8000, and 9000 series CPUs with DDR5 memory up to 8200 MT/s.

Compact AM5 Platform

The Mini-ITX form factor fits small chassis while delivering the AMD B850 chipset and AM5 socket. It accepts Ryzen 7000, 8000, and 9000 series processors with an 8-pin CPU power connector and robust VRM cooling for sustained loads.

Memory and Expansion

Two DIMM slots support up to 192 GB of DDR5 with AMD EXPO and Intel XMP profiles up to 8200 MT/s. A full-length PCIe 5.0 x16 slot handles modern GPUs, while one PCIe 5.0 and one PCIe 4.0 M.2 slot provide fast storage with dedicated heatsinks.

Connectivity and I/O

Rear I/O includes one USB 3.1 Type-C, two USB 3.1 Type-A, one USB 3.0 Type-A, and four USB 2.0 ports. Video outputs are HDMI and a USB Type-C with DisplayPort Alt Mode. Networking uses a Killer E3100G 2.5 GbE controller, Wi-Fi 6E, and Bluetooth 5.2.

Internal Headers and Features

Internal connectors provide one USB 3.1 Type-C header, one USB 3.0 header for two ports, one USB 2.0 header for two ports, and two 5V digital RGB headers. The board includes BIOS Flashback, Realtek ALC1220 audio, and three 4-pin PWM fan headers.

B850I Lightning WiFi Mini-ITX Motherboard Socket AM5 AMD B850 DDR5 specifications

General
BrandASRock
Manufacturer part no.90-MXBQR0-A0UAYZ
EAN4711581490130
Form Factor
Motherboard Form FactorMini-ITX
CPU
CPU ManufacturerAMD
CPU SocketAM5
Motherboard
Motherboard ChipsetAMD B850
Memory
Max. Memory128 GB
Memory TypeDDR5
Memory Form FactorDIMM
Max. Memory Speed (OC)8200 MT/s
ECC SupportYes
Memory slots2x
Performance ProfileAMD EXPO, Intel XMP
Wi-Fi & LAN
LANYes
LAN Ports1x 2.5 Gbit/s
LAN ChipKiller E3100G
Wi-Fi / BluetoothYes
Wi-Fi StandardWi-Fi 6E
Bluetooth Standard5.2
Cooling
M.2 HeatsinksYes
VRM HeatsinksYes
Internal Ports
CPU Power Supply1x 8-Pin
USB 3.0 / 3.1 / 3.2 (internal) Type C Header1
USB 3.0 / 3.1 / 3.2 (internal) Type C Possible Ports1
USB 3.0 (internal) Header1
USB 3.0 (internal) Possible Ports2
USB 2.0 (internal) Header1
USB 2.0 (internal) Possible Ports2
RGB / LED connectors2x Digital RGB (3-Pin 5VDG)
Front Panel Audio HeaderYes
SPI TPM HeaderNo
External Ports
USB 3.1 (external) Type C1
USB 3.1 (external) Type A2
USB 3.0 (external) Type A1
USB 2.0 (external) Type A4
Display ConnectorsHDMI (1x), USB Type C (Display Port shared) (1x)
Storage Ports
M.2 PCIe 4.0 x41
M.2 PCIe 5.0 x41
SATA 6G (internal)2
Expansion Slots
PCIe x16 slots (total)1
PCIe 5.0 x16 mechanical slot1
Fan Header
4 Pin Fan Connectors3
Audio
SoundchipRealtek ALC1220
Lighting
Lighting / RGBYes
Color
Primary ColorBlack

Specifications come from the manufacturer and can change without notice. Check the box contents and compatibility before ordering; our team answers questions within one business day.

Shipping & returns

Delivery to the United States: $39.90DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today

Ships from our warehouse in Germany: in stock, it leaves within 1–2 business days, tracked to the door.
ToBusiness daysThis item
GermanyDHL Paket1–2Free
Other EU countriesDHL Parcel International2–8$11.90–$15.90
UK, Switzerland and NorwayDHL Parcel International3–7$24.90
United States and CanadaDHL Express Worldwide2–5$39.90
Asia and the Middle EastDHL Express Worldwide2–5$49.90
Australia and New ZealandDHL Express Worldwide3–6$59.90
  • Discreet packaging Plain, unbranded box — no crypto or brand references outside
  • Returns 30 days for unused items in original packaging; faulty items are on us
Rates and delivery times by country

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