ASRock B850I Lightning WiFi PHANTOM GAMING AMD AM5 Socket Motherboard

Regular price £199.97
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ASRock B850I Lightning WiFi PHANTOM GAMING AMD AM5 Socket Motherboard

ASRock B850I Lightning WiFi PHANTOM GAMING AMD AM5 Socket Motherboard

£199.97

ASRock Phantom Gaming B850I Lightning WiFi

Mini-ITX AM5 Gaming Motherboard

The ASRock Phantom Gaming B850I Lightning WiFi is a Mini-ITX motherboard designed for AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series processors, featuring PCIe Gen5, DDR5 support, advanced power design, and high-speed networking for compact gaming and productivity builds.


Key Features

  • AMD AM5 Ready
    Supports Ryzen 9000, 8000 and 7000 Series processors

  • Robust Power Design
    10+1+1 power phase, 110A SPS for VCore with enlarged heatsink armor

  • High-Speed DDR5 Memory

  • 2 x DDR5 DIMM slots, dual-channel
  • Supports ECC/non-ECC, un-buffered, up to 8200+ (OC)
  • Max system memory: 128 GB
  • Supports XMP and EXPO memory profiles

  • PCIe Gen5 for Graphics & Storage

  • 1 x PCIe 5.0 x16 slot (graphics)
  • 1 x Blazing M.2 (PCIe Gen5x4)
  • 1 x Hyper M.2 (PCIe Gen4x4)
  • Supports NVMe SSDs as boot disks

  • Premium Audio
    Realtek ALC1220 7.1 CH HD Audio Codec with Nahimic audio

  • Next-Gen Networking

  • Killer 2.5G LAN (E3100) with prioritization engine
  • 802.11axe Wi-Fi 6E module with Bluetooth 5.2 and MU-MIMO

  • Versatile USB Connectivity

  • Rear: USB 3.2 Gen2 Type-C, USB 3.2 Gen2 Type-A, USB 3.2 Gen1, USB 2.0
  • Front: USB 3.2 Gen1 Type-C, USB 3.2 Gen1, USB 2.0

  • Display Connectivity

  • 1 x HDMI 2.1 TMDS/FRL 8G
  • 1 x USB Type-C with DP-Alt Mode (DP 1.4 HBR3)

  • Convenience & Reliability

  • BIOS Flashback support with dedicated button
  • Flexible integrated I/O shield
  • ASRock Lightning Gaming Ports for low-latency peripherals
  • EZ Update with ASRock Auto Driver Installer

Highlight Technologies

10+1+1 Power Phase Design

VCore with SPS design delivers smoother and cleaner power to the CPU for stable performance.

Blazing M.2 (PCIe Gen5 x4)

Supports up to 2 x NVMe M.2 SSDs, including one PCIe Gen5x4 slot for ultra-fast storage.

Wi-Fi 6E (802.11axe)

Enhanced wireless with better throughput, lower latency, and extended 6 GHz band support (Windows 11, regional and router requirements apply).

USB Type-C (DP-Alt Mode)

USB Alternate Mode allows the USB Type-C port to carry both data and DisplayPort video output through a single cable.

Killer Ethernet E3100

Killer 2.5 Gbps LAN with prioritization engine optimizes networking for gaming and multimedia.

Lightning Gaming Ports

Specially designed USB ports optimized for high-speed mice and keyboards to reduce jitter and latency.


Specifications

Platform

Item Description
Form Factor Mini-ITX, 6.7" x 6.7" (17.0 cm x 17.0 cm)
PCB 8 Layer PCB
Chipset AMD B850
Unique Features PCIe Gen5 (Graphics, M.2), Dual Channel DDR5, Rock-Solid Durability, Flexible Integrated I/O Shield

CPU

Item Description
Socket AMD Socket AM5
Support Ryzen 9000, 8000 and 7000 Series Processors

Memory

Item Description
Memory Technology Dual Channel DDR5
Slots 2 x DDR5 DIMM
Capacity Up to 128 GB system memory
Supported Memory DDR5 ECC/non-ECC, un-buffered, up to 8200+ (OC)
Profiles Supports XMP & EXPO memory modules

Expansion Slots

Source Slot / Socket
CPU 1 x PCIe 5.0 x16 (PCIE1), supports x16 mode
Chipset 1 x Vertical M.2 (Key E) for type 2230 WiFi/BT PCIe module

PCIe Behavior
- PCIE1:
- Gen5x16 with Ryzen 9000 and 7000 Series
- Gen4x8 with Ryzen 8000 (Phoenix 1)
- Gen4x4 with Ryzen 8000 (Phoenix 2)

Graphics

Item Description
Integrated Graphics Integrated AMD RDNA graphics (support varies by CPU)
HDMI 1 x HDMI 2.1 TMDS/FRL 8G, HDR, HDCP 2.3, up to 4K 120 Hz
USB Type-C (DP-Alt) 1 x USB 3.2 Gen2 Type-C, DP 1.4 HBR3, up to 4K 60 Hz (DP-alt supports DP1.4a)

Audio

Item Description
Codec Realtek ALC1220 7.1 CH HD Audio with Content Protection
Design Impedance Sensing on rear out, individual PCB layers for R/L channels
Software Nahimic Audio

LAN

Item Description
Controller Killer E3100 2.5 Gigabit LAN
Speed 10/100/1000/2500 Mb/s
Software Support Killer LAN Software

Wireless LAN & Bluetooth

Item Description
Standard 802.11axe Wi-Fi 6E Module
Support IEEE 802.11 a/b/g/n/ac/ax/axe
Band Dual-Band 2x2 with extended 6 GHz band support
Wi-Fi 6E Notes Requires Windows 11, regional approval, and 6 GHz compatible router
Antennas 2 x antennas, 2T2R diversity technology
Bluetooth Bluetooth 5.2
MU-MIMO Supported

USB

Source Ports & Connectors
CPU 1 x USB 3.2 Gen2 Type-C (Rear) · 2 x USB 3.2 Gen2 Type-A (Rear)
Chipset 1 x USB 3.2 Gen1 Type-C (Front) · 3 x USB 3.2 Gen1 Type-A (1 Rear, 2 Front) · 6 x USB 2.0 (4 Rear, 2 Front)
  • All USB ports support ESD protection.
  • USB32_23 are Lightning Gaming Ports.
  • USB32_TC1 supports up to 40 Gb/s as a USB4 port with Ryzen 8000 (Phoenix 1 and Phoenix 2) processors.

Rear Panel I/O

  • 2 x Antenna Ports
  • 1 x HDMI Port
  • 1 x Optical SPDIF Out
  • 2 x USB 3.2 Gen2 Type-A (10 Gb/s)
  • 1 x USB 3.2 Gen2 Type-C (10 Gb/s, DP-alt mode supports DP1.4a)
  • 1 x USB 3.2 Gen1 Port
  • 4 x USB 2.0 Ports
  • 1 x RJ-45 Killer 2.5G LAN Port
  • 1 x BIOS Flashback Button
  • 1 x Line Out Jack (Gold)
  • 1 x Microphone In Jack (Gold)

Storage

Source Connector Mode / Speed
CPU 1 x Blazing M.2 (M2_1, Key M, 2280) PCIe Gen5x4 (128 Gb/s)
Chipset 1 x Hyper M.2 (M2_2, Key M, 2280) PCIe Gen4x4 (64 Gb/s)
Chipset 2 x SATA3 6.0 Gb/s connectors SATA storage
  • M2_1 is first priority for M.2 installation.
  • M2_1: Gen5x4 with Ryzen 9000 & 7000; Gen4x4 with Ryzen 8000 (Phoenix 1 & Phoenix 2).
  • Supports NVMe SSDs as boot disks.

RAID Support

  • SATA: RAID 0, RAID 1
  • M.2 NVMe: RAID 0, RAID 1, RAID 10
  • RAID 10 requires additional M.2 NVMe expansion cards.

Connectors

  • 1 x Thermistor Cable Header
  • 2 x Addressable LED Headers (5V, total up to 5V/3A, 15W LED Strip)
  • 1 x CPU Fan Connector (4-pin, Smart Fan Speed Control)
  • 1 x Chassis Fan Connector (4-pin, Smart Fan Speed Control)
  • 1 x AIO Pump Fan Connector (4-pin, Smart Fan Speed Control)
  • CPU_FAN1, CHA_FAN1, AIO_PUMP support up to 3A (36W)
  • Auto-detect 3-pin / 4-pin fans
  • 1 x 24-pin ATX Power Connector
  • 1 x 8-pin 12V Power Connector (Hi-Density)
  • 1 x Front Panel Audio Connector
  • 1 x USB 2.0 Header (supports 2 x USB 2.0 ports)
  • 1 x USB 3.2 Gen1 Header (supports 2 x USB 3.2 Gen1 ports)
  • 1 x Front Panel USB 3.2 Gen1 Type-C Header

BIOS

Item Description
Type 256Mb AMI UEFI Legal BIOS with GUI support
Features ASRock EZ Mode, Full HD UEFI, Instant Flash, Auto Driver Installer

Software & UEFI Utilities

  • ASRock Motherboard Utility (Phantom Gaming Tuning)
  • Killer Control Center
  • ASRock Polychrome SYNC

Operating System Support

  • Microsoft Windows 10 64-bit
  • Microsoft Windows 11 64-bit

Certifications

  • FCC
  • CE
  • ErP/EuP ready (ErP/EuP ready power supply required)

Accessories Included

  • 2 x SATA Data Cables
  • 2 x ASRock WiFi 2.4/5/6 GHz Antennas
  • 2 x Screws for M.2 Sockets
  • 1 x Thermistor Cable