- Socket: AM5
- CPU Compatibility: AMD Ryzen 9000 / 8000 / 7000 Series
- Chipset: AMD B850
- Form Factor: Mini-ITX
- Memory Slots: 2x DDR5
- M.2 Compatibility: 1x PCIe Gen5 x4 + 1x PCIe Gen4 x4
- Wi-Fi: Yes (Wi-Fi 6E + Bluetooth 5.2)
ASRock B850I Lightning WiFi Motherboard (Phantom Gaming)A premium AMD AM5 Mini-ITX motherboard based on the B850 chipset, designed for compact high-performance builds. Supports Ryzen 7000, 8000, and 9000 Series processors. Features two DDR5 slots (up to 128GB, DDR5-8200+ OC, XMP + EXPO), one PCIe 5.0 x16 GPU slot, one PCIe Gen5 x4 M.2 (Blazing, CPU-direct), one PCIe Gen4 x4 M.2 (Hyper, chipset), and two SATA3 ports. Networking: Killer E3100G 2.5GbE LAN and Wi-Fi 6E (802.11axe) with Bluetooth 5.2. Display: HDMI 2.1 (up to 4K@120Hz) and USB-C with DP 1.4a (up to 4K@60Hz) — requires APU or discrete GPU with display output. Includes BIOS Flashback, 2x ARGB headers, AIO pump header, and 10+1+1 phase 110A VCore power design.
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Tracked delivery across the UK
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Key FeaturesSocket: AM5; Chipset: AMD B850
CPU support: AMD Ryzen 7000 / 8000 / 9000 Series
Form factor: Mini-ITX (17.0 x 17.0cm); 8-layer PCB
Memory: 2x DDR5 DIMM; max 128GB; up to DDR5-8200+(OC); XMP + EXPO support
GPU slot: 1x PCIe 5.0 x16 (note: runs at Gen4x8 or Gen4x4 with Ryzen 8000 Phoenix)
M.2 storage: 1x Blazing M.2 PCIe Gen5 x4 (128Gb/s, CPU-direct); 1x Hyper M.2 PCIe Gen4 x4 (64Gb/s, chipset)
Note: M.2_1 runs at Gen4x4 with Ryzen 8000 Phoenix processors
SATA: 2x SATA3 6Gb/s (RAID 0/1)
Display (APU): HDMI 2.1 (max 4K@120Hz); USB-C DP 1.4a (max 4K@60Hz)
LAN: Killer E3100G 2.5GbE
Wi-Fi: 802.11axe Wi-Fi 6E (2.4/5/6GHz); Bluetooth 5.2
USB rear: 2x USB 3.2 Gen2 Type-A, 1x USB 3.2 Gen2 Type-C (USB4 40Gb/s with Ryzen 8000), 1x USB 3.2 Gen1, 4x USB 2.0
Audio: Realtek ALC1220 7.1 CH HD + Nahimic Audio
Power: 10+1+1 phase, 110A SPS VCore; 24-pin ATX + 8-pin 12V
Fan headers: 1x CPU (4-pin), 1x Chassis (4-pin), 1x AIO Pump (4-pin)
RGB: 2x Addressable LED (ARGB) headers
BIOS: Flashback button; AMI UEFI; ASRock Instant Flash
Technical SpecificationsModel: B850I Lightning WiFi
Socket: AMD AM5
Chipset: AMD B850
Form Factor: Mini-ITX
Memory: 2x DDR5 DIMM; max 128GB; DDR5-8200+(OC)
PCIe GPU: 1x PCIe 5.0 x16
M.2: 1x PCIe Gen5 x4 (Blazing); 1x PCIe Gen4 x4 (Hyper)
SATA: 2x SATA3 6Gb/s
Display Output: 1x HDMI 2.1 (4K@120Hz), 1x USB-C DP 1.4a (4K@60Hz)
USB (Rear): 2x USB 3.2 Gen2 Type-A, 1x USB 3.2 Gen2 Type-C, 1x USB 3.2 Gen1, 4x USB 2.0
LAN: Killer E3100G 2.5GbE
Wi-Fi: Wi-Fi 6E (802.11axe); Bluetooth 5.2
Audio: Realtek ALC1220 7.1 CH HD + Nahimic
Power Phases: 10+1+1 (110A SPS VCore)
Optical SPDIF: Yes (rear)
RGB: 2x ARGB headers
Dimensions: 17.0 x 17.0cm
Package ContentsB850I Lightning WiFi motherboard
2x SATA data cables
2x Wi-Fi antennas (2.4/5/6GHz)
2x M.2 screws
1x Thermistor cable
Product IdentificationModel: B850I Lightning WiFi
MPN: B850I Lightning WiFi
EAN: 4711581490130
Delivery & Fulfilment
This product is sold by TechFinder UK, a UK-based sole trader business.
All hardware is sourced through established distribution partners.
Orders are dispatched within 1–2 business days with tracked delivery across the United Kingdom.
Why Buy from TechFinder UK?
- UK-based sole trader — genuine products, real accountability
- Sourced through established distribution partners
- Secure checkout with buyer protection
- Tracked UK delivery, dispatched within 1–2 business days
- Pre- and post-purchase support available