ASRock B850I Mini-ITX Gaming Motherboard
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About This Item
- ASRock B850I Lightning WiFi Mini-ITX motherboard
- Supports AMD AM5 Ryzen 9000, 8000 and 7000 Series Processors
- 10+1+1 Phase Power Design with 110A SPS for VCore
- 2 x DDR5 DIMM slots supporting up to 8200+ (OC) memory
- Killer 2.5G LAN with 802.11axe WiFi 6E and Bluetooth
- Compact Mini-ITX form factor: 6.7-in x 6.7-in
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ASRock B850I Lightning WiFi | Mini-ITX Powerhouse for Ryzen AM5
The ASRock B850I Lightning WiFi is a compact Mini-ITX motherboard designed for AMD Ryzen 9000, 8000, and 7000 series processors on the AM5 socket. This board combines cutting-edge PCIe 5.0 support, WiFi 6E connectivity, and a robust 10+1+1 power phase design in a space-saving form factor, making it ideal for high-performance gaming and content creation builds where every millimetre counts.
Key Specifications
| Metric | Spec. |
|---|---|
| Form Factor | Mini-ITX (6.7″ x 6.7″) |
| CPU Socket | AMD AM5 |
| Memory | 2x DDR5 slots, up to 8200+ (OC) MHz |
| PCIe | 1x PCIe 5.0 x16 |
| Storage | 1x PCIe 5.0 M.2, 1x PCIe 4.0 M.2 |
| Network | Killer 2.5GbE + WiFi 6E + BT 5.2 |
| Audio | Realtek ALC1220 7.1 CH with Nahimic |
PCIe 5.0 Graphics and Storage Ready
The B850I Lightning WiFi features a full PCIe 5.0 x16 slot, delivering double the bandwidth of PCIe 4.0 for the latest graphics cards. This ensures future-proof performance for 4K gaming and professional workloads. Paired with a Blazing M.2 socket supporting PCIe 5.0 x4, you can install the fastest NVMe SSDs available, dramatically reducing load times and improving system responsiveness.
Advanced Power Delivery for Stable Overclocking
Equipped with a 10+1+1 phase power design delivering 110A SPS to the VCore, this motherboard provides clean, stable power delivery even under heavy overclocking loads. The enlarged heatsink armour helps maintain optimal temperatures, while the SPS (Super Power Solution) design ensures smoother voltage regulation for consistent CPU performance during intensive tasks.
WiFi 6E and Killer Networking for Lag-Free Gaming
Built-in WiFi 6E (802.11axe) with a 6GHz band offers faster speeds and lower latency than previous Wi-Fi standards, perfect for online gaming and streaming. The Killer E3100 2.5GbE LAN port includes a prioritization engine that automatically manages network traffic, ensuring your game data gets top priority over other applications for a competitive edge.
Compact Design Without Compromise
Despite its Mini-ITX footprint, the B850I Lightning WiFi includes comprehensive connectivity: HDMI 2.1 and USB-C with DP-Alt Mode for multi-display setups, six USB ports (including USB 3.2 Gen2 Type-C), and dual M.2 slots for ample storage. The integrated I/O shield and ASRock Lightning Gaming Ports reduce setup time and improve peripheral responsiveness.
Box Contents
- 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
Check Before You Buy
- Confirm your CPU is an AMD Ryzen 9000, 8000, or 7000 series on AM5 socket
- Verify your case supports Mini-ITX motherboards (6.7″ x 6.7″)
- Check if your PSU has the required 24-pin ATX and 8-pin 12V connectors
- Ensure your Wi-Fi 6E router is 6GHz compatible for full wireless functionality
Frequently Asked Questions
Q: Does this motherboard support DDR4 memory?
A: No, it only supports DDR5 memory modules.
Q: Can I use a PCIe 4.0 graphics card in the PCIe 5.0 slot?
A: Yes, PCIe 5.0 slots are backward compatible with PCIe 4.0 and 3.0 devices.
Q: How many M.2 SSDs can I install?
A: You can install up to two M.2 SSDs – one PCIe 5.0 and one PCIe 4.0.
Q: Is Wi-Fi 6E supported in all countries?
A: Wi-Fi 6E availability depends on regional regulations and will be activated via Windows Update where supported.
Q: Does it come with RGB lighting control software?
A: Yes, it includes ASRock Polychrome SYNC for RGB lighting control.
The Consultant’s Verdict & Warranty
The ASRock B850I Lightning WiFi is an excellent choice for enthusiasts building compact, high-performance systems around AMD’s AM5 platform. Its combination of PCIe 5.0 support, robust power delivery, and advanced networking makes it suitable for both gaming and professional applications where space is limited but performance cannot be compromised. Covered by the standard Manufacturer Warranty.
| Weight | 1.1 kg |
|---|---|
| 12V power connector | Yes |
| USB 2.0 connectors | 1 |
| USB 3.2 Gen 1 3.1 Gen 1 connectors | 2 |
| Number of SATA III connectors | 2 |
| Number of chassis fan connectors | 1 |
| Front panel audio connector | Yes |
| EPS power connector 8-pin | Yes |
| CPU fan connector | Yes |
| ATX Power connector 24-pin | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |
| Number of EPS power connectors 8-pin | 1 |
| Number of water pump connectors | 1 |
| Number of RGB LED pin headers | 2 |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Processor socket | Socket AM5 |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0, SATA III |
| RAID levels | 1, 10 |
| Number of storage drives supported | 4 |
| RAID support | Yes |
| Parallel processing technology support | Not supported |
| USB 3.2 Gen 1 3.1 Gen 1 Type-A ports quantity | 1 |
| USB 3.2 Gen 2 3.1 Gen 2 Type-A ports quantity | 2 |
| USB 3.2 Gen 2 3.1 Gen 2 Type-C ports quantity | 1 |
| USB connector type | USB Type-A, USB Type-C |
| USB 2.0 ports quantity | 4 |
| WiFi-AP antenna jack | 2 |
| S/PDIF out port | Yes |
| Microphone in | Yes |
| Headphone outputs | 2 |
| HDMI version | 2.1 |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| Line-in | Yes |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax) |
| LAN controller | Killer E3100G |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.2 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | mini ITX |
| Component for | PC |
| Audio chip | Realtek ALC1220 |
| Product colour | Black |
| Number of M.2 M slots | 2 |
| PCI Express x16 Gen 5.x slots | 1 |
| 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 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Maximum resolution | 3840 x 2160 pixels |
| HDCP | Yes |
| Certification | FCC, CE, ErP/EuP |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Width | 170 mm |
| Depth | 170 mm |
| Cables included | SATA |
| Screws included | Yes |
| Antenna included | Yes |
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