ASRock B850I Lightning Wifi Motherboard

SKU: B850I

FAST ∙ DURABLE ∙ RELIABLE

You demand speed. You need strength. You value stability.

With PCIe Gen5 for graphics and storage, performance is immediate, transfers are lightning fast, and gaming feels limitless. With DDR5 memory support up to 8200+ MHz, multitasking runs smoother, workloads finish quicker, and every action responds without delay.

With Killer 2.5G LAN and Wi-Fi 6E, your connection stays strong, stable, and ready for victory. This is not just a motherboard. This is your advantage.

Key Features
Chipset: AMD B850
Memory: 2 × DDR5 DIMM, dual channel, up to 128GB
Expansion Slots: CPU: 1 × PCIe 5.0 x16 (x16 / x8 / x4 depending on CPU), Chipset: 1 × Vertical M.2 (Key E) for Wi-Fi/BT module, Supports NVMe SSD boot disks
Storage: CPU: 1 × Blazing M.2 (Gen5x4, 2280), Chipset: 1 × Hyper M.2 (Gen4x4, 2280), 2 × SATA3 6Gb/s, RAID: NVMe-RAID 0/1/10 (RAID 10 requires additional M.2 NVMe cards), SATA-RAID 0/1
Form Factor: Mini-ITX

3 Years Warranty

DDR5 Memory Speed

PCIe Gen5

Full Specifications

Model Name
B850I

Brand
ASRock

CPU
AMD Socket AM5, supports Ryzen™ 9000 / 8000 / 7000 Series
Expansion slot availability varies by CPU (see PCIe/M.2 bandwidth table)

Chipset
AMD B850

Memory
2 × DDR5 DIMM, dual channel
Supports DDR5 ECC / non-ECC, un-buffered memory up to 8200+ MHz (OC)
Max. capacity: 128 GB
Supports XMP and EXPO memory modules
OS note: Windows 32-bit reserves <4GB; no limitation under 64-bit OS

Graphics (Integrated AMD RDNA™, CPU dependent)
HDMI 2.1 (TMDS/FRL 8G): HDR, HDCP 2.3, up to 4K@120Hz
USB 3.2 Gen2 Type-C (DP 1.4 HBR3 Alt Mode): up to 4K@60Hz
Support varies by CPU

Audio
Realtek® ALC1220 HD Audio Codec, 7.1 CH with Content Protection
Impedance sensing on rear out port
Individual PCB layers for R/L audio channel
Nahimic Audio
Optical SPDIF Out

Networking
Killer E3100G 2.5GbE LAN (10/100/1000/2500 Mbps)
Killer LAN Software with presets (gaming, browser, streaming)
802.11axe Wi-Fi 6E, Dual-Band 2×2, extended 6GHz band (Windows 11 required)
Bluetooth® 5.2, MU-MIMO support

Expansion Slots
CPU: 1 × PCIe 5.0 x16 (x16 / x8 / x4 depending on CPU)
Chipset: 1 × Vertical M.2 (Key E) for Wi-Fi/BT module
Supports NVMe SSD boot disks

Storage
CPU:
1 × Blazing M.2 (Gen5x4, 2280)
Chipset:
1 × Hyper M.2 (Gen4x4, 2280)
2 × SATA3 6Gb/s
RAID:
NVMe: RAID 0/1/10 (RAID 10 requires additional M.2 NVMe cards)
SATA: RAID 0/1

USB
Rear I/O
1 × USB 3.2 Gen2 Type-C (10Gbps, DP Alt Mode supports DP 1.4a; up to 40Gbps with select CPUs)
2 × USB 3.2 Gen2 Type-A (10Gbps, Lightning Gaming Ports)
1 × USB 3.2 Gen1
4 × USB 2.0
Front I/O (via headers)
1 × USB 3.2 Gen1 Type-C
2 × USB 3.2 Gen1 Type-A
1 × USB 2.0 header (2 ports)

Internal Connectors
Power: 24-pin ATX, 8-pin CPU
Cooling: 1 × CPU fan, 1 × AIO pump, 1 × chassis fan (all Smart Fan, up to 3A/36W, auto-detect 3-pin/4-pin)
RGB: 2 × ARGB headers (5V, 15W total), 1 × RGB header (12V, 36W total)
Thermistor header
Front panel audio, USB headers (USB-C, USB 3.2 Gen1, USB 2.0)
Clear CMOS jumper

Rear I/O
2 × Antenna ports
1 × HDMI 2.1
1 × USB-C (Gen2, DP Alt Mode)
2 × USB 3.2 Gen2 Type-A (red)
1 × USB 3.2 Gen1
4 × USB 2.0
1 × RJ-45 (2.5G LAN)
1 × Optical SPDIF Out
1 × Line Out (gold)
1 × Mic In (gold)
1 × BIOS Flashback Button

BIOS & Software
256Mb AMI UEFI Legal BIOS (GUI, EZ Mode, Instant Flash, Auto Driver Installer)
ASRock Polychrome SYNC, Phantom Gaming Tuning, Killer Control Center

Unique Features
Superb Productivity: PCIe Gen5 (Graphics, M.2), Dual Channel DDR5
Rock-Solid Durability: 10+1+1 Power Phase, 110A SPS for VCore, Enlarged Heatsink Armor, Flexible Integrated I/O Shield
Ultrafast Gaming: Killer 2.5G LAN, 802.11axe Wi-Fi 6E, Lightning Gaming Ports
EZ Update: BIOS Flashback Button, Auto Driver Installer
EZ Troubleshooter: Post Status Checker

Accessories
2 × SATA cables
2 × Wi-Fi 2.4/5/6 GHz antennas
2 × M.2 screws
1 × Thermistor cable

Form Factor
Mini-ITX, 17.0 × 17.0 cm, 8-layer PCB

OS Support
Windows® 10 64-bit / Windows® 11 64-bit

Certifications
FCC, CE
ErP/EuP ready (requires compliant PSU)

Warranty

3 YEARS WARRANTY 

Tech Dynamic Pte Ltd
514 Chai Chee Ln, #05-09, Singapore 469029
Contact: 6717 3000

FAQs

How long will it take to receive my purchase?
Standard Shipping - 3 to 5 days
Express Shipping - 1 to 2 days

Can I opt for store pickup?
Yes, we are open daily for collection from 11 AM - 6.30 PM.

Address: 1 Ubi View #01-22, Focus One Building Singapore 408555 (Door located nearest to carpark exit gantry)We will contact you once your order is ready for collection!




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