4X4-8840U 4X4 Motherboard
- AMD Ryzen™ 8040U-Series
- 2 x 262-pin SO-DIMM DDR5 5600 MHz, up to 96GB (48GB per DIMM)
- 2 x USB4, 1 x USB 3.2 Gen2, 2 x USB 2.0, 2 x M.2 Key M, 1 x M.2 Key E
- 1 x Realtek Gigabit LAN, 1 x Realtek 2.5 Gigabit LAN
- Supports Quad display, 2 x HDMI 2.1, 2 x DP 1.4a (from Type-C)
- 12V~24V DC-In
Specification
Processor System
| CPU | AMD Ryzen™ 7 8840U (Max Speed up to 5.1GHz) |
|---|---|
| BIOS | AMI SPI 256 Mbit |
Form Factor
| Dimensions | 4X4 (4.09-in x 4.02-in x 1.4-in, 10.4 cm x 10.2 cm x 3.6 cm) |
|---|
Memory
| Technology | Dual Channel DDR5 5600 MHz |
|---|---|
| Capacity | 96GB (48 GB per DIMM) |
| Socket | 2 x 262-pin SO-DIMM |
Graphics
| Controller | AMD Radeon™ Graphics |
|---|---|
| HDMI | HDMI 2.1 Max resolution up to 7680x4320@60Hz |
| DisplayPort | DisplayPort 1.4a Max resolution up to 4096x2160@60Hz |
| MultiDisplay | Max 4 display (included 2 outputs from Type-C) |
Expansion Slot
| M.2 | 1 x M.2 (Key E, 2230) with PCIe Gen4 x1, USB 2.0 for Wireless |
|---|
Audio
| Interface | Realtek ALC256, High Definition Audio |
|---|
Ethernet
| Controller/ Speed | LAN1: Realtek RTL8125BG with 10/100/1000/2500 Mbps LAN2: Realtek RTL8111H with 10/100/1000 Mbps |
|---|---|
| Connector | 2 x RJ-45 |
Front I/O
| USB | 1 x USB 3.2 Gen2 (Type-A) 2 x USB4 (Type-C, 5V/3A, supports DP1.4a display output) |
|---|---|
| Audio | 1 (headphone & microphone jack) |
Rear I/O
| HDMI | 2 x HDMI 2.1 |
|---|---|
| Ethernet | 1 x 1 Gigabit LAN, 1 x 2.5 Gigabit LAN |
| USB | 2 x USB 2.0 |
| DC Jack | 1 |
Internal Connector
| COM | TTL-3V |
|---|
Security
| TPM | AMD FW TPM |
|---|
Storage
| M.2 | 1 x M.2 (KEY M, 2242/2280) with PCIe Gen4x4 for SSD 1 x M.2 (KEY M, 2242) with PCIe Gen4x4 for SSD |
|---|
Watchdog Timer
| Output | From Super I/O to drag RESETCON# |
|---|---|
| Interval | 256 Segments 0,1,2....255sec |
Power Requirements
| Input PWR | 12V~24V DC-In Jack |
|---|---|
| Power On | AT/ATX supported -AT: Direct PWR on as power input ready -ATX:Press button to PWR on after power input ready |
Environment
| Operating Temp | 0ºC ~ 70ºC |
|---|---|
| Storage Temp | -40° C ~ 85° C |
| Operating Humidity | 5% ~ 90% |
| Storage Humidity | 5% ~ 90% |
Accessories
| Gift/Bulk Package | 1 x NUT M2 H=3.35mm (13G020271020AK) 3 x SCREW M2*2,D=5 (13G020302031AK) |
|---|
The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.
Support
OS:
| Description | Information | OS | Date | Download | |||||
|---|---|---|---|---|---|---|---|---|---|
| Description | [Beta] AMD_WLAN_BT(v3.3.0.467).zip | Information | Size:36Mib |
OS | Win 10 x 64 | Date | 2024-09-12 | Download | |
| Description | [Beta] Realtek Lan driver ver:WHQL_5.1.2.2301_20230106 | Information | Size: 11Mib |
OS | Win 10 x 64 | Date | 2024-09-12 | Download | |
| Description | [Beta] HD Audio Driver_9450_UAD_2022_1202_140735 | Information | Size: 38Mib |
OS | Win 10 x 64 | Date | 2024-09-12 | Download | |
| Description | [Beta] Chipset_Driver(5.10.17.921).zip | Information | Size: 62Mib |
OS | Win 10 x 64 | Date | 2024-09-12 | Download | |
| Description | [Beta] VGA driver ver: 231025a-397332C | Information | Size: 986MiB |
OS | Win 10 x 64 | Date | 2024-09-12 | Download | |
| Description | [Beta] RAID driver ver: 9.3.2.00255 | Information | Size: 385Kib |
OS | Win 10 x 64 | Date | 2024-11-28 | Download | |
| Description | [Beta] AMD RAIDXpert2 utility ver: 932_00255 | Information | Size: 119 MiB |
OS | Win 10 x 64 | Date | 2024-09-12 | Download | |
| Description | AMD RAIDXpert2 utility ver: 932_00255 | Information | Size: 119 MiB |
OS | Win 11 x 64 | Date | 2024-07-12 | Download | |
| Description | RAID driver ver: 9.3.2.00255 | Information | Size: 385Kib |
OS | Win 11 x 64 | Date | 2024-11-28 | Download | |
| Description | VGA driver ver: 231025a-397332C | Information | Size: 986MiB |
OS | Win 11 x 64 | Date | 2024-07-12 | Download | |
| Description | Chipset_Driver(5.10.17.921).zip | Information | Size: 62Mib |
OS | Win 11 x 64 | Date | 2024-02-29 | Download | |
| Description | AMD_WLAN_BT(v3.3.0.467).zip | Information | Size:36Mib |
OS | Win 11 x 64 | Date | 2024-02-21 | Download | |
| Description | HD Audio Driver_9450_UAD_2022_1202_140735 | Information | Size: 38Mib |
OS | Win 11 x 64 | Date | 2024-02-21 | Download | |
| Description | Realtek Lan driver ver:WHQL_5.1.2.2301_20230106 | Information | Size: 11Mib |
OS | Win 11 x 64 | Date | 2024-02-21 | Download |
| Version | Update BIOS Under / How to Update | Description | Information | Date | Download | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Version | 1.50 | Update BIOS Under / How to Update | BIOS | Description | Optimize fan curve for CPU Operating Mode | Information | Size: 8575 KiB SHA1: 3CDA0A488C8073336CFBB3C1392B0BECFFC9EF7C |
Date | 2025-05-29 | Download | |
| Version | 1.50 | Update BIOS Under / How to Update | Windows | Description | Optimize fan curve for CPU Operating Mode | Information | Size: 9364 KiB SHA1: 15E681E6968E00A0ACE9CBB9ABA525BC52AB34D4 |
Date | 2025-05-29 | Download | |
| Version | 1.30 | Update BIOS Under / How to Update | BIOS | Description | Enhance system compatibility | Information | Size: 8566 KiB SHA1: 218C2A1FDD8B0AB4E823F6693E35069008EFE6C1 |
Date | 2024-07-18 | Download | |
| Version | 1.30 | Update BIOS Under / How to Update | Windows | Description | Enhance system compatibility | Information | Size: 9358 KiB SHA1: 2D8025B9FCA4277607B4227A2F45ACE7A6659CE0 |
Date | 2024-07-18 | Download | |
| Version | 1.20 | Update BIOS Under / How to Update | BIOS | Description | First release | Information | Size: 8567 KiB SHA1: 079034CA6140FE6D7DABC217390381B1231E50C8 |
Date | 2024-03-15 | Download | |
| Version | 1.20 | Update BIOS Under / How to Update | Windows | Description | First release | Information | Size: 9359 KiB SHA1: DF3C0230C3A730CB9496C6900C7727F857553764 |
Date | 2024-03-15 | Download |
The format of our documents are in PDF files. If you have not installed Adobe Acrobat Reader, please get it from Adobe.
| Description | Language | Date | Download | ||||
|---|---|---|---|---|---|---|---|
| Description | RAID Installation Guide | Language | English | Date | 2024-03-06 | Download | |
| Description | User Manual | Language | English | Date | 2024-03-04 | Download | |
| Description | Jumpers and Headers Setting Guide | Language | English | Date | 2025-07-17 | Download |