ASRock Industrial 4X4-8840U-1U AMD Ryzen 8040 Series SBC

• Asrock Industrial Asrock 4X4-8840U AMD Ryzen 8840U SBC
• 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 1.4b, 2 x DP 1.4a (from Type-C)
• 12V~24V DC-In



4X4 8040 Series

The ASRock Industrial 4X4 8040 Motherboard Series is powered by AMD Ryzen 8040 Series APUs, including the Ryzen 7 8840U and Ryzen 5 8640U, all within a compact 4X4 form factor. Key features of this series include support for up to 96GB of memory through two SO-DIMM DDR5 slots running at 5600 MHz. Communication is reliable with one 2.5G LAN and one 1G LAN, and wireless capabilities are enhanced with one M.2 Key E (2230) supporting PCIe Gen4x1.

For impressive visuals, the series supports 4K quad-display, facilitated by two HDMI 1.4b ports and two DP 1.4a ports (including two from Type-C), all powered by AMD Radeon 700M Graphics.

Dual storage options are available, thanks to one M.2 Key M (2242/2280) and one M.2 Key M (2242), both supporting PCIe Gen4x4 for SSDs. The motherboard series excels in I/O connectivity and expansions, boasting two USB4, one USB 3.2 Gen2, two USB 2.0 ports, and one COM (TTL-3V) connector.

Key Features

  • 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 1.4b, 2 x DP 1.4a (from Type-C)
  • 12V~24V DC-In


Processor System
CPU AMD Ryzen™ 7 8840U (Max Speed up to 5.1GHz)
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)
Technology Dual Channel DDR5 5600 MHz
Capacity 96GB (48 GB per DIMM)
Socket 2 x 262-pin SO-DIMM
Controller AMD Radeon™ Graphics
Max resolution up to 4096×2160@60Hz
DisplayPort DisplayPort 1.4a
Max resolution up to 4096×2160@60Hz
Multi Display Max 4 display (Included 2 outputs from Type-C)
Expansion Slot
M.2 1 x M.2 (Key E, 2230) with PCIe x1, USB 2.0 for Wireless
Interface Realtek ALC256, High Definition Audio.
Controller/ Speed LAN1: Realtek RTL8125BG with 10/100/1000/2500 Mbps
LAN2: Realtek RTL8111EPV with 10/100/1000 Mbps,support DASH function
Connector 2 x RJ-45
Front I/O
USB 2 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 1.4b
Ethernet 1 x 1 Gigabit LAN, 1 x 2.5 Gigabit LAN
USB 2 x USB 2.0
DC Jack 1
M.2 1 x M.2 (Key M, 2242/2260/2280) with PCIe Gen4 x4 for SSD
*M.2 Key M 2280 (Supported by bracket)
Watchdog Timer
Output From Super I/O to drag RESETCON#
Interval 256 Segments 0,1,2….255sec
Power Requirements
Input PWR 12V~19V 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
Operating Temp 0ºC ~ 70ºC
Storage Temp -40° C ~ 85° C
Operating Humidity 5% ~ 90%
Storage Humidity 5% ~ 90%



BVM Customisation Service

If you cant find an off the shelf product that meets your specific requirements speak with our in house design team who can customize an existing product or design a new product from start to finish.


If you’re unable to find an off-the-shelf product that meets your specific requirements, don’t hesitate to contact our in-house design team. They possess the expertise to customise an existing product to your exact specifications or embark on a fresh design journey to create a customized solution tailored to your requirements.

Our design professionals are dedicated to delivering exceptional results, ensuring that the final product not only meets but exceeds your expectations. When you collaborate with our team, you open the door to a world of possibilities, where innovation and creativity converge to bring your vision to life.

Whether it’s modifying an existing product or crafting an entirely new one, our design experts are committed to providing you with a comprehensive, end-to-end solution that perfectly suits your needs. Your satisfaction is our top priority, and we’re here to turn your ideas into reality.


Design | Develop | Test | Manufacture

With over three decades of experience in designing custom industrial and embedded computer and display solutions across a wide array of industries, we’re here to turn your ideas into reality


Here’s a selection of our design, manufacturing & associated services: –

Design to Order Banner

Design to Order: OEM/ODM Embedded Product Design Services

For customers designing a brand-new product from scratch or working with an existing prototype.

Build to Order Banner

Build to Order: Embedded Computer Design and Customisation Services​

Take an existing system and we can:

Build to Order: Racks and Towers, Peli Case PCs and Mini-ITX PCs

Embedded Software Banner

Embedded Software Services : Configuration, Integration and Deployment

Porting, Integration & Deployment






Materials Management


Logistics and Tracking


External Manufacturing

• Burn in Test
• Temp / Thermal Testing
• Environmental Testing
• Safety Testing
• Software Compatibility Test
• Vendor Selection and Component Procurement
• Product Traceability
• Obsolescence, End of Life and Last Time Procurement Management
• Simple to use on-line RMA System
• Traceability of Shipments
• Product Labelling
• OEM/Branded Packaging
• System Branding
• Custom Labels
• Surface Mount: – High Speed Placement
• Conventional Through Hole Insertion & Assembly
• Automated Optical Inspection
• Bespoke PCB Test

Manufacturer : Asrock


  • Form Factor :


  • Powered By : AMD
  • CPU Family : AMD Ryzen
  • CPU Generation : Ryzen 8040U-Series
  • CPU Model : 8840U
  • CPU Speed : 5.10Ghz
  • CPU Cores : 8 Cores


  • Memory Installed :
  • Memory Slots : 2
  • Memory Type : 5600Mhz DDR5

I/O and Expansion

  • Expansion Slots : M.2, SATA
  • LAN Ports : 2
  • Serial Ports :
  • USB 2 Ports : 2
  • USB 3 Ports : 3
  • USB 3.1 Ports :
  • Video Output : DisplayPort, HDMI
  • Multi Display : Quad Display
  • Wireless Connectivity : Yes

Operating System

  • OS : Windows


  • Certifications :


  • Industry : Digital Signage, Gaming and Casino, Industrial Automation and Control, Medical, Military, Transport - Road, Transport and Smart City


  • 24/7 Use :
  • 4G-GPS :
  • Artificial Intelligence Use : Artificial Intelligence, Edge Computing
  • ATEX :
  • High Performance :
  • Industrial :
  • In-Vehicle :
  • IoT : Yes
  • IP Rating :
  • Low Powered :
  • Mini-ITX :
  • Multi Displays : Quad
  • NUC : Yes
  • Other Features :
  • PoE :
  • Rugged :
  • Ryzen :
  • System Type : Box PC
  • Touchscreen :
  • Whiskey Lake :
  • Wide Temp :

Categories : ,