ASRock Industrial 4X4-7640U AMD Ryzen 7640U SBC


  • Product Name: Asrock Industrial 4X4-7640U
  • Motherboard Form Factor: 4 x 4″ SBC
  • CPU: AMD Ryzen™ 5 7640U
  • RAM: 2 x 262-pin SO-DIMM DDR5 5600 MHz, up to 64GB (32GB per DIMM)
  • Expansion: 2 x USB4, 2 x USB 3.2 Gen2, 2 x USB 2.0, 1 x M.2 Key M, 1 x M.2 Key E, 1 x SATA3
  • Other features: 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~19V DC-In


4X4 BOX 7040 Series Web page P1


ASRock Industrial proudly presents the 4X4 7040 Motherboard Series, featuring the formidable AMD Ryzen™ 7040U Series APU (available in Ryzen™ 7 7840U and Ryzen™ 5 7640U variants), which includes the 4X4-7840U and 4X4-7640U models. This impressive series comes equipped with several standout features:

  1. Memory Support: Enjoy the benefits of dual SO-DIMM DDR5 5600 MHz memory slots, expandable up to a staggering 64GB.
  2. High-Speed Connectivity: Benefit from dual LAN ports with speeds of up to 2.5G, ensuring rapid data transfers.
  3. 4K Quad-Display: Harness the power of 4K resolution across four displays through two HDMI 1.4b and two DP 1.4a ports (including two via Type-C).
  4. Extensive I/O Options: Maximize your connectivity with two USB4, two USB 3.2 Gen2, two USB 2.0 ports, one M.2 Key E slot, and support for dual storage via one M.2 Key M and one SATA3.0 connection.
  5. Flexible Power Input: Embrace flexibility with a 12~19V DC-in design, allowing various power input options.
  6. Temperature Range: Operate reliably in temperatures ranging from 0 to 70°C.
  7. Enhanced Security: Trust in the AMD FW TPM for robust software-based security measures.

The 4X4 7040 Motherboard Series is a versatile solution that can elevate your business and embedded applications, enhance your gaming experiences, and boost productivity on your PC.

Key Features

  • AMD Ryzen™ 5 7640U
  • 2 x 262-pin SO-DIMM DDR5 5600 MHz, up to 64GB (32GB per DIMM)
  • 2 x USB4, 2 x USB 3.2 Gen2, 2 x USB 2.0, 1 x M.2 Key M, 1 x M.2 Key E, 1 x SATA3
  • 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~19V DC-In


Processor System
CPU AMD Ryzen™ 5 7640U (Max Speed up to 4.9GHz)
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 64GB (32 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
MultiDisplay 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)
SATA 1 x SATA3.0 (6.0 Gb/s)
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 7040U-Series
  • CPU Model : 7640U


  • 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.X / USB C / USB 4.0 Ports :
  • Video Output : DisplayPort, HDMI
  • Multi Display : Quad Display

Operating System

  • OS : Windows


  • Certifications :


  • 5G-4G-GPS :
  • Artificial Intelligence Use : Artificial Intelligence, Edge Computing
  • IP Rating :
  • Rugged :
  • System Type : Box PC
  • Wide Temp :

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