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Panasonic  |  SKU: 31453-16512-XXX-LN

Toughbook 31, CF-31 MK4, 13.1" Intel Core i5-3340M | 220 Hours

$999.00 USD $1,299.00

The Panasonic Toughbook 31 is a fully rugged laptop for demanding environments, offering durability, performance, and connectivity. With a ruggedized magnesium alloy case and built-in handle, it ensures maximum protection and portability. Equipped with an Intel Core i5 3rd Gen processor and a 13.1-inch XGA sunlight-viewable touchscreen, it excels in tough situations.

memory Intel Core i5-3340M (2.7GHz with Turbo Boost up to 3.4GHz, 3MB cache, vPro) 

memory 16 GB DDR3L

storage  512 GB SSD 

computer display 13.1" XGA Sunglight Viewable 1200 nit Touchscreen

posts & slots Docking connector, HDMI, VGA, Headphones/Speaker Jack, Microphone/line in Jack, Serial D-sub 9-pin, USB 3.0 (x 1), USB 2.0 (x 3), Ext. antenna conn., SD card (SDXC)

warranty 90 Day Rugged Books Warranty

  • Like New - 220 hours in BIOS, may jump by 10 hours following Windows installation and quality control.
  • Wi-Fi, Bluetooth

Each product is equipped with an AC adapter unless mentioned otherwise.

Delivery and Shipping

We offer fast and reliable delivery and shipping options for all our computer products, with an estimated delivery time of 2-5 days.

International Shipping
Rugged Books is not liable for any duties and taxes.

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Frequently Asked Questions

What are refurbished devices?

We call refurbished devices "renewed" because of the quality that we put into these devices. These computers were previously owned, then repaired by us then sold to you at a fraction of the cost, while keeping the high-end quality.

What does warranty cover?

Our warranty coverage varies based on the specific rugged laptop or tablet and its condition. We're committed to addressing technical defects and component issues that may affect your device's functionality.

Please note that our warranty doesn't cover accidental damage, compatibility, or software upgrade issues. Feel free to explore the extent of coverage for older models and ensure compatibility by checking our limitations and consulting our website.

What's the R2 certification?

The R2 Standard focuses on ensuring environmentally sound practices, data security, and the ethical handling of electronic waste throughout the refurbishing and recycling process. This certification provides assurance to consumers and businesses that the refurbishing and recycling operations adhere to stringent industry standards.

Returns and Exchange

1. Return Policy:

If you're not completely satisfied with your purchase, you may initiate a return within 30 days of receiving your order. The returned item must be in its original condition, with all packaging and accessories.

2. How to Initiate a Return:

Send an email to You'll receive instructions on how to ship the item back to us.

3. Refund Process:

Once we receive the returned item and verify its condition, we will process your refund within 5-7 business days. Refunds will be issued to the original payment method used during checkout.

4. Exchanges:

If you wish to exchange an item for a different color, size, or style, please initiate a return as outlined above and place a new order for the desired item.

5. Non-Returnable Items:

Certain items, such as personalized or customized products, may not be eligible for returns. Please refer to the product description or contact our customer support for clarification.

Exceptions: Please note that there are exceptions to our return policy. We do not accept returns on the following items:

  • New Panasonic Toughbooks Devices
  • New Panasonic Accessories
  • New Durabook Devices
  • New Durabook Accessories

Learn more here

  • Product Model
    Toughbook 31
  • Model Number
    CF-31 MK4
  • Condition
    Like New
  • CPU
    Intel Core i5 3rd Gen
  • Storage
    512GB SSD
  • Memory
  • Display
    13.1" XGA
  • Touchscreen
  • Operating System
    Windows 10 Pro
  • Camera
  • Graphics Card
    Intel HD Graphics 4400
  • Keyboard
    Emessive Backlit Keyboard
  • Weight
    7.9 lbs
  • Dimensions
    11.5" (L) x 11.9" (W) x 2.9" (H)

Payment & Security

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Mastercard
  • PayPal
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Latest Toughbook Collection

Introducing the latest Toughbook Collection—a lineup of rugged laptops designed for extreme durability and high performance.

  • ISO and R2 Certification

    R2 and ISO Certifications

    We understand the significance of responsible electronic waste management, which is why we adhere to the rigorous standards set by the R2 certification.

  • Restoring to Peak Performance

    With our commitment to quality repairs and exceptional customer service, we strive to exceed your expectations and get your Toughbook back to peak performance.

  • Rugged Books Customer Service

    Customer Support By Your Side

    Our dedicated customer service team is here to ensure that your experience with Rugged Books is nothing short of outstanding. Get your question answered fast and accurate.


Toughbook 31, CF-31 MK4, 13.1" Intel Core i5-3340M | 220 Hours

$999.00 USD $1,299.00

Product Model

Toughbook 31

Model Number

CF-31 MK4


Like New


Intel Core i5 3rd Gen






13.1" XGA



Operating System

Windows 10 Pro


- MIL-STD-810G: 4' drop (5' tablet only) shock,
bench handling, vibration, rain, dust, sand, altitude,
freeze/thaw, high/low temperature, temperature
shock, solar radiation, contamination by fluids,
humidity, explosive atmosphere
- MIL-STD-461F
- IP65



Graphics Card

Intel HD Graphics 4400

Ports & Interfaces

- Docking connector
- USB 3.0 (x 1), USB 2.0 (x 3)
- Headphones/Speaker Jack
- Microphone/line in Jack
- Serial D-sub 9-pin
- Ext. antenna conn.
- SD card (SDXC)

- Intel Dual Band Wireless-AC 7265 Wi-Fi 802.11a/b/g/n/ac
- Bluetooth v4.0 + EDR (Class 1)


Emessive Backlit Keyboard


90-Day Rugged Books Warranty
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