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This is the newer generation of Panasonic Toughbook CF-31 model that has a Intel Core i5 2.70GHz (CF-31MK4) and 2.3Ghz (CF-31MK5) CPU.


Only MK4 or MK5 models will upgrade or use Windows 11 for the Toughbook CF-31. The MK1, MK2 and MK3 Toughbooks will only support up to Windows 10.


The Black Cobra Panasonic Toughbook CF-31 MK4 is equipped with third generation Core i5-3340M 2.7Ghz, that is 35W CPU, high performance, 1x USB 3.0 and 3x USB 2.0 standard ports. Video controller - Intel® HD Graphics 4000


The Black Cobra Panasonic Toughbook CF-31 MK5 has fifth generation Core i5-5300U 2.3Ghz, 15W CPU which gives more performance compared to the MK4 and generates less heat and uses less power from the battery, same USB port configuration as the MK4 with better Video controller - Intel® HD Graphics 5500


The Panasonic Black Cobra Toughbook CF-31 has great performance in its class, with the world’s most rugged design.


With drop-shock protection and a MIL-STD-810G certification, it’s the undisputed leader in the fully-rugged category.






MIL-STD-810G, MIL-STD-461F, IP65 certified (4' drop (tablet + keyboard), 72" drops1 , shocks, vibration, humidity, altitude, rain-, dust- and sand-resistance, temperature extremes and thermal shock) Link






  • Optional GLOBAL GNSS GPS - The most accurate Toughbook GPS!
  • This is the only FULLY BLACK TOUGHBOOK on the market. Our custom refinishing process makes it TOUGH as the original factory finish with no spray paint used and no TOXIC VOC offgasing, making it safer for you and our planet. Most competitors will just spray paint the lid (toxic VOC emissions).
  • New Fast SSD HARD DRIVE - Usually includes slower SATA HD. Fast boot and access times. No moving parts makes it more reliable.
  • Backlit keyboard is water resistant and has 4 levels of lighting. Excellent for use at night or in dark places. Not a standard feature.

  • Exclusive pre-installed reseller of TecroTech HD Webcam for Toughbook CF-31. There are no other HD internal webcams on the market. See our full review here .

  • Panasonic Toughbooks have been our specialty since 2010 and we have serviced and refurbished thousands of Toughbooks during this time.

  • We are committed to give you a 100% quality product in which you can completely rely on.
  • Your purchase is also protected through Paypal for peace of mind.


Sales: 303.732.3830

Professional Support: 303.732.3330

(Mon-Fri - 10-2:00 Mountain)




Download Toughbook CF-31 Brochure


Download Toughbook CF-31 Manual

Panasonic Toughbook Black Cobra CF-31 MK4 / MK5

  • • Includes: "Black Cobra" Toughbook CF-31 + AC Adapter + Stylus Pen

    • CF-31 MK4: Intel 2.7Ghz i5 CPU - Very fast for most applications

    • CF-31 MK5: Intel 2.3Ghz i5 CPU - Has a lower watt CPU which makes battery last longer

    • 16 GB Ram: Memory is maxed out for speed!

    • SSD Hard Drive: Very fast, boots under 20 seconds! No moving parts, more durable and battery friendly

    • USB DVD-RW drive: Burn and back up your data

    Optional Global GNSS GPS: Exclusive to TechTough. Is the most accurate GPS on the market for Toughbooks

    • Wireless: Wifi 802.11a/b/g/n + Bluetooth

    • Ports: 1x USB 3.0 and 3x USB 2.0, SDXC card reader, Ethernet, VGA, HDMI, Serial, PC Card, ExpressCard, Headphone, Mic

    • 13" Touchscreen: Control windows, design, sign with finger or the stylus pen. Readable in direct sun!

    • MIL-STD-810G Certified: Survive a 6' drop, shock, vibration, altitude, freeze/ thaw, extreme temperatures

    • IP65 Certified: The sealed all-weather design protects it against rain, dust, sand

    • Backlit Keyboard: Has 4 levels of lighting for night use and is also water resistant

    • Battery: Guaranteed to work for over 3 hours

    • O.S. Version: Windows 7, 10 or 11 Pro (64 bit)

    • Dimensions: 8 lb (3.8KG) - 11.5"(L) x 11.9"(W) x 2.9"(H)

    • Condition: Professionally refurbished to work better than new due to the hardware upgrades

Check out other Black Cobra Toughbook models

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