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 and also the 2.6Ghz (CF-31MK5 i7) CPU option
 
If you are new to the Toughbook universe, you can reach out to us or this Blog post we made might be helpful in determining which MK is best for you here
 
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 or the Intel i7 5600U with Turbo speed up to 3.2Ghz, 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 a 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.
 
                                                                                    
 
CERTIFICATIONS
 
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
 
                                                                                    
 
WHY OUR BLACK COBRA TOUGHBOOK MAKES A DIFFERENCE?
 
Optional GLOBAL GNSS GPS - The most accurate Toughbook GPS! Go here to learn more
 
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. Go here to learn more. 
 
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