Logitech K840 Mechanical Keyboard with Romer G mechanical Switches for PC

4.4 out of 5 stars 664 ratings

Only 9 left in stock - order soon.
Color Black
Brand Logitech
Connectivity Technology Cable
Item Dimensions LxWxH 1.35 x 17.52 x 5.2 inches
Number of Keys 26
Number of Buttons 26

About this item

    This fits your .
  • Make sure this fits by entering your model number.
  • Exclusive Logitech Romer-G mechanical switches - Japanese engineered mechanical switches provide an expertly-crafted typing experience
  • Anodized aluminum  - durable and robust construction and design that is made to withstand your most demanding typing sessions
  • Easy Access Shortcuts - Get easy access to integrated media and shortcut keys that allow you to control your entertainment
  • Programmable Keys -  Get more customized control over your productivity with reprogrammable keys.   Through Logitech Options, you can reassign your favorite or most useful shortcuts
  • Familiar and durable  - full-size corded keyboard with 1. 8m cable with built-in strain relief for extra durability and reinforced cable strength
Used (2) from $75.95 & FREE Shipping

Special offers and product promotions

  • Amazon Business: Make the most of your Amazon Business account with exclusive tools and savings. Login now

Have a question?

Find answers in product info, Q&As, reviews

There was a problem completing your request. Please try your search again later.
All Product Information Customer Q&A's Customer Reviews

Your question might be answered by sellers, manufacturers, or customers who bought this product.

Please make sure that you are posting in the form of a question.

Please enter a question.

Compare with similar items

Logitech K840 Mechanical Keyboard with Romer G mechanical Switches for PC
Logitech K845 Mechanical Illuminated Keyboard, Mechanical Switches, Strong Adjustable Tilt Legs, Full Size, Aluminum Top Case, 104 Keys, USB Corded, Windows (TTC Brown Switches)
Logitech MX Keys Advanced Wireless Illuminated Keyboard, Tactile Responsive Typing, Backlighting, Bluetooth, USB-C, Apple macOS, Microsoft Windows, Linux, iOS, Android, Metal Build - Graphite
Logitech Illuminated Ultrathin Keyboard K740 with Laser-Etched Backlit Keyboard and Soft-Touch Palm Rest - Black
Logitech G613 LIGHTSPEED Wireless Mechanical Gaming Keyboard, Multihost 2.4 GHz + Blutooth Connectivity - Black
Logitech MX Keys Advanced Illuminated Wireless Keyboard for Mac - Bluetooth/USB
Customer Rating 4.4 out of 5 stars (664) 4.6 out of 5 stars (740) 4.8 out of 5 stars (7768) 4.6 out of 5 stars (5137) 4.5 out of 5 stars (3294) 4.8 out of 5 stars (1137)
Price $75.95 $59.99 $98.79 $59.99 $74.99 $99.99
Sold By itembazaar Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com
Are batteries included? No No Yes No Yes Yes
Are batteries required? No No Yes Yes Yes Yes
Color Black TTC Brown Black black Space Grey
Connectivity Technology Cable USB Wireless Wired wireless Bluetooth, USB
Hardware Interface USB USB Bluetooth
Item Dimensions 1.35 x 17.52 x 5.2 inches 435 x 127 x 27.8 inches 3 x 18 x 8 inches 18.82 x 8.5 x 1.33 inches 18 x 6 x 1.75 inches
Item Weight 2.01 lbs 2.20 lbs 1.90 lbs 2.31 lbs 3.10 lbs 2.50 lbs
Model Year 2017 2008

Product description

The quiet operation and responsive tactile feedback you love.  The long-lasting durability you demand. The K840 mechanical keyboard features a solid aluminum build with expertly engineered Romer-G mechanical switches tested for 70 million+ strokes. 26-key Rollover helps ensure each keystroke performs accurately and independently as you type. System Requirements: Windows 7 Windows 8 Windows 10 or later|Internet connection for optional software logitech.com/options.|USB port

Product information

Technical Details

Collapse all

Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here. [PDF ]


Would you like to tell us about a lower price?

Product guides and documents

Customer Questions & Answers

Customer reviews

4.4 out of 5 stars
4.4 out of 5
664 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on September 16, 2017
Verified Purchase
57 people found this helpful
Report abuse
Reviewed in the United States on March 15, 2019
Verified Purchase
29 people found this helpful
Report abuse
Reviewed in the United States on December 23, 2018
Verified Purchase
21 people found this helpful
Report abuse
Reviewed in the United States on December 26, 2017
Verified Purchase
28 people found this helpful
Report abuse

Top reviews from other countries

David Johnson
1.0 out of 5 stars Broke after 2 months!
Reviewed in the United Kingdom on July 15, 2020
Verified Purchase
5.0 out of 5 stars Wonderful substitute for Cherry MX browns
Reviewed in Canada on September 19, 2017
Verified Purchase
13 people found this helpful
Report abuse
Amazon Customer
2.0 out of 5 stars Plain, and LOUD
Reviewed in Canada on December 31, 2018
Verified Purchase
5 people found this helpful
Report abuse
5.0 out of 5 stars Excellent, affordable gaming keyboard
Reviewed in Canada on April 7, 2020
Verified Purchase
One person found this helpful
Report abuse
3.0 out of 5 stars So so for gaming, great for typing
Reviewed in Canada on May 12, 2018
Verified Purchase
4 people found this helpful
Report abuse