The right Keychron full size mechanical keyboard depends on how you spend your hours at the desk. We matched one keyboard to each of four common desks: a first board at home, slim keys for long typing days, a heavy board for the office, and one board for work and games.
Quick answer
- If this is your first mechanical keyboard, for a home desk: pick the V6 Max.
- If you type for hours and like low, laptop-style keys: pick the K5 Ultra 8K.
- If you want a heavy, steady full metal board for office work: pick the Q6 Max.
- If you work by day and play games at night on one metal board: pick the Q6 Ultra 8K.
How do the four Keychron full size keyboards compare?
Short answer: Find your desk in the first column, then read across.
Model names link to the product pages.
| Best for | Model | Body | Height | Switch | Polling rate (2.4 GHz and cable) | Battery life, up to (backlight off) | Weight |
|---|---|---|---|---|---|---|---|
| First mechanical keyboard at home | V6 Max | ABS plastic, gasket mount, knob | Standard | Gateron Jupiter | 1000 Hz | 190 hours | 1110 g |
| Long typing days on low keys | K5 Ultra 8K | Metal and wood frame, knob | Low profile | Keychron Milk POM | 8000 Hz | 370 hours | 720 g |
| Heavy board for office work | Q6 Max | Aluminum, gasket mount, knob | Standard | Gateron Jupiter | 1000 Hz | 180 hours | 2184 g |
| Work and games on one board | Q6 Ultra 8K | CNC aluminum, knob | Standard | Keychron Silk POM | 8000 Hz | 660 hours | 2238 g |
All four connect three ways: a 2.4 GHz receiver, Bluetooth and a USB-C cable. Each one works with macOS, Windows and Linux. Keychron Launcher, a web app, remaps keys and records macros on every one of them. Mac and Windows keycaps come in the box with all four.
Check: the weight column. A board over 2 kg stays where you put it. If your keyboard moves between rooms, look at the K5 Ultra 8K first.
How do you choose a full size mechanical keyboard?
Short answer: Start with how you use the keyboard each day. Three questions point you to one board.
Question 1: Do you type for hours and like the feel of a laptop?
Low profile switches and keycaps sit much closer to the desk. Your wrists stay flatter, much like typing on a laptop. The K5 Ultra 8K has a front edge of 20.0 mm.
If yes, get the K5 Ultra 8K.
Question 2: Does your keyboard stay on one office desk all day?
A heavy board does not slide around during long hours of spreadsheets and email. The Q6 Max is aluminum from top to bottom, with a double-gasket design and layers of acoustic foam. At 2184 g it weighs about twice as much as the V6 Max.
A yes here points to the Q6 Max.
Question 3: Do you also play games on the same keyboard?
Polling rate is how many times a second the keyboard reports to your computer. The Q6 Ultra 8K reports 8000 times a second over 2.4 GHz and cable. The V6 Max and Q6 Max report 1000 times. Of the four, the Q6 Ultra 8K also lasts longest on one charge.
Yes here means the Q6 Ultra 8K.
If all three answers are no, get the V6 Max.
Check: what you do most hours of the day. Let that decide when two answers are yes.
Keychron V6 Max: Best for a first mechanical keyboard at home
View the V6 Max on keychron.com →
The Keychron V6 Max suits a home desk where this is your first mechanical keyboard. The body is ABS plastic at standard height. Inside, a gasket mount and a PC plate give each press a softer, quieter feel. It has a knob. At 1110 g, it sits between the slim K5 Ultra 8K and the metal Q6 boards. The battery is 4000 mAh and lasts up to 190 hours with the backlight off. A system toggle saves one layout for macOS and one for Windows.
Pick Fully Assembled Knob in Carbon Black with Gateron Jupiter Brown. It arrives with switches and keycaps fitted, ready to type on. Brown gives each press a small bump you can feel. Pick Gateron Jupiter Red for a smooth press with no bump. All switches are hot-swappable, so you can change them later.
Keychron K5 Ultra 8K: Best for long typing days on low keys
View the K5 Ultra 8K on keychron.com →
The Keychron K5 Ultra 8K suits writers and anyone who types most of the day. It keeps the full size layout in a low profile body. It weighs 720 g, the lightest of the four, light enough to carry between rooms. A metal and wood frame wraps the keys, and the top row has a knob. It reports 8000 times a second over 2.4 GHz and cable. In that mode, one charge lasts up to 370 hours with the backlight off. Bluetooth 5.2 pairs with up to three devices. Its firmware is ZMK, the software inside the keyboard, and Keychron Launcher works with it.
It comes as Fully Assembled in Black, so you only choose a switch. For a light bump on each press, take Keychron Milk POM Switch - Brown. For a smooth press, choose Keychron Milk POM Switch - Red. Keychron Milk POM Switch - Banana is the third choice.
Keychron Q6 Max: Best for a heavy office keyboard
View the Q6 Max on keychron.com →
The Keychron Q6 Max is one of our best sellers and suits an office desk where the keyboard never moves. The aluminum body uses a double-gasket design with layers of acoustic foam. It weighs 2184 g, so it stays put through a long day of spreadsheets. It has a knob. It runs at 1000 Hz over 2.4 GHz and cable. Battery lasts up to 180 hours with the backlight off.
Pick Fully Assembled Knob with Gateron Jupiter Brown. It arrives with switches and keycaps fitted. Choose Carbon Black or Shell White to match your desk. If you want an early bump at the top of each press, go with Gateron Jupiter Banana.
Keychron Q6 Ultra 8K: Best for work and games on one board
View the Q6 Ultra 8K on keychron.com →
The Keychron Q6 Ultra 8K is one of our best sellers. It suits a desk used for work during the day and games at night. Like the Q6 Max, it has a full size layout, a knob and a CNC aluminum body. The main changes are inside. Polling runs at 8000 Hz over 2.4 GHz and cable. Like the K5 Ultra 8K, it runs ZMK firmware with Keychron Launcher. One charge gives up to 660 hours with the backlight off. With RGB at the lowest brightness, it lasts up to 200 hours.
It comes only as Fully Assembled Knob, so you choose a color and a switch. The colors are Black and White. If you mostly type, take Keychron Silk POM Switch - Brown. For more gaming than typing, choose Keychron Silk POM Switch - Red. Red is linear, so the press has no bump.
Which Keychron should you get if you do not need a number pad?
Short answer: Take a 75% board: the K3 Max for slim keys, the Q1 Max for a heavy metal body.
A 75% layout drops the number pad. It keeps the function row and the arrow keys. Your mouse sits closer to your keyboard hand, which helps on a small desk.
- Small desk, slim keys, a bag-friendly weight: the K3 Max. It is 75%, low profile, 525 g and 17 mm tall at the front with keycaps. It offers a Mac layout. Pick the Black version with RGB backlight and hot-swappable switches, with Low Profile Gateron Mechanical Brown.
- Small desk, heavy metal body that stays put: the Q1 Max. It is 75%, with an aluminum body, a knob and a double-gasket design. At 1724 g, it lasts up to 180 hours per charge with the backlight off. Choose Fully Assembled Knob in Carbon Black with Gateron Jupiter Red, or with Gateron Jupiter Banana for an early bump.
Check: how often you type numbers. If you enter figures every day, stay with a full size keyboard.
Which full size Keychron should you get?
Short answer: Match the keyboard to the desk you sit at most.
First mechanical keyboard on a home desk: V6 Max with Gateron Jupiter Brown.
Long typing days on laptop-style keys: K5 Ultra 8K with Keychron Milk POM Switch - Brown.
Office desk with spreadsheets all day: Q6 Max with Gateron Jupiter Brown.
Work by day, games at night: Q6 Ultra 8K with Keychron Silk POM Switch - Brown.
To filter by layout, switch and connection, use our Keyboard Finder. Our earlier full size mechanical keyboard list covers more models.
Frequently asked questions
What is a full size mechanical keyboard?
A full size keyboard, also called 100%, has the letter keys, a function row, arrow keys, a navigation block and a number pad. Every Keychron full size keyboard in the four main picks on this page uses this layout.
Do Keychron full size keyboards work with Mac?
Yes. Every one of the four lists macOS, Windows and Linux support, and each ships with Mac and Windows keycaps. On the V6 Max, Q6 Max and Q6 Ultra 8K, a system toggle saves one layout for each system.
Which switch should you pick for typing?
Pick Brown for a small bump on each press, which many typists like. Pick Red for a smooth, even press. On the Gateron Jupiter and Keychron Silk POM switches, Banana puts an early bump at the top of the press.
Shop the products in this guide
References & Citations
- V6 Max ABS body, gasket mount, knob, Gateron Jupiter options, battery, weight and system toggle. (Keychron V6 Max product page)
- K5 Ultra 8K low profile body, metal and wood frame, 8000 Hz, battery, weight and Milk POM options. (Keychron K5 Ultra 8K product page)
- Q6 Max aluminum gasket build, knob, Gateron Jupiter switch options, battery and weight. (Keychron Q6 Max product page)
- Q6 Ultra 8K 8000 Hz polling rate, battery hours, ZMK firmware, system toggle and Silk POM options. (Keychron Q6 Ultra 8K product page)
- Silk POM switch types: Red is linear, Brown and Banana are tactile. (Keychron Silk POM switch page)
- K3 Max 75% low-profile layout, Mac layout, backlight options, weight and height. (Keychron K3 Max product page)
- Q1 Max 75% aluminum body, knob, double-gasket design, weight and battery. (Keychron Q1 Max product page)