Mechanical gaming keyboard: how to choose the right size, connection and model for gaming and work

A mechanical gaming keyboard can make typing more comfortable while freeing up space on your desk. But specifications do not always tell the whole story. Between compact layouts, RGB backlighting, wireless connections and interchangeable keys, certain details can make the difference between a successful purchase and an accessory that is frustrating to use every day.

Before placing your order, keep an eye out for three common pitfalls:

• Confusing mechanical with ‘semi-mechanical’: some membrane keyboards try to replicate the feel of a mechanical model without using genuine mechanical switches. The product listing should clearly specify the type of switch used.
• Relying solely on the stated battery life: a battery may last several dozen hours with the backlighting off, then considerably less with RGB enabled. Always check the conditions under which the battery life was measured.
• Overlooking the key layout: a US QWERTY or German QWERTZ keyboard is organised differently from a French AZERTY keyboard. Symbols and shortcuts may therefore require some adjustments in Windows or macOS.

Technical criteria to check before buying

1. Size: 60%, 75%, TKL or full-size

The keyboard size directly affects how much space it takes up and which functions are accessible.

• A 60% keyboard generally retains the main keys, but leaves out the function row, dedicated arrow keys and navigation cluster. Secondary commands are accessed using the Fn key.
• A compact 65% mechanical keyboard generally includes the directional arrow keys while remaining space-saving.
• A 75% keyboard retains the arrow keys and F-row, with less space between the different sections. It is a particularly practical compromise for gaming and working from home.
• A TKL keyboard does away with the number pad but retains a layout similar to that of a conventional keyboard.
• A 96% or 98% model keeps almost all the keys in a more compact chassis.

On a narrow desk, or for games that require broad mouse movements, a 60% or 75% keyboard can be a smart choice. For spreadsheets, accounting and certain professional software, however, the number pad remains difficult to replace.

2. Layout: AZERTY, QWERTY or QWERTZ

In France, AZERTY makes it easier to type accents and the most commonly used characters. A QWERTY keyboard can be perfectly suitable for gamers, programmers or users accustomed to this layout, but you should carefully check the legends printed on the keys.

The AJAZZ AK820 featured here has a German QWERTZ layout, so it should not be mistaken for an AZERTY keyboard. The operating system can change the software layout, but the physical markings on the keys will remain different.

3. Switches, replacement and noise levels

Linear switches provide a consistent keystroke without a pronounced tactile bump. Tactile switches offer more noticeable feedback, while clicky models produce a sharper audible click.

A hot-swappable mechanical keyboard allows you to replace the switches without soldering, provided you follow the stated compatibility requirements, particularly the number of pins. This is a real advantage if you want to fine-tune the typing feel over time, but it does not automatically make the keyboard quiet.

In a shared room, student accommodation or open-plan office, it is therefore best to find out about the actual noise level. Blue switches, for example, are explicitly described as audible on some models.

Connection, battery and useful features

A wireless gaming keyboard can work via Bluetooth, 2.4 GHz with a USB receiver, or both modes. Bluetooth focuses on versatility and compatibility with mobile devices. 2.4 GHz is more suited to PC gaming, while the USB-C cable lets you continue playing while charging or avoid any interruptions.

A tri-mode keyboard combines all three options: Bluetooth, 2.4 GHz and wired connectivity. Before buying, check:

• the battery capacity, expressed in mAh;
• the stated battery life with and without RGB;
• whether a USB receiver is included;
• compatibility with Windows, macOS, Android and consoles;
• whether the keyboard can be used while charging.

A mechanical RGB keyboard offers appealing visual customisation, but its lighting can reduce battery life. A physical volume dial is also very convenient for gaming, attending meetings or editing video, without having to open your system’s audio mixer.

Our selection for different users

Recommended for: Beginners on a budget

AJAZZ AK820 75% wired

Why this choice suits this user: This mechanical PC keyboard features a 75% layout, USB-C connectivity, a volume dial and hot-swappable switches. It is a great first option for gaming and work, without having to keep an eye on the battery level.

How this product avoids the pitfall

The listing clearly states that this is a genuine wired mechanical model, rather than a simple membrane imitation. The advertised layout is US QWERTY: be sure to check this before ordering.

Main benefit and key features

75% layout, 3- or 5-pin replaceable switches, PBT keycaps and RGB backlighting with south-facing LEDs.

Recommended for: Premium enthusiasts

Corsair K65 Plus Wireless AZERTY

Why this choice suits this user: Its 75% AZERTY layout meets the needs of French gamers and remote workers who want a local layout, wireless connectivity and audio controls directly accessible from the keyboard.

How this product avoids the pitfall

The listing clearly states the AZERTY layout, as well as Bluetooth, USB-C and wireless connectivity. Battery life does, however, vary depending on how the RGB backlighting is used.

Main benefit and key features

87 keys, Corsair MLX Red linear switches, per-key RGB and a dedicated volume dial.

Recommended for: Specialist uses and intensive users

AJAZZ AK980 V2 tri-mode

Why this choice suits this user: With its 97 keys, this keyboard is designed for those who want to retain more functions than a TKL offers, while enjoying Bluetooth, 2.4 GHz and USB-C connectivity.

How this product avoids the pitfall

Connectivity is not limited to Bluetooth, and the hot-swappable PCB makes replacing switches easier. However, check the selected variant, particularly whether it includes a screen and the battery capacity.

Main benefit and key features

Gasket-mounted construction, five damping layers, metal dial and 98% layout with 97 keys.

Frequently asked questions about mechanical gaming keyboards

Is a mechanical gaming keyboard suitable for everyday work ?

Yes, provided you choose a switch and size suited to your environment. Linear switches are generally quieter than clicky models. To type French characters easily, choose an AZERTY layout if you do not want to get used to a QWERTY keyboard.

How long can you expect a mechanical keyboard to last ?

It depends on the switches, build quality, usage and maintenance. Some product listings claim several tens of millions of keystrokes. However, this is a manufacturer specification and does not guarantee the actual lifespan of every component. Hot-swapping at least makes it easier to replace a faulty switch.

Does RGB use a lot of battery power ?

Backlighting increases the power consumption of a wireless gaming keyboard. The stated figures should therefore be examined carefully: battery life without lighting is often considerably longer than with RGB enabled. To extend the time between charges, reduce the brightness or switch off the lighting when you do not need it.