Keycap Profiles Explained: OEM, Cherry, SA, and More

Quick answer

Keycap profiles determine the shape and height of your keys, affecting typing comfort and sound. For most users, Cherry profile is a safe all-rounder, while OEM offers a taller, familiar feel. SA is best for those who prefer a high, sculpted look. Consider your typing style and whether you want a uniform or sculpted layout.

When building or upgrading a mechanical keyboard, the choice of keycap profile is as important as the switch type. The profile affects not only how your keyboard looks but also how it feels to type on. With options like OEM, Cherry, SA, and others, it can be overwhelming to pick the right one. This guide breaks down the most common profiles, their characteristics, and how to decide which suits you best.

Keycap profiles are categorized by their shape (sculpted vs. uniform) and height (low, medium, tall). Sculpted profiles have different heights per row, following the natural curvature of your fingers, while uniform profiles have the same height across all rows. Understanding these differences helps you choose a set that enhances your typing experience and complements your desk setup.

OEM Profile: The Familiar Standard

OEM (Original Equipment Manufacturer) profile is the most common keycap profile found on pre-built keyboards. It features a sculpted design with a slightly taller height compared to Cherry profile. The top surface is angled, and the rows are curved to match the natural movement of your fingers. Because it's widespread, you'll find a vast array of keycap sets in OEM profile, making it an easy choice for beginners.

The taller height of OEM caps means more travel distance, which some typists find comfortable, while others may prefer a lower profile. If you're used to typing on a standard keyboard, OEM will feel instantly familiar. It's a versatile option that works well for both typing and gaming, and it's often more affordable due to its popularity.

• Sculpted profile with curved rows
• Taller than Cherry profile
• Common on pre-built keyboards

Cherry Profile: Low and Comfortable

Cherry profile is another sculpted profile, but it's shorter than OEM. This lower height reduces the distance your fingers need to travel, which can lead to less fatigue during long typing sessions. Many enthusiasts prefer Cherry profile for its ergonomic feel and the satisfying sound it produces—often described as deeper and more 'thocky' compared to OEM.

Because Cherry profile caps are shorter, they can make your keyboard look more compact and sleek. They are a popular choice for custom builds, and many high-quality keycap sets, like those from Novelkeys, are available in this profile. If you're looking for a comfortable, low-profile option that still offers sculpting, Cherry is an excellent choice.

• Shorter than OEM, reducing finger travel
• Sculpted for ergonomic comfort
• Popular among custom keyboard enthusiasts

SA Profile: Tall and Sculpted

SA (Spherical All) profile is known for its tall, sculpted design. Each keycap has a deep, dish-shaped top that cradles your fingertips. The height gives a vintage, retro look that many find appealing. SA caps are often praised for their comfortable feel during touch typing, as the sculpted rows guide your fingers to the right positions.

However, the tall height means more finger travel, which can be tiring for some users, especially during extended gaming sessions. SA profile also tends to be louder due to the increased space inside the cap. If you prioritize aesthetics and a classic feel over speed, SA might be your pick. Many artisan keycap sets are designed in SA profile to maximize their visual impact.

• Tallest common profile
• Deep dish top for fingertip comfort
• Retro aesthetic with a distinctive sound

Uniform Profiles: DSA and XDA

Unlike the sculpted profiles, DSA and XDA are uniform, meaning all rows have the same height and shape. DSA is low-profile with a flat, slightly dished top, offering a uniform typing experience that is popular among those who prefer a minimalist look. XDA is similar but taller and with a larger surface area, providing a more comfortable landing zone for your fingers.

Uniform profiles are great for ortholinear keyboards and for users who like to rearrange keys without worrying about row-specific shapes. They also make it easy to mix and match keycaps from different sets. If you're after a clean, consistent aesthetic, DSA or XDA could be your ideal choice.

• Same height and shape across all rows
• DSA is low-profile; XDA is taller with a larger top
• Ideal for ortholinear layouts and mixing sets

Decision Rules for Choosing a Keycap Profile

• If you prioritize comfort for long typing sessions: Choose a lower profile like Cherry or DSA. These reduce finger travel and can minimize fatigue. Look for sets labeled as Cherry or DSA profile.
• If you want a familiar feel similar to pre-built keyboards: OEM profile is the safest bet. It's the standard on most stock keyboards, so the transition is seamless. Stick with OEM if you're not looking for a dramatic change.
• If aesthetics are your top priority: Consider SA or XDA for their striking appearance. SA offers a retro look, while XDA provides a modern, uniform style. Be prepared for a different typing feel and potentially more noise.

Keycap Profiles in Practice: Novelkeys Options

• CYL Black Snail: The CYL Black Snail keycap set features a CYL (Cherry-profile-like) profile, providing a comfortable typing experience with a sleek, dark aesthetic. If you're leaning towards a Cherry-like profile for its ergonomic benefits, this set offers a familiar feel with a professional look that fits various desk setups.
• CYL Kaiju R3: The CYL Kaiju R3 keycap set is part of the Novelkeys CYL profile, offering a comfortable and familiar typing experience with a bold, creature-inspired design. For those who want the comfort of a Cherry-like profile but desire a unique, statement-making aesthetic, this set combines both without compromising on typing feel.

Which Profile Fits You?

Best for

• Typists who spend hours at the keyboard and want ergonomic comfort – Cherry profile is ideal.
• Gamers who prefer a lower profile for quick key presses – DSA or Cherry are suitable.
• Enthusiasts who value a unique aesthetic and don't mind a taller profile – SA or XDA.

Not for

• Those who dislike tall keycaps or want minimal finger travel – avoid SA.
• Users who want a uniform layout without row-specific shapes – avoid sculpted profiles like OEM and Cherry.

Choosing the right keycap profile is a personal decision that hinges on your typing habits, aesthetic preferences, and comfort needs. Whether you opt for the familiar OEM, the ergonomic Cherry, or the striking SA, understanding the trade-offs ensures you make an informed choice. Explore the diverse range of keycap sets available at Novelkeys to find the perfect match for your keyboard and style.