Keycap Profiles Compared: Cherry, OEM, SA, DSA, XDA, MT3

If you’ve already chosen PBT or ABS keycaps, the next decision people skip is profile — the actual shape of the keycap. Profile changes typing feel and sound far more than most newcomers expect, and the names (Cherry, OEM, SA, DSA, XDA, MT3) are jargon-dense without being self-explanatory. Here’s an honest comparison of what each profile actually changes and which to pick.

What “profile” really means

Two things, mostly:

Height: how tall the keycaps are from the keyboard plate. Low-profile keycap sets sit close to the board; tall ones reach noticeably higher.
Sculpt: whether each row is shaped differently to match the curve of your fingers, or whether every row is the same shape. Sculpted profiles have different keycap heights and tilts on the function row, number row, top row, home row, and bottom row. Uniform profiles use one shape on every row.

Within those two axes, the cap top can also be cylindrical (curved across, like a typewriter), spherical (dished in two directions, like a bowl), or flat. Each combination produces a different finger-feel and a different sound character.

TL;DR

Profile	Height	Sculpted?	Top shape	Reputation
Cherry	Low/medium	Yes	Cylindrical	Low and “thocky,” enthusiast default
OEM	Medium	Yes	Cylindrical	Slightly taller Cherry-ish; the most common stock cap
SA	Tall	Yes	Spherical	Tall, dramatic, retro look; polarizing typing feel
DSA	Low	No (uniform)	Spherical	Short, uniform, calm; great for ortho and macropads
XDA	Low/medium	No (uniform)	Flat-ish spherical	Larger top surface, modern minimal look
MT3	Tall	Yes (deep)	Deeply spherical	Pronounced “scoop” per row, retro-inspired, very tactile feel

Cherry profile

The de facto enthusiast standard. Cherry-profile keycaps are low-medium height with a sculpted shape (each row a different angle) and a gently cylindrical top. They sit low on the board, which keeps your wrists at a flatter angle than a taller cap.

Reputation: A “thocky,” low, mature sound and feel. Cherry profile is what most enthusiast aftermarket sets (especially in PBT) ship as today, including a large share of group buys and GMK’s heavyweight ABS sets — GMK’s whole identity is built on doubleshot ABS in Cherry profile (GMK ↗).

Pick Cherry if: you want a widely available, low, comfortable profile that suits most users. Hardest part: deciding between Cherry-profile PBT (cheaper, durable) and Cherry-profile ABS (premium thock, prone to shine).

OEM profile

OEM is the profile most prebuilt boards ship with from the factory. It’s sculpted and cylindrical like Cherry, but slightly taller and with slightly steeper row angles. If you’ve used almost any prebuilt mechanical keyboard, you’ve used OEM.

Reputation: Familiar, neutral, slightly tall by enthusiast standards. Not “wrong” — just less low-profile than Cherry. Sound tends to be slightly less mellow than well-built Cherry-profile sets because of the extra height (more volume inside the cap to ring) but the difference is modest.

Pick OEM if: you like how your stock board feels and want a replacement set in a similar shape, or you find Cherry too low and want something familiar.

SA profile

SA (Spherical, All Rows tall) is the dramatic one. Tall, heavily sculpted, with spherical dished tops. Made famous by Signal Plastics’ SA caps (Signal Plastics SA family ↗). Visually striking, often associated with retro / “DSA-but-tall” aesthetics and beam-spring-era keyboards.

Reputation: Polarizing. Fans love the deep dish that “catches” each finger and the heavy, resonant sound. Detractors find the height tiring on long sessions and the row sculpt aggressive. SA also tends to be the loudest, most acoustically “boomy” profile of the common options.

Pick SA if: you want a distinctive retro look and don’t mind a taller, more sculpted typing position. Try it on a switch tester or borrow a board with SA before committing — the feel is genuinely divisive.

DSA profile

DSA (Spherical, All rows uniform) is short, uniform, with spherical tops. Every key is the same shape; nothing is sculpted. Made by Signal Plastics and other manufacturers (Pimp My Keyboard / SP DSA family ↗).

Reputation: Calm, low, and especially well-suited to non-standard layouts (ortholinear, columnar, macropads) because there’s no sculpt that “wants” specific rows. Many enthusiast and ergonomic boards default to DSA for exactly this reason — sculpted caps don’t work cleanly when the layout itself isn’t row-staggered, as discussed in our ergonomic and split guide.

Pick DSA if: you have an ortho/split/columnar board, you want a low calm typing profile without per-row sculpting, or you like the muted, modest sound character.

XDA profile

XDA is low-to-medium height, uniform (no sculpt), with a larger flat-ish spherical top than DSA. The top surface is noticeably wider, which gives a distinctive flat-pad look and a slightly more forgiving finger landing zone.

Reputation: Modern minimal aesthetic, very common in budget and mid-tier PBT sets. Larger top means more rounded “pad” feel and slightly more keycap mass than DSA, with a similar overall calmness.

Pick XDA if: you want a uniform low profile like DSA but prefer a wider, flatter cap top, or you want widely available affordable PBT sets in a clean modern look.

MT3 profile

MT3 is Drop’s tall, deeply sculpted profile with strongly spherical dished tops on each row (Drop MT3 keycap sets ↗). Inspired by classic 1970s/80s terminal keycaps, it has the most pronounced “scoop” per key of the common modern profiles.

Reputation: Comfortable for many people because each finger sits in a clear pocket; tall like SA but with a deeper dish that some prefer for finger placement. Sound is mellow-to-thocky depending on the board, often described as one of the more “premium” sounding tall profiles.

Pick MT3 if: you like the tall sculpted character of SA but want a deeper dish that “guides” finger placement, or you want a distinctive retro feel on a modern board.

How profile interacts with sound

Profile affects sound more than people credit:

Tall, hollow caps (SA, MT3, OEM) generally produce a deeper, more resonant sound because there’s more cavity volume above the switch.
Low caps (Cherry, DSA, XDA) tend to sound tighter and less boomy — closer to a “clack” or “thock” than a “boom.”
Material still dominates between thick PBT and standard ABS, as covered in our keycap material guide. Profile is a second-order sound factor; material is first-order.
Stabilizers still dominate the worst sound, which is why tuning stabilizers matters before chasing profile changes for sound.

So profile is a real sound lever — but if your board sounds bad, fix stabs and material first; profile won’t paper over either.

How profile interacts with typing feel

Less than people sometimes claim, but more than zero:

Sculpt (Cherry, OEM, SA, MT3) follows the natural curve of your fingers and many people find it slightly more comfortable on standard row-staggered boards.
Uniform profiles (DSA, XDA) feel flatter end-to-end. For some people this is calmer; for others the lack of sculpt feels like every row “starts from zero.” On non-standard layouts (ortho, columnar), uniform profiles are usually preferred because per-row sculpt assumes a specific row layout.
Height changes wrist angle slightly. Tall profiles (SA, MT3) may benefit from a wrist rest more than low ones (Cherry, DSA).

Profile is comfort flavoring, not a comfort fix. If you have wrist issues, ergonomic layout and switch weight matter more than profile.

A practical decision path

Standard row-staggered board, want the enthusiast default? Cherry profile. Hardest part is just picking a colorway/material.
Standard board, like your stock caps already? OEM. Plenty of nice OEM-profile PBT sets exist.
Standard board, want dramatic retro look and don’t mind tall? SA or MT3 — try both if you can.
Ortho/split/columnar/macropad? DSA or XDA. Uniform is almost always the right call here.
Want low, calm, modern, affordable, uniform? XDA.
Want low, calm, uniform with smaller cap tops and slightly muted sound? DSA.

Where profile matters least

For a first mechanical keyboard, profile is genuinely among the least important things to decide. Whatever your prebuilt ships with (almost always OEM) is fine for learning what you actually like. Profile becomes interesting once you’ve picked the switch type, the layout size, and you’ve spent enough time with the board to notice what you’d change.

The honest summary: profile is a real, meaningful refinement that changes feel and sound character — but it sits below switch type, layout, and stabilizer quality in the hierarchy of “things that make a keyboard better.” Get those right first, then treat profile as the personality knob you turn once you know what flavor you want.