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Included parts
Recorded as fully prebuilt. Confirm the included switch, keycap and accessory options for your selected variant.
Keychron K3 Ultra 8K Wireless Custom Mechanical Keyboard
$109.99
Where to buy
Keychron
Check stock at store
$109.99
Checked Aug 17, 2026
Recorded variants (15)
- $109.99
Fully Assembled / Black / Keychron Milk POM Red
Available when checked
- $109.99
Fully Assembled / Black / Keychron Milk POM Brown
Available when checked
- $109.99
Fully Assembled / Black / Keychron Milk POM Banana
Available when checked
- $109.99
Fully Assembled / White / Keychron Milk POM Red
Available when checked
- $109.99
Fully Assembled / White / Keychron Milk POM Brown
Available when checked
- $109.99
Fully Assembled / White / Keychron Milk POM Banana
Available when checked
- $109.99
Fully Assembled ISO / Black(ISO-German) / Keychron Milk POM Red
Sold out when checked
- $109.99
Fully Assembled ISO / Black(ISO-German) / Keychron Milk POM Brown
Sold out when checked
- $109.99
Fully Assembled ISO / Black(ISO-German) / Keychron Milk POM Banana
Sold out when checked
- $109.99
Fully Assembled ISO / Black(ISO-UK) / Keychron Milk POM Red
Sold out when checked
- $109.99
Fully Assembled ISO / Black(ISO-UK) / Keychron Milk POM Brown
Sold out when checked
- $109.99
Fully Assembled ISO / Black(ISO-UK) / Keychron Milk POM Banana
Sold out when checked
- $109.99
Fully Assembled ISO / Black(ISO-Nordic) / Keychron Milk POM Red
Sold out when checked
- $109.99
Fully Assembled ISO / Black(ISO-Nordic) / Keychron Milk POM Brown
Sold out when checked
- $109.99
Fully Assembled ISO / Black(ISO-Nordic) / Keychron Milk POM Banana
Sold out when checked
Build fit
Reasons to consider it
- Hot-swap sockets let you replace supported switches without soldering.
- 75% layout is recorded for this keyboard. Compare the key layout with the keys you use every day.
Check before buying
- The required switch count is not recorded. Confirm it before buying switch packs.
- Switch fit is not fully documented. Check socket technology, mount and supported pins.
- Check keycap layout coverage and spacebar sizes against the actual board.
Specifications
- Price
- $109.99
- Manufacturer
- Keychron
- Layout
- 75%
- Hotswappable
- Yes
- Fully Prebuilt
- Yes
- Switch Technology
- Mechanical
- Supported Layouts
- 75%
- Firmware
- ZMK
About this product
Keychron K3 Ultra 8K is an ultra-slim wireless custom mechanical keyboard with a 75% compact layout. It offers hot-swappable mechanical switches and fully assembled configurations.
Similar parts
Same 75% layout size; this does not confirm part fit.
