- Altair (5-row) Case - Dark Grey
- 315 USD
- Altair (5-row) Case - Rose Gold
- 315 USD
- Altair (5-row) Case - E-white
- 325 USD
- Altair (5-row) Learning keyset
- 30 USD
- Altair (5-row) Extra plates - PC
- 40 USD
- Altair (5-row) Extra plates - Alu
- 55 USD
- Altair (5-row) Extra plates - FR4
- 25 USD
- Altair (5-row) Extra hotswap PCB pair
- 55 USD
- Altair (5-row) Foam layers kit
- 28 USD
- Altair-X (4-row) Case - Dark Grey
- 300 USD
- Altair-X (4-row) Case - Rose Gold
- 300 USD
- Altair-X (4-row) Case - E-white
- 310 USD
- Altair-X (4-row) Learning keyset
- 27 USD
- Altair-X (4-row) Extra plates - PC
- 37 USD
- Altair-X (4-row) Extra plates - Alu
- 52 USD
- Altair-X (4-row) Extra plates - FR4
- 21 USD
- Altair-X (4-row) Extra hotswap PCB pair
- 51 USD
- Altair-X (4-row) Foam layers kit
- 26 USD
- Extra gaskets kits
- 7 USD
- Extra USB-C interconnect cable
- 5 USD
- Extra USB daughterboards
- 11 USD
- Wooden wristrests pair
- 28 USD
- Extra rubber feet
- 5 USD