{"data":{"slug":"keychron-k2-ultra-8k","type":"keyboard","brand":"Keychron","name":"K2 Ultra 8K","aliases":["K2 Ultra","K2U-J1","Keychron K2 Ultra 8K Wireless Custom Mechanical Keyboard"],"release_date":"2026-06","url":"https://arkivo.dev/keyboards/keychron-k2-ultra-8k","specs":{"series":"K Ultra","model_numbers":["K2U-J1","K2U-J3","K2U-J4"],"gtins":["4894979058003","4894979058010","4894979058027"],"announce_date":null,"status":"available","predecessor":null,"successor":null,"launch_price_usd":119.99,"launch_price_eur":null,"markets":null,"colors":["Black"],"manufacturer_url":"https://www.keychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard","spec_sheet_url":null,"manual_url":"https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdf?v=1779693278","eprel_registration_number":null,"warranty_years":1,"segment":"enthusiast","kit_type":"complete","form_factor":"75_pct","layout_standards":["ansi"],"layouts":["US ANSI"],"key_count":84,"legend_os":["macos","windows"],"has_numpad":false,"has_function_row":true,"has_arrow_keys":true,"navigation_cluster":"compact","key_stagger":"row_staggered","bottom_row":null,"low_profile":false,"switch_technology":"mechanical","switch_feel":["linear","tactile"],"switch_brands":["Keychron"],"switch_models":["Apex Red","Apex Brown","Apex Banana"],"switch_stem":"mx_cross","actuation_force_g":null,"bottom_out_force_g":null,"tactile_force_g":null,"actuation_point_mm":2,"total_travel_mm":null,"switch_rated_keystrokes_million":null,"switches_factory_lubed":true,"actuation_adjustable":null,"actuation_adjustable_range_mm":null,"actuation_adjustment_step_mm":null,"per_key_actuation":null,"rapid_trigger":false,"rapid_trigger_sensitivity_min_mm":null,"multi_action_keys":null,"socd_cleaning":true,"analog_input":null,"hot_swappable":"5_pin","hot_swap_compatibility":null,"stabilizer_type":"pcb_screw_in","stabilizers_lubed":null,"keycap_material":"pbt","keycap_legends":"doubleshot","keycap_profile":"osa","keycap_thickness_mm":null,"keycap_shine_through":false,"polling_rate_modes":[{"connection":"usb_wired","polling_rate_hz":8000,"receiver":null},{"connection":"2_4ghz","polling_rate_hz":8000,"receiver":"Included Type-A 2.4 GHz receiver"},{"connection":"bluetooth","polling_rate_hz":125,"receiver":null}],"polling_rate_max_hz":8000,"polling_rate_wired_hz":8000,"polling_rate_wireless_hz":8000,"polling_rate_bluetooth_hz":125,"scan_rate_hz":null,"claimed_latency_ms":null,"key_rollover":[{"connection":"usb_wired","rollover":"nkro"},{"connection":"2_4ghz","rollover":"nkro"},{"connection":"bluetooth","rollover":"nkro"}],"anti_ghosting":null,"debounce_adjustable":true,"debounce_time_min_ms":10,"measured_latency":null,"measured_actuation_point_mm":null,"measured_total_travel_mm":null,"measured_operating_force_g":null,"measured_typing_noise_dba":null,"measured_battery_life":null,"measured_weight_g":null,"connection_types":["usb_wired","2_4ghz","bluetooth"],"wireless_technology_name":null,"bluetooth_version":"5.2","bluetooth_devices":3,"multi_device_count":null,"multi_device_switching":"keys","receiver_connector":"usb_a","receiver_storage":null,"receiver_multi_device":null,"wireless_range_m":10,"cable_detachable":true,"keyboard_port":"usb_c","cable_host_connector":"usb_c","cable_type":null,"cable_length_m":null,"usb_passthrough":null,"os_compatibility":["macos","windows","linux","ios","android"],"console_compatibility":null,"battery_type":"li_po","battery_count":null,"battery_capacity_mah":4000,"battery_user_replaceable":null,"battery_life_claimed":[{"connection":"2_4ghz","lighting":"off","polling_rate_hz":8000,"hours":760,"days":null,"months":null},{"connection":"2_4ghz","lighting":"on","polling_rate_hz":8000,"hours":225,"days":null,"months":null}],"battery_life_max_h":760,"battery_life_lighting_off_h":760,"battery_life_lighting_on_h":225,"battery_life_lighting_on_days":null,"battery_life_lighting_off_months":null,"charging_port":"usb_c","charge_time_full_min":300,"quick_charge":null,"use_while_charging":true,"solar_charging":null,"battery_indicator":["led"],"case_material":"CNC aluminum frame and ABS bottom case","plate_material":"steel","mount_style":"tray","pcb_flex_cuts":null,"sound_dampening":["silicone_bottom","foam","other"],"typing_angles_deg":null,"spill_resistant":null,"ip_rating":null,"backlight":"rgb_per_key","led_orientation":"south_facing","lighting_zones":null,"lighting_brightness_levels":null,"side_lighting":null,"backlight_sensors":null,"lighting_ecosystems":null,"media_keys":"fn_layer","dedicated_media_key_count":null,"volume_control":"keys","knob_count":0,"knob_programmable":null,"knob_pressable":null,"dedicated_macro_keys":null,"display_type":null,"touchpad":null,"fingerprint_reader":null,"os_mode_switch":"switch","win_key_lock":null,"software_name":"Keychron Launcher","software_platforms":["web"],"firmware_compatibility":["zmk"],"onboard_memory":true,"onboard_profiles":null,"macros":true,"macros_onboard":null,"key_remapping":true,"layers":4,"firmware_updatable":true,"wrist_rest":"none","wrist_rest_material":null,"tenting":null,"tenting_angles_deg":null,"dimensions_mm":{"width_mm":311.5,"depth_mm":121.54,"height_mm":null,"front_height_mm":null},"dimensions_with_wrist_rest_mm":null,"weight_g":1084,"weight_with_wrist_rest_g":null,"package_dimensions_mm":null,"package_weight_g":null,"works_with_certifications":null,"other_certifications":null,"in_the_box":["K2 Ultra 8K wireless mechanical keyboard","Type-C cable","Type-A to Type-C adapter","Keycap and switch puller","Screwdriver","Hex key","Type-A 2.4 GHz receiver","Extension adapter for receiver","Extra keycaps set","Manual","Quick Start Guide"],"cables_included":[{"type":"Type-C cable","count":1}],"spare_switches_count":null},"variants":[{"model_number":"K2U-J1","gtin":"4894979058003","switch_feel":["linear"],"switch_models":["Apex Red"],"actuation_force_g":45,"total_travel_mm":4},{"model_number":"K2U-J3","gtin":"4894979058010","switch_feel":["tactile"],"switch_models":["Apex Brown"],"actuation_force_g":50,"total_travel_mm":4},{"model_number":"K2U-J4","gtin":"4894979058027","switch_feel":["tactile"],"switch_models":["Apex Banana"],"actuation_force_g":55,"total_travel_mm":3.6}],"sources":[{"url":"https://www.keychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard.js","kind":"manufacturer_page","accessed":"2026-10-14","fields":["model_numbers","gtins","colors","kit_type","low_profile","variants"],"notes":{"model_numbers":"Global/US store variants: K2U-J1 Fully Assembled Black Apex Red, K2U-J3 Brown, K2U-J4 Banana. Regional ISO and other layouts are not included.","gtins":"Barcodes of the three variants in the product data.","kit_type":"Only a Fully Assembled type is sold. Switches and PBT keycaps are fitted.","low_profile":"Product tags list Profile Normal Profile.","variants":"The three variants differ only in switch. Switch values are from the switch specification graphic."}},{"url":"https://www.keychron.com/products/keychron-k2-ultra-8k-wireless-custom-mechanical-keyboard","kind":"manufacturer_page","accessed":"2026-10-14","fields":["manufacturer_url","series","segment","form_factor","layout_standards","layouts","legend_os","switch_brands","switch_models","stabilizer_type","keycap_material","keycap_legends","keycap_profile","keycap_shine_through","polling_rate_modes","key_rollover","connection_types","bluetooth_version","battery_type","battery_capacity_mah","battery_life_claimed","case_material","plate_material","sound_dampening","backlight","led_orientation","software_name","software_platforms","firmware_compatibility","macros","key_remapping","dimensions_mm","weight_g","os_compatibility","hot_swappable","launch_price_usd"],"notes":{"series":"The page lists the keyboard under the K Ultra series.","segment":"Maker sells it as a wireless custom mechanical keyboard for work, typing and gaming.","form_factor":"Maker states a 75% compact layout.","layout_standards":"Product tags list Standard ANSI. The Global/US reference product is the only one stored.","layouts":"Global/US store product with ANSI layout. The maker names it US ANSI Layout on its regional stores.","legend_os":"The page says the keyboard comes with keycaps for both Windows and macOS.","switch_brands":"Keychron Apex Switch.","switch_models":"Keychron Apex Switch in Red, Brown and Banana. Short names Apex Red, Apex Brown and Apex Banana are stored.","stabilizer_type":"Specs table lists Screw-in PCB Stabilizer.","keycap_material":"Specs table lists OSA Double-Shot PBT keycaps.","keycap_legends":"Double-shot PBT keycaps.","keycap_profile":"Specs table and product tags list OSA profile.","keycap_shine_through":"Page says the keycaps are non-shine-through PBT.","polling_rate_modes":"Specs table lists 8000 Hz for wired and 2.4 GHz and 125 Hz for Bluetooth. The manual says the default is 1000 Hz for wired and 2.4 GHz and that the rate is changed in the Launcher. Only the maximum per connection is stored.","key_rollover":"Specs table lists N-key rollover for wireless and wired. Bluetooth is a wireless mode.","connection_types":"Specs table lists 2.4 GHz, Bluetooth 5.2 and Type-C wired.","bluetooth_version":"Specs table lists Bluetooth 5.2.","battery_type":"Specs table lists a rechargeable lithium polymer battery.","battery_capacity_mah":"Specs table lists 4000 mAh.","battery_life_claimed":"Specs table says up to 760 hours at 8K with the backlight off and up to 225 hours at 8K with the lowest RGB brightness. The short description calls the 760 hours wireless 8K mode, so both rows use 2.4 GHz. Firmware version and workload are not stated.","case_material":"Specs table lists body material CNC aluminum plus ABS and a bottom case material of ABS.","plate_material":"Specs table lists a steel plate.","sound_dampening":"The page lists EVA foam, IXPE foam with PET film, EPDM foam, a bottom case PET film and a silicone bottom pad. Only the silicone pad has an exact option. The foams are stored as foam because their position is not stated. The PET films are other.","backlight":"Page describes Per-key RGB and a Mix RGB mode with two lighting zones.","led_orientation":"Specs table lists south-facing RGB LED.","software_name":"The page names the Keychron Launcher web app.","software_platforms":"Launcher is a web app. It needs a current Chrome, Edge or Opera browser and a wired connection.","firmware_compatibility":"Page states open-source ZMK firmware.","macros":"Page says macros are created in the Launcher.","key_remapping":"Page says each key can be remapped in the Launcher.","dimensions_mm":"Specs table lists 311.50 x 121.54 mm. Front height 22.85 mm and back height 31.20 mm exclude keycaps, so no fitted height is stored.","weight_g":"Specs table lists 1084 g plus or minus 10 g.","os_compatibility":"Specs table lists macOS, Windows and Linux. The manual also names iOS and Android modes.","hot_swappable":"Specs table says hot-swappable. The Apex switch diagram says 5-pin switch. Support for 3-pin switches is not stated for this model.","launch_price_usd":"Global/US store price 119.99 USD, shown without tax. The same launch price is in the launch report."}},{"url":"https://www.keychron.com/cdn/shop/files/Keychron-K2-Ultra-8K-Switches-Specification.jpg?v=1781086337","kind":"manufacturer_page","accessed":"2026-10-14","fields":["switch_feel","actuation_point_mm","switches_factory_lubed","variants"],"notes":{"switch_feel":"Apex Red is Linear. Apex Brown is Soft Tactile and Apex Banana is Tactile. Both are stored as tactile.","actuation_point_mm":"Pre-travel 2.0 plus or minus 0.5 mm for all three switches. This is a fixed mechanical pre-travel, not an adjustable setting.","switches_factory_lubed":"The graphic marks all three Apex switches as pre-lubed.","variants":"Operating force 45, 50 and 55 gf, each plus or minus 10 gf. Total travel 4.0 mm for Red and Brown, with tolerance plus 0.1 and minus 0.4 mm, and 3.6 plus or minus 0.2 mm for Banana. Operating force is stored as actuation force."}},{"url":"https://www.keychron.com/cdn/shop/files/keychron-K2-ultra-switch-details.jpg?v=1780639469","kind":"manufacturer_page","accessed":"2026-10-14","fields":["switch_stem"],"notes":{"switch_stem":"Switch diagram labels a POM MX stem."}},{"url":"https://www.keychron.com/cdn/shop/files/Keychron-K2-Ultra-8K-Inbox_293d4512-8928-430b-acae-a15c3c2eb762.jpg?v=1780972528","kind":"manufacturer_page","accessed":"2026-10-14","fields":["in_the_box","cables_included"],"notes":{"in_the_box":"Box graphic lists the keyboard, Type-C cable, Type-A to Type-C adapter, 2.4 GHz receiver, extension adapter, keycap and switch puller, screwdriver and hex key. The manual adds the extra keycap set, manual and quick start guide. The manual does not list the screwdriver and hex key.","cables_included":"One Type-C cable. The Type-A to Type-C adapter is not a cable."}},{"url":"https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K2_Ultra_8K_User_Manual_ee0396a9-bad0-45d4-83bf-712411c861d1.pdf?v=1779693278","kind":"manual","accessed":"2026-10-14","fields":["manual_url","key_count","navigation_cluster","key_stagger","has_numpad","has_function_row","has_arrow_keys","switch_technology","bluetooth_devices","multi_device_switching","receiver_connector","wireless_range_m","cable_detachable","keyboard_port","cable_host_connector","charging_port","charge_time_full_min","use_while_charging","battery_indicator","media_keys","volume_control","knob_count","os_mode_switch","onboard_memory","layers","firmware_updatable"],"notes":{"key_count":"Specifications page says number of keys 84. The default layout pages show the same 84 positions, including the right-hand Home, End, Page Up and Page Down column.","navigation_cluster":"Layout pages show dedicated Page Up, Page Down, Home and End keys in a right-hand column.","key_stagger":"Layout pages show staggered rows.","has_numpad":"Layout pages show no number pad.","has_function_row":"Layout pages show F1 to F12.","has_arrow_keys":"Layout pages show four arrow keys.","switch_technology":"Specifications page says switch type Mechanical.","bluetooth_devices":"Page 18 says up to 3 devices through Fn+1, Fn+2 and Fn+3.","multi_device_switching":"A short press of Fn+1, Fn+2 or Fn+3 switches Bluetooth host. The side toggle chooses the connection mode.","receiver_connector":"The box holds a Type-A 2.4 GHz receiver and an extension adapter.","wireless_range_m":"Specifications page says Bluetooth operating distance within 10 meters in open space. It is not a 2.4 GHz guarantee.","cable_detachable":"A Type-C cable plugs into the keyboard port.","keyboard_port":"Type-C port on the keyboard.","cable_host_connector":"The box holds a Type-C cable and a separate Type-A to Type-C adapter. The cable end that goes to the computer is Type-C.","charging_port":"Specifications page says charging port Type-C.","charge_time_full_min":"Around 5 hours. This is an approximate maker figure. Charging is up to 5 V and 1 A.","use_while_charging":"Page 17 says the keyboard can be charged in 2.4 GHz, cable and Bluetooth mode.","battery_indicator":"Power indicator LED shows low power in blinking red, charging in static red and full in static green. The Batt key does not say how it shows the level, so no key lighting is assumed.","media_keys":"Mac layer has playback keys on the top row. The Windows layer reaches them through Fn. These share function positions with other keys.","volume_control":"Volume keys on the function row. There is no knob.","knob_count":"The overview page and layouts show no rotary control.","os_mode_switch":"Side toggle Win/Android and Mac/iOS.","onboard_memory":"Page 8 says four layers of key settings are on the keyboard. No profile-slot count is given.","layers":"Page 8 says four layers. Layers 0 and 1 are for Mac and layers 2 and 3 for Windows.","firmware_updatable":"Page 9 describes a firmware update through the Keychron Launcher in wired mode."}},{"url":"https://www.techradar.com/computing/keyboards/keychron-k2-ultra-8k-review","kind":"review_site","accessed":"2026-10-14","fields":["status","socd_cleaning","debounce_adjustable","debounce_time_min_ms","wrist_rest"],"notes":{"status":"Review says the keyboard is available now at 119.99 USD.","socd_cleaning":"Review lists a SOCD function with first-pressed priority, chosen-key priority or both cancel. It handles two simultaneous keys and is not analog gamepad output.","debounce_adjustable":"Review says press and reset debounce have separate sliders from 10 to 50 ms in 1 ms steps.","debounce_time_min_ms":"Lowest selectable value is 10 ms in the Launcher. It is not a measured latency.","wrist_rest":"Review says no wrist rest is included."}},{"url":"https://www.gamerevolution.com/?p=984844","kind":"review_site","accessed":"2026-10-14","fields":["rapid_trigger","mount_style"],"notes":{"rapid_trigger":"Review says rapid trigger is not supported because the board uses conventional switches.","mount_style":"Review describes a tray-mounted steel plate. Keychron does not state the mount style."}},{"url":"https://green-keys.info/keychron-k2-ultra-8k-k8-ultra-8k/","kind":"press","accessed":"2026-10-14","fields":["release_date"],"notes":{"release_date":"Launch report dated 13 June 2026 says the K2 Ultra 8K and K8 Ultra 8K went on sale on 12 June 2026 in the global store at 119.99 USD. The product data was published on 11 June 2026. Month stored."}},{"url":"https://www.keychron.com/pages/warranty","kind":"manufacturer_page","accessed":"2026-10-14","fields":["warranty_years"],"notes":{"warranty_years":"Global store warranty is twelve months unless purchase documents say otherwise. Regional terms and local law can differ. The quick start guide says defective parts are replaced rather than the whole keyboard."}}],"fields_filled":88,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}