Gaming keypads · WoW, FFXIV and OSRS
The Razer Tartarus Pro pairs 32 programmable keys with an 8-way thumbpad. The Keychron K0 Max is a 27-key numpad with five M keys and Bluetooth, 2.4 GHz, and USB-C connections.
Choose the Razer Tartarus Pro for one-hand WoW or FFXIV bars built around 32 programmable keys and an 8-way thumbpad. Choose the Keychron K0 Max for a 27-key numpad with Bluetooth connections to three devices. This comparison follows the listed layouts and connections.
The Tartarus Pro puts an 8-way thumbpad beside programmable keys. The K0 Max is a 27-key numpad that connects to three Bluetooth devices.
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Choose it if: you want 32 programmable keys and an 8-way thumbpad.
Tradeoff: it is wired and uses Razer Synapse for software setup.
Actuation adjusts from 1.5 to 3.6 mm; the wrist rest has two positions.
View Razer Tartarus Pro on Amazon
Choose it if: you want number entry, five M keys and 2.4 GHz, Bluetooth or USB-C.
Tradeoff: no thumbpad, and Keychron lists no wrist rest.
Bluetooth 5.3 connects to three devices; switches are hot-swappable and low-profile.
View Keychron K0 Max on AmazonRows compare layout, switches, macros, connections and footprint.
| Decision point | Razer Tartarus Pro | Keychron K0 Max | Decision / winner |
|---|---|---|---|
| Layout | 32 programmable keys; 8-way directional thumbpad | 27-key numpad; knob; five M keys | Tartarus for thumbpad commands; K0 for number entry |
| Switch behavior | Analog Optical; 1.5–3.6 mm adjustable actuation; Rapid Trigger reset on upward motion as low as 0.1 mm | Keychron Milk POM low-profile mechanical; hot-swappable | Tartarus for actuation; K0 for hot swap |
| Macros and profiles | Unlimited macro length via Synapse; 8 profiles toggled by side button | QMK and Launcher web app for remapping and macros | Tartarus for listed profile detail; K0 for browser remapping |
| Connections and battery | Wired keypad; braided cable | 2.4 GHz, Bluetooth 5.3 (3 devices), USB-C; 750 mAh; up to about 50 h at lowest RGB brightness | K0 for wireless use; Tartarus for a wired pad |
| Software and operating systems | Razer Synapse | QMK; Launcher web app; macOS, Windows, Linux | K0 has three listed operating systems |
| Wrist rest | Adjustable between two positions | None listed by Keychron | Tartarus lists an adjustable rest |
| Size and weight | Not published | 99 x 116 mm; 176.3 g | K0 has published measurements; no direct size comparison |
Keychron rates the K0 Max for up to about 50 hours at lowest RGB brightness. If you need Tartarus Pro dimensions or weight, ask Razer for them before buying.
The layout tells you which controls sit by your thumb.
Tartarus Pro has 32 programmable keys and an 8-way thumbpad assignable to navigation or other commands. K0 Max has a 27-key numpad, a knob and five M keys. Choose the former for thumb commands, the latter for number entry.
For WoW bars, pair the keypad setup guide with the WoW setup hub. For FFXIV, see the keypad guide and FFXIV setup hub.
Tartarus Pro's Analog Optical switches adjust from 1.5 to 3.6 mm; Rapid Trigger can reset on upward motion as low as 0.1 mm. K0 Max uses hot-swappable Keychron Milk POM low-profile mechanical switches. Choose adjustable actuation or hot swap. If you plan to replace K0 Max switches, confirm compatible models with Keychron before buying.
Razer lists unlimited macro length through Synapse and eight profiles toggled on the fly with a side button. K0 Max uses QMK firmware and the Keychron Launcher web app for remapping and macros. Razer states the profile count; Keychron documents a browser-based remapping path and lists macOS, Windows and Linux.
Tartarus Pro is wired with a braided cable. K0 Max supports 2.4 GHz, Bluetooth 5.3 to three devices, and USB-C. Keychron lists 750 mAh and up to about 50 hours at lowest RGB brightness. K0 is 99 x 116 mm and 176.3 g; Razer gives no matching dimensions or weight.
The Tartarus Pro favors thumbpad commands; the K0 Max keeps number entry and connects to three Bluetooth devices.
For WoW bars, Tartarus Pro puts 32 programmable keys and an 8-way thumbpad under one hand; assign the pad to navigation or another command. See the WoW hub and keypad guide.
For FFXIV hotbars, Tartarus pairs programmable keys with an 8-way thumbpad. Check whether its two-position wrist rest and thumbpad reach suit your hand. See the FFXIV hub and keypad guide.
Choose K0 Max when one numpad needs to connect to three Bluetooth devices. It also supports 2.4 GHz and USB-C; its 27 keys and five M keys remain available.
K0 Max keeps number entry on a 27-key numpad and adds five M keys. Launcher handles remapping and macros; Keychron lists macOS, Windows and Linux.
For OSRS input context, see the OSRS hub, SayoDevice guide, foot pedal guide and SayoDevice vs Epomaker comparison.
Check the thumbpad reach and key feel before choosing. The Tartarus Pro's two-position wrist rest gives you an adjustment option; K0 Max's 99 x 116 mm dimensions give you a published footprint. Ask Razer for Tartarus Pro measurements if you need a direct size comparison.
Plan the 8-way pad around a navigation or game command you use. Both layouts need your own assignments in Razer Synapse or QMK with Keychron Launcher.
The Razer Tartarus Pro has 32 programmable keys, including an 8-way directional thumbpad. The Keychron K0 Max has a 27-key numpad, knob and five M keys. Those totals describe different layouts, so choose by whether you want thumb commands or number-pad keys.
Keychron lists Bluetooth 5.3 connections to three devices, plus 2.4 GHz and wired USB-C. That fits a setup where one numpad serves several connected systems. Tartarus Pro is the wired option, so K0 Max has the multi-device edge when you use several systems.
Razer says Rapid Trigger resets on upward movement as low as 0.1 mm instead of at a fixed point. Tartarus Pro Analog Optical switches also let you adjust actuation from 1.5 to 3.6 mm. These are listed features.
Keychron lists QMK firmware and the Keychron Launcher web app for key remapping and macros. It also lists support for the K0 Max on macOS, Windows and Linux. Remapping happens in Launcher, giving you a browser-based setup path on those operating systems.
No. Keychron lists up to about 50 hours at lowest RGB brightness and a 750 mAh battery. That maximum applies at the listed brightness setting. The Tartarus Pro is wired, so there is no battery figure to compare.