Elecom EX-G Trackball

By Xah Lee. Date: . Last updated: .

Elecom EX-G Trackball series came out starting in 2014. Second generation came out in 2015-10.

There are left-handed version, right-handed version, and also wired and wireless versions.

Elecom EX-G Trackball MX8q-s1200
[photo by Meercreate 2021-10-16]
Elecom EX-G Trackball ccxv-s1200
[photo by Meercreate 2021-10-16]
elecom ex-g trackball xvPZc
Elecom EX-G trackball [image source [2021-03-22 https://twitter.com/nekotrackball/status/1369516246404722692 ]]

Hold the pinky strip button slow down DPI.

Ball Size

Ball diameter is 34 mm.

Trackball Ball Sizes and Replacement

Software to Reprogram Buttons

However, software are available to reprogram the buttons, for Microsoft Windows and Mac.

elecom ex-g trackball software
Elecom EX-G trackball software

download Elecom Mouse Assistant at http://www.elecom.co.jp/global/download/utility/mouse_assistant/

Work in Linux?

As of 2021-10-16, all buttons works on linux out of the box. Linux kernel dated before 2019-05-30, the pinky button may not work.

the M-XT3DR model is NOT fully functional in Linux out of the box; the rightmost button isn't detected at any level, and “right click” comes mapped to the middle button. — user Trilkhai, 2017-02-11

The top left 2 buttons are browser back and forward.

You can remap mouse buttons in Linux using xinput. [see Linux: How to Swap Mouse Buttons]

Size Comparison

elecom ex-g logitech m570 trackball 99035-s1049x610
Microsoft TrackBall OpticalLogitech M570 TrackballElecom EX-G Trackball 2592×1944 [image source geekhack.org ]
elecom ex-g logitech m570 trackball p77vc-s1163x421
2580×935Logitech M570 TrackballElecom EX-G Trackball [image source geekhack.org ]
trackballs 2017-08 89b67-s333x188
Trackball Size Comparison

Left-Handed Version

elecom wireless trackball lefthanded M-XT 87
Left handed, wireless, version. ELECOM M-XT4DRBK. Buy at amazon

Model Numbers and Differences

Elecom M-XT1DRBR
First generation. Wireless.
Elecom M-XT1URBK
First generation. Wired. Buy at amazon
Elecom M-XT2DRBR
Second generation. Hold the pinky button to slow down cursor. Hardware function.
Elecom M-XT3DRBK
Wireless. No hold pinky button to slow down feature. Buy at amazon
Elecom M-XT3URBK
Wired. Buy at amazon
Elecom M-XT4DRBK
Left handed version. Wireless. Buy at amazon

Elecom EX-G Pro

elecom ex-g pro trackball f5d09-s286x218
Elecom EX-G Pro