
Logitech G
G600 MMO Gaming Mouse
MMO button beast, but discontinued and double-click prone.

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ROG Spatha is the biggest gaming mouse I have ever used or seen. Highly recommended
Check out the Asus ROG Spatha, I have large hands and use it pretty easily for prolonged periods
I used to really love the moba mouse that razer used to make. It had like six in a circle and it was cool. The Asus spatha kinda comes close but it feels like they could have organized the buttons better. The Corsair ironclaw looks promising, but I’d really wanna get my hands on it first because the layout also looks odd.
If you can find it on sale, the ASUS ROG Spatha has been my best friend. MMO mouse with a diamond like layout. https://preview.redd.it/u8egtta32xbf1.jpeg?width=1179&format=pjpg&auto=webp&s=b2678a69bd704b45d54200cb4b907e35f2738adb
+1. It's simply incredible, I love that mouse. Large, heavy, an absolute tank, and it's even wireless with a charging dock included. And the amount of buttons is perfect. Only downside though is that those side buttons feel unfathomable cheap for a 150$ mouse, and that's why I'm switching back and forth between that one and my Roccat Kone, those mechanical side buttons just feel so much better, even though the mouse is just flimsy in comparison.
Serious answer, as I've got pretty big and especially long hands as well: the ROG Spatha. Not only is it an absolute unit of a mouse, I've also yet to touch another mouse feeling this high quality and indestructible as the Spatha, and it's a very decent mouse overall. Good amount of buttons put in places where you won't confuse them, and the software isn't as bad as it used to be any more. You can even run it wireless, works like a charm. Only downside is that it's pretty pricey, but it's definitely worth it.
I bought it and returned it twice. Liked it but I'm basically a lilbit h

Logitech G
G600 MMO Gaming Mouse
MMO button beast, but discontinued and double-click prone.

VXE
Dragonfly R1 Pro
Lightweight value champ, but small with some QC issues.

Hitscan
Hyperlight
Ultra-light for small hands; 8K dongle sold separately.

Logitech G
G502 HERO High Performance Gaming Mouse
Durable, many buttons, adjustable weight; prone to double-clicks.

Razer
Viper V3 Pro
Lightweight, adaptable shape, high performance; scroll wheel issues.

Ranked #1
Razer - Viper V3 Pro

Ranked #1
Teevolution - Terra

Ranked #1
Razer - Viper Ultimate

Ranked #1
Glorious - Model D Series

Ranked #1
Logitech G - G600 MMO Gaming Mouse

Ranked #1
Razer - Naga Trinity