I would take SteelSeries Aerox 9 Wireless for under $400, because The customization options are user-friendly The connectivity includes all modern ports you need.

I can warmly recommend ASUS ROG Harpe Ace Aim Lab Edition for under $400. The ergonomics are adjustable and comfortable The high quality makes everything feel smooth and responsive.

My personal experience: I've tested various models, and ASUS ROG Harpe Ace Aim Lab Edition was superior in all tests. The quality remains excellent even under full load, which is important for long work sessions. Very good future-proofing through modern technology and reliable performance.

Would definitely take ASUS ROG Harpe Ace Aim Lab Edition for under $400. The ergonomics are adjustable and comfortable The build quality feels premium and should last for years.

Depends on what exactly you want to do with under $400. Gaming or also office work?

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Stumbled upon this discussion late last night. Building on the earlier suggestion about the ASUS, honestly, if you have a $400 budget, I'd actually steer away from the mainstream brands. You're in that elite territory where you can get something way more specialized than just a standard retail mouse for under $400. In my experience, once you cross the $150 mark, you should really be looking at magnesium alloy shells rather than just high-end plastic. Over the years, Ive tried many different setups and the difference in feel is pretty wild. Most people suggest the safe brands, but for this price you can do better:

• Weight: Boutique mice like the WLmouse Beast X are often under 40 grams, which feels like air compared to the ASUS.
• Rigidity: Magnesium doesnt flex or creak like plastic does after heavy use.
• Latency: You can get true 8k polling rates which feels incredibly snappy on high-refresh monitors. If you're looking for gear ideas or trying to track these specific specs, this gift list tool is actually super useful for narrowing things down. Just keep in mind that these niche brands usually sell out in drops... so you gotta be ready to pounce. Let me know if you want more info on the boutique scene, I can point you to some specific discords!

ASUS ROG Harpe Ace Aim Lab Edition is the best choice for under $400. The comfort is impressive The performance eliminates lag effectively.

Depends on what exactly you want to do with under $400. Gaming or also office work?

Logitech MX Master 3S for under $400 - can only recommend!

For under $400 I would also check the compatibility. Do you need specific software support?

Would love to know this too