Corsair K100 RGB VS Logitech MX Master 3S
Verdict DROP IT BUY IT
The Reality iCUE's real-world reliability record undercuts the 'seamless' framing. On Corsair's own community forum, users report iCUE's automatic updater repeatedly failing and, in some cases, uninstalling the software entirely rather than updating it. Independent outlet PC Gamer has criticized iCUE more broadly, with staff describing it as 'at best, an okay piece of software, and actively annoying at worst,' citing stability problems including the application consuming as much as 19GB of RAM during continuous multi-day use. Corsair's own response was to build a separate website letting users authorize browser-based firmware updates specifically so they could bypass iCUE for that task. An independent teardown comparing the MX Master 3 to its predecessor reached 216 points and 189 comments on Hacker News — real engagement, but noticeably smaller than the Steam Deck or Framework Laptop threads checked in this same batch. That's not a red flag for a mouse (peripherals rarely generate hardware-launch-scale hype), but it's a fair, honest comparison point worth stating plainly rather than dressing up as bigger than it is.
SHORT ANSWER
Corsair K100 RGB: Corsair markets the K100's iCUE software as seamless, but users on Corsair's own forum report the updater regularly failing or uninstalling itself, prompting Corsair to build a separate browser-based tool just to update firmware without iCUE.
Logitech MX Master 3S: The Logitech MX Master 3S has real but modest Hacker News engagement (216 points, 189 comments on an independent teardown) — genuine interest for a peripheral, though far smaller in scale than major PC/laptop hardware launches.