# EasySMX D10: My Steam Deck Temperature Checks, One Fan Setting at a Time > Trying the add-on cooler, then changing the Deck’s own fan setting too. Canonical page: https://pyrosoft.pro/blog/easysmx-d10-cooling-tests-13c-improvement-on-steam-deck-8c246815 Published: 2026-11-04 Some links to other products on this page are affiliate links, and we may earn a commission if you buy through them. It costs you nothing extra, and it has not changed what this article says — where a competitor is the better answer, we say so. I want to put some numbers beside the D10’s first fit on my Steam Deck. For this video, I run Cyberpunk under a heavy load and spend roughly five minutes at each setting before talking through the temperature readings. ## Start with the normal fan curve My starting reading is around 80°C without the add-on cooling. With the D10 on low, I report about 74°C, and the medium setting takes that to about 73°C. The low setting interests me most because it sounds quieter to me. That is a listening impression, without a sound-meter reading. ## High, then a second change On high, I describe a roughly 10°C reduction from the starting point. Then I change something else: I turn the Steam Deck’s own fan up through software. The final reading is about 67°C. The 13°C difference in the video title belongs to that combined setup, including the internal-fan change. It should not be read as a result from the accessory alone. ## An encouraging first session These are the readings from my short October 2023 test, without repeated ambient-controlled runs or a battery-endurance measurement. They do not establish the same reduction or a performance gain for every game and room. The [original M10 and D10 care-package video]() shows the cooler’s first physical fit. This follow-up is where I start trying its settings under load. The original description lists MikeTheTech for 12% off; availability and current exclusions may differ. The original course URL includes MIKETHETECH, without a stated amount or expiry. Original credits also include `http://eme7.com/` and `http://discord.mikethetech.com/`. ## Links from the video **Affiliate disclosure:** These links may earn me a commission at no extra cost to you. - [EasySMX D10 original cooler product link]() - [GameDev.tv original Unreal Action Adventure course link]() - [MikeTheTech original channel membership link]() **Coupon code: MikeTheTech** — 12% off. Original EasySMX offer. No expiry stated; current terms and eligibility may differ. **Coupon code: MIKETHETECH** — Amount not specified. Original course URL code; no amount or expiry in the description. Separate from hardware offers. Links and offers are from the video description. Availability, prices and offer terms may change.