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| The Black Shark 6 Ultra costs around $66 in China. Pictured: the cooling block connected to an iPhone. |
In a move that blurs the line between mobile accessories and desktop PC hardware, Xiaomi has quietly launched a new flagship cooler under its Black Shark sub-brand in China. The Black Shark 6 Ultra is not your typical clip-on fan. Instead, it looks like a miniature liquid cooling system ripped straight out of a gaming rig—complete with a water pump, radiator, and the promise of dropping your device’s temperature below freezing.
While most smartphone coolers rely solely on a peltier (TEC) plate and a fan, Xiaomi has gone a step further by integrating a full liquid-cooling loop into a portable magnetic accessory. According to the product listing, the unit houses a "high-performance" water pump running at over 1200 RPM. This pump circulates coolant to a radiator boasting a surface area of 1,65,900 mm², paired with a high-speed 7-blade fan to dissipate the heat.
The result, according to Xiaomi, is a staggering 56° C temperature drop at the contact surface. Under heavy gaming loads, the cooler can theoretically keep a device running at -31° C, effectively eliminating thermal throttling—a common issue with modern flagship smartphones and gaming handhelds.
Desktop DNA in a Mobile Form Factor
One of the most intriguing aspects of the Black Shark 6 Ultra is its design philosophy. Unlike traditional magnetic coolers that place the fan directly against the back of the phone, this unit uses a magnetic attachment mechanism that houses a TEC cooling chip. This attachment physically separates the connected device from the main "engine" containing the fan, radiator, and pump.
This separation serves two purposes. First, it ensures that the hot air exhausted by the radiator and fan is directed away from the user’s hands. If you’ve ever used a standard cooler where the fan blows hot air onto your fingers during an intense gaming session, this design change is a major quality-of-life improvement.
Second, the attachment unit itself is lightweight. Tipping the scales at just 69 grams with a thickness of 12.8 mm, it doesn’t add significant bulk to your device, making it viable for use with tablets and gaming handhelds, not just phones.
Features, Pricing, and Availability
The Black Shark 6 Ultra isn’t just about raw performance; it also comes equipped with the aesthetic bells and whistles expected of gaming hardware. The main unit features customizable RGB lighting and a small LED display that shows the real-time temperature of the connected surface, allowing users to monitor the cooler’s effectiveness at a glance.
Rated at 48W of cooling power, this device is significantly more powerful than the standard magnetic coolers currently on the market. For those looking to secure one of these advanced units, the launch price in China is set at CNY 459, which translates to roughly $66.
If you are looking for alternatives or want to see how this compares to other high-end magnetic solutions currently available globally, you can check out the existing inventory of Xiaomi accessories. For instance, the 30W Xiaomi magnetic cooler is currently available for $54.40 on TradingShenzhen. You can view that listing here.
Will It Go Global?
As of now, Xiaomi has only confirmed the Black Shark 6 Ultra for the Chinese market. It is available via platforms like JD.com, where the official listing can be found here. However, Black Shark accessories have historically enjoyed a strong presence in select global regions. Given the increasing popularity of gaming handhelds (like the Steam Deck and ROG Ally) and the demand for sustained performance in mobile gaming, it would not be surprising to see Xiaomi roll out this innovative desktop-style water cooler to international markets in the coming months.
For mobile gamers and enthusiasts who demand peak performance without the risk of overheating, the Black Shark 6 Ultra represents one of the most technologically ambitious cooling solutions ever designed for a handheld device.
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| Core highlights of the cooler (machine translated) |
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| The radiator (machine translated) |
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| The internals of the main cooler (machine translated) |