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“Charging with 120W is a very difficult choice.” Redmi Head on the Difficulties of Implementing Heavy Duty Charging in Redmi Note 11 Pro +

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This week Xiaomi introduced the Redmi Note 11 smartphones, and the top model of the line, Redmi Note 11 Pro +, features support for 120W charging. Now the head of the Redmi brand, Lu Weibing, has spoken on this topic. It was not easy to implement such a powerful system in a mid-range model, he said.

The top manager elaborated on three factors that reveal the essence of the complexity of the solution. The first factor is technical or engineering. At the moment, such fast charging is possible only when using two battery cells – this is the only way to achieve good heat dissipation, as well as make the smartphone thin and light. But placing two batteries in a case is tricky in terms of layout and the location of other components.

The second factor is the high cost of such a solution. Support for charging 120W power requires the use of expensive components in the entire chain: motherboard-battery-cable-charger. For the flagship smartphone, the rise in price under the second factor is not as sensitive as for the mid-range model.

The third factor is the lack of components. A top Xiaomi manager complains that there are no charging controllers on the market, and you can’t buy them, even if you pay extra. Therefore, we have to look for workarounds. Specifically, in the case of Redmi Note 11 Pro +, this solution was to use two 67-watt controllers. So, theoretically, the smartphone supports charging with a capacity of not 120, but 134 watts.

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Viltrox China Red Special Edition Lenses Available at B&H & Amazon

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In October, Viltrox introduced the AF 23mm f / 1.4 XF, AF 56mm f / 1.4 XF and AF 33mm f / 1.4 XF lenses, all tinted red. With their release, the company celebrated the Day of the formation of the PRC. Red autofocus lenses with Fujifilm X mount were released in a batch of 500 pieces. Initially they could only be bought directly, but now they have appeared in B&H and Amazon stores.

Viltrox China Red Special Edition Lenses Available at B&H & Amazon

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Acer Nitro 5 laptops with Core i7-12700H and i5-12500H processors spotted on the website of a French store

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The source found three laptops on the PC21.fr site with 12th generation Intel Core processors (Alder Lake). In the configuration of one of them, the mobile video card GeForce RTX 3070 Ti is indicated. This Acer Nitro AN515-58 gaming laptop is built with a 14-core Intel Core i7-12700H processor and 8GB of DDR4-3200 memory. The display with a resolution of 2560 x 1440 pixels supports refresh rates up to 165 Hz.

In addition, the website of the French store confirms plans to release Acer Nitro 5 laptops (AN517-55 and AN515-58) powered by Core i5-12500H processor with mobile RTX 3050 Ti graphics card. In fact, this is the first time any retailer has mentioned such a GPU. Both laptops are expected to cost less than € 1,300 (inclusive of VAT), which is unfortunately higher than the starting price of € 999 for the latest generation of RTX 3060 gaming laptops.

Specifications for the RTX 3070 Ti are still unknown. The card is expected to have a stripped-down GA104 GPU with fewer cores than the RTX 3080 (6144) and more than the RTX 3070 (5120). The GDDR6 memory will be 8 GB and the bus width will be 256 bits.

As for the Core i5-12500H processor, it is rumored to have 12 cores and can execute 16 threads, which implies 4 high-performance cores and 8 energy-efficient cores. Clock rates are not yet known.

The release of these new products is expected in January, after CES 2022.

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Sales of 64, 128 and 256 GB PNY X-PRO 90 UHS-II memory cards began

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PNY has started selling X-PRO 90 UHS-II SDXC memory cards, according to the source, “designed to keep pace with the growing demand for high-definition photo and video recording.” The line includes storage media of 64, 128 and 256 GB. UHS-II support enables write speeds up to 280MB / s and read speeds up to 300MB / s. That’s enough for 8K video and burst photography.

X-PRO 90 cards are marked with the V90 speed class, meaning that the read and write speed does not fall below 90 MB / s. Of course, this speed is only possible if the memory is used in conjunction with a UHS-II device.

PNY X-PRO 90 UHS-II memory cards of 64, 128 and 256 GB cost 78, 130 and 240 dollars, respectively.

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