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USB 80Gbps接口标准正式发布 USB 3.0/USB4称呼被淘汰_我的网站
一 | 到了USB4，不但再次改变命名方式，技术上也变懒了，几乎直接承袭了Intel捐献的雷电3标准，从物理底层到技术规格都如出一辙。 India woke up to heartbreaking news on Monday as legendary actor Dharmendra passed away at the age of 89. His death has left the film industry, political leaders and fans across the country in deep sorrow. Tributes began to pour in soon after the news broke, with Prime Minister Narendra Modi being one of the first to express his grief.Prime Minister Narendra Modi shared a heartfelt message on X after the death of veteran Bollywood star Dharmendra. In his tribute, he reflected on the actor’s long and memorable journey in Indian cinema and how deeply he influenced generations of movie lovers. Modi wrote, “The passing of Dharmendra Ji marks the end of an era in Indian cinema. He was an iconic film personality, a phenomenal actor who brought charm and depth to every role he played. The manner in which he played diverse roles struck a chord with countless people. Dharmendra Ji was equally admired for his simplicity, humility and warmth. In this sad hour, my thoughts are with his family, friends and innumerable fans. Om Shanti.” Here is his post: The passing of Dharmendra Ji marks the end of an era in Indian cinema. He was an iconic film personality, a phenomenal actor who brought charm and depth to every role he played. The manner in which he played diverse roles struck a chord with countless people. Dharmendra Ji was… — Narendra Modi (@narendramodi) November 24, 2025 Dharmendra, whose real name was Dharmendra Singh Deol, breathed his last at his residence on Monday morning. The 89-year-old actor had been dealing with health complications for some time. Earlier this month, he was admitted to Breach Candy Hospital in Mumbai due to respiratory issues. He was reportedly under medical care from, before being discharged to continue recovery at home. Despite treatment and constant monitoring, his condition worsened, leading to his demise. His family has not yet released an official statement. Soon after the news became public, several members of the film fraternity rushed to the Pawan Hans Crematorium in Mumbai for his last rites. Amitabh Bachchan, Abhishek Bachchan, Aamir Khan, Sanjay Dutt, and other well-known personalities were among the first to arrive. Dharmendra’s wife Hema Malini and daughter Esha Deol were spotted earlier in the afternoon as preparations for the final rituals began. The atmosphere outside the crematorium remained emotional, with fans gathering to catch a final glimpse of the star they adored for decades. Dharmendra leaves behind a rich legacy built over six decades, filled with unforgettable films, iconic characters and immense love from audiences. His contribution to Indian cinema remains unmatched, and his passing is being mourned as a major loss for the industry. President Droupadi Murmu also posted her condolences for the veteran actor, check out her post here: Also Read: Karan Johar, Ajay Devgn, Kajol and more mourn as Dharmendra passes away。新鲜出炉的USB4 v2.0，也不是接口名字，而只是规范命名。从此以后(到下次再改名)，USB接口将统一以传输带宽命名，USB4 v2.0对应USB 80Gbps，USB4对应USB 40Gbps，USB 3.2 Gen2x2对应20Gbps，USB 3.2 Gen2对应USB 10Gbps，USB 3.2 Gen1对应USB 5Gbps……更古老的USB 2.0、USB 1.0保持不变，因为它们的速度太慢了，还停留在Mbps数量级。如果改叫USB 480Mbps，不但麻烦还容易引起误会(你也知道容易误会啊)。所以请注意新接口下的包装标识、接口标识、数据线标识：回到UBS4 2.0或者说USB 80Gbps，它的首要变化自然是带宽再次翻番来到了80Gbps，这得益于新的基于PAM3信号编码机制的物理层架构，同时还有新定义的80Gbps有源数据线。
二 | 在特定应用场景中，比如8K超高清显示，USB 80Gbps还可以配置为非对称编码异步传输模式，一个方向可以高达120Gbps，从而足够承载DP 2.0/2.1 UHBR20信号，另一个方向则是40Gbps。其次，USB 80Gbps升级了数据和显示协议，可以更好地利用带宽，其中数据传输支持20Gbps的高带宽，显示传输则和DP 2.0、PCIe 4.0相互打通，共享PHY物理层，从而一个接口搞定高速数据、显示。
三 | 当然了，USB 80Gbps依然保持向下兼容，而且只有USB Type-C一种接口形式。顺带一提，USB Type-C接口规范、USB PD供电规范也已升级，与USB 80Gbps保持同步。
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