Amazon has found its 'own way' to cool down Nvidia's AI graphics cards
Amazon Web Services
(AWS), stated in a YouTube video that commercially available cooling equipment was not suitable and building data centres with widespread liquid cooling would have taken too much time. This led
Amazon
to develop its methods that can better manage the heat from these power-intensive Nvidia GPUs.
What the AWS VP said about these tools developed for Nvidia GPUs
Talking about the cooling equipment available for AI GPUs in the video, Brown said: 'They would take up too much data centre floor space or increase water usage substantially. And while some of these solutions could work for lower volumes at other providers, they simply wouldn't be enough liquid-cooling capacity to support our scale.'
So, instead of relying on conventional solutions, Amazon engineers developed the
In-Row Heat Exchanger
(IRHX), a cooling system that can be integrated into both existing and future data centres. Previously, these traditional air cooling methods have been sufficient for earlier Nvidia chip generations.
Introducing Amazon EC2 P6e-GB200 UltraServers: Powering Frontier AI at Scale | Amazon Web Services
In a blog post, Brown also confirmed that AWS customers can now access this updated infrastructure through new P6e computing instances. These new offerings support Nvidia's high-density computing architecture, particularly the GB200 NVL72, which consolidates 72 Nvidia Blackwell GPUs into a single rack for training and deploying large AI models.
Previously, similar Nvidia GB200 NVL72-based clusters were available via Microsoft and CoreWeave. AWS, as the leading global cloud infrastructure provider, continues to enhance its capabilities.
Amazon has a history of developing its infrastructure hardware, including custom chips for general computing and AI, along with in-house-designed storage servers and networking equipment.
This approach reduces reliance on external vendors and can improve profitability. AWS posted its highest operating margin since at least 2014 during the first quarter, contributing significantly to Amazon's overall net income.
Microsoft, the second-largest cloud provider, has also moved into custom hardware. In 2023, it introduced a cooling system called Sidekicks, tailored for its Maia AI chips.
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The Wall Street Journal previously reported on the White House has paired his courtship of the Trump administration with a steadfast determination to keep a foothold in China, often baffling colleagues with trips across the Pacific to meet with officials as trade war rhetoric between the countries escalated. Ultimately, Huang's campaign was also aided by Chinese pressure in ongoing trade negotiations with the United Wednesday, Huang signed autographs in an appearance in Beijing while demurring about his influence on Trump's decision. "I don't think I changed his mind," Huang said. "It's my job to inform the president about what I know very well, which is the technology industry, artificial intelligence, the developments of AI around the world."Huang, 62, was a reluctant lobbyist. An electrical engineer by training, he used to consider government affairs trivial, said two former employees, who asked to be anonymous because they still work in the tech he had to jump into Washington politics when the company's AI chips became enmeshed in global politics. Fearing the chips could be used to coordinate military strikes and develop weapons, the Biden administration approved rules restricting sales to China. The Trump administration promised to crack down the inauguration, Huang visited the White House and met Trump for the first time. Huang talked about AI policy and semiconductors, but afterward, the president told reporters that he couldn't say whether he would ban more of Nvidia's chip sales to China. Like officials in the Biden administration, Trump's advisers were concerned that the chips would help Chinese businesses match American AI April, the Trump administration warned Nvidia that it planned to shut down sales of the last AI chip it offered in China, said four people familiar with the Secretary Howard Lutnick, who oversees export restrictions, invited Huang to Mar-a-Lago to meet with the president and make a last-ditch appeal, the people said. On the sidelines of a $1-million-a-head candlelight dinner, Huang tried to persuade Trump not to curb chip sales to China, the four people said. He explained that Nvidia's chip in question, known as the H20, was far less powerful than what the company sold to the rest of the world. Losing access to China would hurt U.S. companies and help Chinese officials who were briefed later on the conversation thought Huang had undersold his chips' usefulness. The H20 was packed with memory capable of processing complex requests, and Chinese customers were spending billions of dollars for it. Two weeks later, the administration sent Nvidia a letter shutting down sales of the chip to David Sacks, a longtime Silicon Valley investor who had become the White House's AI czar, was more receptive to Huang's position about China than others in the administration, two people familiar with his thinking said. Sacks disliked another Biden administration rule that controlled AI chip sales around the world. He also questioned Washington's consensus that selling AI chips abroad would be bad for the United began speaking regularly with Sacks and Sriram Krishnan, who works on AI in the administration, these people said. His concerns about Chinese company Huawei began to resonate with Sacks after Huawei announced a new AI system, which it called the CloudMatrix 384, that delivered performance competitive with U.S. a conference in Washington in April, Huang urged the administration to loosen restrictions on chip sales. "China is not behind," he said. "Are they ahead of us? China is right behind us. We're very, very close."Huang later appeared alongside Trump at a White House announcement of a $500 billion investment by Nvidia in U.S. manufacturing. In what Nvidia executives later said were unplanned remarks, Trump smirked as Huang laughed and said, "Without the president's leadership, his policies, his support and very importantly his strong encouragement -- and I mean his strong encouragement -- frankly, manufacturing in the United States wouldn't have accelerated to this pace."The next day, Huang spoke to the House Foreign Affairs Committee, which has responsibility for overseeing limits on chip sales abroad. He criticized the Biden administration's rules limiting chip sales and warned that banning sales to China would harm, not help, the United States. He also parried questions about whether DeepSeek, a Chinese startup that shocked the tech industry this year when it unveiled an AI system comparable to American-made systems, had used Nvidia technology , said two legislative aides familiar with the meeting."His objective is to always fundamentally provide the information, whether it's policymakers or others in the Beltway, need to hear or want to hear and answer their questions," said Tim Teter, Nvidia's general counsel, who joined Huang in Washington during that visit. "He did exactly that."In the weeks that followed, Sacks helped dismantle the Biden rule that put caps on the number of chips Nvidia could sell to every country in the world, four people familiar with the process said. The maneuver cleared the way for Sacks to help Nvidia sell chips to Saudi Arabia and the United Arab May, Huang traveled to the Middle East with Trump. Sacks, by now Huang's ally, negotiated a blockbuster deal to deliver hundreds of thousands of today's most advanced chips from Nvidia annually to build one of the world's largest data center hubs in the the sales process, Sacks and Huang began advancing the same rationale for selling AI chips, two people said. To win the AI race, they said, the U.S. government should encourage purchases of U.S. technology rather than create a reason for countries to buy similar Chinese Nvidia, it felt like a major breakthrough when Trump called Huang a "friend" during the Huang wasn't satisfied with winning the Middle East. He wanted a return to China as after securing the multibillion-dollar deal with the UAE, Huang traveled to Taiwan for an annual computer conference. He spoke to reporters on the sidelines and said Washington's regulation of chip sales to China had only made Chinese companies stronger."All in all, the export control was a failure," Huang week, Huang returned to Washington to meet with think tank leaders, political reporters and White House officials. His message was similar to the one he and Sacks promoted after their trip to the Middle East: Countries around the world should be encouraged to build on U.S. chips and software."The American tech stack should be the global standard, just as the American dollar is the standard by which every country builds on," Huang said during a podcast recorded last week in Washington with the Special Competitive Studies Project, a think delivered that same message to Trump last week in the Oval Office, two people familiar with the meeting said. Sacks was seated nearby, lending his support. By the end of the nearly hourlong meeting, Trump said Nvidia's chips could return to said on CNBC that the approval was linked to ongoing trade talks with China, which recently agreed to supply rare earth magnets to American companies. The idea was to sell Chinese businesses Nvidia's fourth-best chip, he said, so that "they get addicted to the American technology stack."Days later, Huang traveled to Beijing and held a news conference to tell customers that Nvidia was open for business. Huang, now the world's sixth-wealthiest man, amiably chatted with reporters about his relationship with Trump. The atmosphere was jubilant.
