Data centers store information on several kinds of media, each with its own balance of speed, capacity and cost. Here is how the tiers fit together.
Data processing units take over networking, storage and security chores from a server's main processor. Here is what they are, why clouds use them and how...
Every server reaches the network through a network interface card. Here is what NICs do, how SmartNICs differ and why AI servers carry several high-speed cards.
Switches are the traffic directors of every data center. This explainer covers what happens inside one, the difference between switches and routers and why switch chips...
Spine-leaf design replaced the old tree-shaped data center network. Learn how it works, why every rack is just a few hops from every other and how...
Latency is the delay between asking and getting an answer. Here is where it comes from, how it is measured and why it shapes where data...
The cables on the ocean floor carry the overwhelming majority of intercontinental data. Their story starts with Victorian telegraphs and runs straight through to the AI...
Every fiber link in a data center starts and ends at a transceiver. Here is what these finger-sized modules do, how they are named and why...
AI clusters are usually connected with either InfiniBand or Ethernet. This explainer walks through what each technology is, where it came from and the tradeoffs builders...
Most traffic in a modern data center never leaves the building. Here is how data flows between servers, racks and the outside world, and why AI...
When thousands of chips work together for weeks, some hardware will fail along the way. Here is how AI clusters are designed to keep going when...
Delivering steady power to an AI accelerator is a major engineering task. Here is how voltage regulation and power delivery work, from the rack down to...
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Public beta open on TestFlight · App Store review pending
Markets and the AI build-out on iPhone, iPad and Apple Watch: live quotes, plain-English research and headlines, with in-app trading on the way.
Free on iPhone, iPad and Apple Watch · Public beta open on TestFlight · App Store review pending
Coming soon
Every app in the family is coming to Apple’s new foldable. Open it, and each app spreads into a two-pane layout: the feed on one side, the story on the other.