SixRackUnits
Hitesh KumarSixRackUnits (6RU) focuses on news about the technology itself of AI/HPC hardware, rather than the money surrounding it. If you want to know the detail behind the hardware news you read, we're here for you.
| Platform |  | Pricing | Only free issues | Publishes | Monthly |
|---|---|---|---|---|---|
| Issues | 22 | Subscribers | Read | sixrackunits.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Why now? Arista’s XPO: 100s of liquid-cooled TB/s per rack unit
Arista showcases an incredibly dense 12.8T pluggable optical transceiver. Coming with integrated liquid cooling, and designed for an already mature supply chain and manufacturing base, Arista are placing their bets on availability and servi...
GTC Rundown - Important Stuff Only
The insides of the upcoming Spectrum-X SN6810, an Ethernet switch using NVIDIA’s CPO technology to provide 128 ports of 800G with no pluggable transceivers. Front and centre are the plumbing and fibres for cooling the ELS (External Laser So...
February 2026
History is supposed to repeat itself. Usually, we look back at the past year to how our plans unfolded and developed and try to learn from that, to see what we can do differently this year. This of course, assumes that the coming year will ...
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Authors
The writers behind this newsletter.
I really like AI/HPC hardware!
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