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 | 18 | Subscribers | Read | sixrackunits.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
De-Mystifying NVIDIA's CX-8 PCIe cards
When NVIDIA announced the CX-8, things didn’t quite add up.
B300 Field Notes (for the AI Infra/Performance Engineer)
Beautiful… Love seeing the `nvidia-smi` printout every time I log into a GPU node
Optical Transceiver Q&A
Ideally, this document will grow - slowly but surely - into a comprehensive and powerful reference for anyone working with optical transceivers or optical network design. And it won’t be a solo effort!
October 2025
What defines a network? Is it the sum of the parts connected, or the connections between the individual parts? What would be scarier if broken?
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Authors
The writers behind this newsletter.
I really like AI/HPC hardware!
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