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- SerDes cable directions
SerDes cable directions
SemiAnalysis's annotated chart drew 32.5K views on X: 0.6x its typical post and #27 of 33 SemiAnalysis charts we track by views. Read Oct 10, 2026.
TECHNICAL & PROFESSIONAL ALERT: The doubling of bandwidth per logical GPU from NVLink 5 in GB300 NVL72 to NVLink 6 in Vera Rubin NVL72 are made possible by using a simultaneous bi-directional SerDes for the copper backplane instead of incre
Why it spread
This post spread because it came from an independent author with a big source, reaching the top quarter of source reach and drawing 32,505 views, 196 likes, 15 reposts, 2 quotes, and 92 saves, even though its quote rate sat in the bottom quarter.
What worked
- It led with a technical and professional alert framing that promised a specific engineering explanation rather than a vague teaser.
- It named concrete hardware generations and the exact mechanism, a simultaneous bi-directional SerDes for the copper backplane, instead of raising modulation or baud rate.
- It paired a big source with an independent author, which gave the claim credibility while keeping an outsider voice.
What to borrow
We could frame our own chart around one precise mechanism change and state the before and after hardware generations plainly, then let the numbers carry the surprise.
Careful
Do not copy the alert style if we cannot back the mechanism with our own data, and do not over-read the low quote rate or the missing comment and points figures as proof of weak engagement.
Written by our analysis model from the measured numbers above, not by SemiAnalysis.
Make it yours
Your numbers, in this table chart.
Starts from the real numbers of "UniDirectional SerDes vs BiDirectional SerDes" by SemiAnalysis. Replace every number with yours before you post. Make one like this, step by step
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API · Max
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On the Max plan you can pull this chart's numbers with the provenance of each one, as JSON or CSV, with its redraw spec, or call it from an agent over MCP. Chart id e4470e3c7292.
| Path | Returns | Plan | |
|---|---|---|---|
| GET | /api/v1/charts/e4470e3c7292 | Title, publisher, date, form, point count; with a Max key, the data link | Open |
| GET | /api/v1/charts/e4470e3c7292/data | Every point with its provenance and confidence, plus the redraw spec. Add ?format=csv for CSV | Max |
| GET | /api/v1/charts/e4470e3c7292/render?view=1 | The draw-only view this page uses | Open |
| POST | /mcp | Tool get_chart_data with this id, for Claude, Cursor and other agents | Max |
curl -s https://viral-chart.com/api/v1/charts/e4470e3c7292/data \
-H "Authorization: Bearer $VIRALCHART_KEY"claude mcp add --transport http viralchart https://viral-chart.com/mcp \
--header "Authorization: Bearer $VIRALCHART_KEY"60 requests a minute per key; over that you get 429 with Retry-After. Up to 5 keys per account, made on your account page and shown once. Without Max, the data route answers 402 with a link to the plans. The numbers describe a chart its publisher owns, and every file carries a license note.
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Questions people ask
How far did SemiAnalysis's "SerDes cable directions" chart travel?
32,505 views, 196 likes, 15 reposts and 92 saves on X, read Oct 10, 2026. A normal post from @SemiAnalysis_ gets about 52.2K views.
What kind of chart is it?
A annotated chart.
Can I use SemiAnalysis's chart?
Use the format, not the picture. The chart, logo and design belong to SemiAnalysis. ViralChart redraws the chart type with your numbers and words, and credits the original publisher.