Jeff Geerling personal blog
1.5 TB of VRAM on Mac Studio – RDMA over Thunderbolt 5
Apple gave me access to this Mac Studio cluster to test RDMA over Thunderbolt, a new feature in macOS 26.2. The easiest way to test it is with Exo 1.0, an open source private AI clustering tool. RDMA lets the Macs all act like they have one giant pool of RAM, which speeds up things like massive AI models. The stack of…
- Points
- 617
- HN comments
- 228
- Submissions
- 1
- Cited by
- 5 commenters
Hardware & ElectronicsAI & Machine Learning2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Dec 18, 2025 | 1.5 TB of VRAM on Mac Studio – RDMA over Thunderbolt 5 by rbanffy | 617 | 228 |
Cited in comments
Linked from 5 Hacker News comments by 5 different people, from Mar 2026 to Oct 2026.
Most recent:
