Guides / Topic

OcuLink & eGPU

OcuLink vs Thunderbolt/USB4 for eGPU and NVMe: real bandwidth numbers

Thunderbolt and USB4 quote 40 Gbps, OcuLink quotes around 32. In practice OcuLink delivers more of it to your eGPU or external NVMe drive, because it carries PCIe directly instead of tunneling it. Here is what the headline numbers do not tell you.

Damian Krzyzanowski17 July 2026

OcuLink & eGPU

OcuLink eGPU explained: what the port is, what you need, what to avoid

OcuLink carries PCIe lanes directly with no tunneling overhead, making it the cleanest way to add a real graphics card to a handheld gaming PC or mini-PC. Here is what the port actually is, what a working eGPU setup needs, and the mistakes to avoid.

Damian Krzyzanowski16 July 2026