OWC Stack AI Thunderbolt 5 Peripheral Expands Local GPU Memory

OWC announces Stack AI, a Thunderbolt 5 peripheral that expands local GPU memory using high-speed flash storage. Debuting at COMPUTEX 2026.

By Marek Novák

Published May 22, 2026 6:48 PM

OWC Stack AI Thunderbolt 5 Peripheral Expands Local GPU Memory

Other World Computing announced the Stack AI, a new Thunderbolt 5 peripheral designed for local artificial intelligence workloads. The device functions as both an external storage hub and an accelerator for graphics processing units.

Thunderbolt 5 external flash hub for local AI workloads

The hardware expands available GPU memory by utilizing high-speed flash storage. It features one 60W output Thunderbolt 5 uplink port alongside three downlink ports. The unit also includes three USB-A ports operating at 10Gbps speeds to support additional peripherals.

OWC Stack AI Thunderbolt 5 peripheral with external flash storage for local GPU memory expansion and AI acceleration workloads.

Other World Computing plans to debut the Stack AI physically at COMPUTEX 2026 in Taipei. The company scheduled a release for the fourth quarter of 2026, with availability limited to the United States market.

The product targets users who need to run larger artificial intelligence models on local machines without relying entirely on cloud computing resources. This approach addresses growing demand for dedicated hardware that bridges the gap between standard storage solutions and specialized AI acceleration tools.