Kioxia Launches E1.S SSDs with Liquid Cooling for AI Data Centers
Event summary
- Kioxia introduced the NX1 Series E1.S PCIe® 5.0 NVMe™ SSDs with direct liquid cooling support for AI and hyperscale environments.
- The new drives offer up to 38% higher sequential write performance and 20% higher random write performance compared to the previous generation.
- Available in 9.5mm (supports liquid/air cooling) and 15mm (air-cooling only) form factors, with capacities ranging from 1.92TB to 15.36TB.
- The NX1 Series is currently sampling to select hyperscale customers and will be showcased at FMS: the Future of Memory and Storage in August 2026.
The big picture
Kioxia's NX1 Series targets the growing demand for high-performance, power-efficient storage in AI-driven data centers. As hyperscale operators and cloud service providers expand their GPU-enabled server deployments, the need for advanced thermal management solutions like direct liquid cooling becomes critical. This launch positions Kioxia as a key player in the evolving data center storage market, particularly for AI workloads.
What we're watching
- Adoption Pace
- How quickly hyperscale customers will integrate the NX1 Series into their AI infrastructure.
- Competitive Response
- Whether competitors like Samsung or Micron will accelerate liquid-cooling SSD development.
- Performance Scaling
- The pace at which Kioxia can enhance performance metrics in future generations of E1.S SSDs.
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