KIOXIA Launches QLC-Based SSD for Hyperscale Data Centers

Event summary

KIOXIA America, Inc. introduced the E1.L form factor SSD LD4 Series, built with BiCS FLASH™ generation 8 QLC flash memory.
The LD4 Series targets hyperscale data centers and scale-out environments with capacities up to 30.72 TB, scalable to 122.88 TB.
The SSDs are PCIe® 5.0 (Gen 4 x4) and NVMeTM 2.0e specification compliant, designed for read-intensive applications.
Sampling to select customers began in October 2026, with a showcase at the 2026 OCP Global Summit.

The big picture

KIOXIA's LD4 Series SSD launch addresses the growing demand for high-capacity, read-intensive storage solutions in hyperscale data centers. As AI workloads and data-intensive applications expand, the need for efficient, high-density storage becomes critical. This move positions KIOXIA to capitalize on the increasing storage requirements of modern data centers, potentially reshaping the competitive landscape in the SSD market.

What we're watching

Adoption Pace: The pace at which hyperscale data centers will integrate the LD4 Series into their infrastructure.
Competitive Response: How competitors like Western Digital and Micron will react to KIOXIA's QLC-based SSD offering.
Scalability Impact: Whether the validated architecture enabling capacities up to 122.88 TB will drive further innovation in high-density storage solutions.