Kioxia unveils massive 122.88TB SSDs for hyperscalers
Kioxia Unlocks Next-Generation Storage with Ultra-Dense SSDs
The race for massive, high-performance storage solutions in hyperscale data centers is heating up, driven by the insatiable demands of artificial intelligence and data repositories. Into this highly competitive landscape, Kioxia has introduced a new line of solid-state drives (SSDs) that promise to redefine density and capacity, targeting the extreme demands of large-scale deployments.
These new LD4-series SSDs arrive in an E1.L form factor, a design specifically engineered to maximize storage density. With capacities soaring up to 122.88TB, these drives are built using proven BiCS8 3D QLC NAND technology. They are explicitly aimed at workloads that are heavily read-intensive, such as massive AI data repositories and large-scale object storage systems.
Beyond sheer capacity, the innovation lies in the physical design. The E1.L format—measuring 318.75 mm in length, 38.4 mm in height, and 9.5 mm in thickness—allows numerous 3D NAND flash packages to be housed on an elongated printed circuit board. This ingenious design enables system manufacturers to pack multiple drives into a thin 1U server, drastically increasing storage capacity without requiring extra rack space. This is a game-changer for operators focused on maximizing density in their infrastructure.
Technologically, the drives adhere to the NVMe 2.0e specification and feature a single-port configuration, aligning them with the Open Compute Project Datacenter NVMe SSD specification 2.6. While the drives are built on a platform compliant with PCIe 5.0, they operate at PCIe 4.0 x4 speeds, delivering a theoretical maximum bandwidth of approximately 7.88 GB/s in each direction.
Despite these impressive architectural details, Kioxia has chosen to keep the specific performance metrics—such as sequential speeds, IOPS, latency, and endurance ratings—under wraps. This omission is typical of cutting-edge hardware launches, but for hyperscale operators, these performance specifications are critical for assessing the true cost, longevity, and operational efficiency of any storage investment.
Kioxia is currently sampling drives of 15.36 TB and 30.72 TB to select customers. The company will be demonstrating the capabilities of the LD4-series at the OCP Global Summit in San Jose in mid-October, offering a real-world look at how this new storage architecture can revolutionize data center density.
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