- SK Hynix Introduces 245TB PS1101 Gen5 SSD for AI and Cloud Workloads
- The PS1101 was introduced alongside small Gen5 SSDs and clients
- High-capacity PCIe Gen5 SSDs emerge as storage makers prepare larger models for 2026
Enterprise SSD capacities continue to increase as manufacturers push storage density to new limits.
In 2024, we’ve seen multiple 123TB models from Solidigm, Phison, WD, and Samsung, and this year has already brought announcements of 245TB PCIe Gen5 SSDs from Kioxia and Huawei, as well as an even larger model from Sandisk.
Kioxia expanded its LC9 series enterprise SSD lineup with a 245TB model, Huawei introduced the OceanDisk LC560, while Sandisk unveiled a 256TB SSD using its new UltraQLC flash memory.
SK Hynix presents the PS1101
Other storage manufacturers, including Solidigm, Samsung and Micron, are expected to introduce 245TB models in 2026, while Samsung is also preparing a 512TB PCIe Gen6 SSD for 2027.
SK Hynix has now joined the high-capacity SSD arena with the PS1101, a 245TB PCIe Gen5 enterprise drive that it unveiled at the Dell Technologies Forum in Seoul.
Like other high-capacity drives, it is designed for data centers that handle large AI workloads rather than desktops.
The PS1101 uses QLC NAND and PCIe Gen5 interface to deliver high data transfer speeds while reducing power consumption and space requirements.
The drive is built in the E3.L format and was modestly called “best in the world” in the company’s showcase.
It will target large-scale AI servers and cloud environments where capacity per rack and thermal efficiency are essential.
The drive was showcased alongside other Gen5 SSDs, including the PS1010, PS1012, and PEB110.
The 61TB PS1012 offers twice the bandwidth of comparable Gen4 SSDs, while the PEB110 E1.S model supports capacities from 2TB to 8TB using TLC NAND.
SK Hynix also introduced its PCB01 client SSD, capable of achieving sequential read speeds of 14 GB/s and write speeds of 12 GB/s, for on-device AI and high-performance computing.
A compact PVC10 M.2 2230 model, designed for low-power systems, was also on display, as were SK Hynix’s next-generation DRAM and HBM products, including HBM4 memory operating at 2 TB per second.
With the PS1101, SK Hynix joins a growing group of storage manufacturers offering ultra-dense enterprise SSDs. The Korean memory giant has not announced a production schedule, but it is expected to be in early 2026.
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