KIOXIA Introduces BG8 Series SSDs for PC OEMs — Bringing PCIe 5.0 Speed to the Mainstream Market
Hardware / Data Storage | 4 min read
KIOXIA, a world leader in flash memory and solid-state drives, has announced the KIOXIA BG8 Series SSDs — the next evolution of its client SSD lineup designed for PC OEM customers. The BG8 Series marks a significant step for the mainstream PC market, delivering PCIe® 5.0 speed to everyday slim laptops, commercial and consumer notebooks, and desktop systems — a tier of performance that was previously reserved for premium and enterprise-grade storage. Currently sampling to select PC OEM customers, the BG8 Series is expected to appear in shipping PCs from the second quarter of 2026 onwards.
Next-Generation Performance — The Numbers That Matter
Built on KIOXIA's BiCS FLASH™ generation 8 TLC-based 3D flash memory — the company's latest 3D NAND technology incorporating its innovative CBA (CMOS directly Bonded to Array) architecture — the BG8 Series represents a significant leap in both performance and power efficiency compared to its predecessor. The headline figures tell the story clearly. Compared to the previous generation, the BG8 Series achieves:
- ► Up to 47% higher sequential read performance
- ► Up to 67% higher sequential write performance
- ► Up to 44% higher random read performance
- ► Up to 30% higher random write performance
In absolute terms, the BG8 Series delivers sequential read speeds of up to 10,300 MB/s and sequential write speeds of up to 10,000 MB/s, with random read and write performance reaching up to 1.4 million and 1.3 million IOPS respectively. These are figures that would have been firmly in enterprise territory just a generation ago, and they are now heading into mainstream consumer and commercial laptops — a democratisation of high-performance storage that has direct implications for how everyday users experience AI-powered applications, multitasking, and system responsiveness.
Design Flexibility Built for the Modern PC Form Factor
The BG8 Series is a DRAM-less design that leverages a mature Host Memory Buffer (HMB) feature to improve efficiency and help keep overall system costs in check — an important consideration for OEMs building competitively priced mainstream devices. It is available in multiple M.2 form factors — including 2230, 2242, and 2280 — making it compatible with the full range of modern PC designs, from compact handheld and ultra-thin laptops to standard notebooks and desktop systems. Capacities are offered up to 2TB, giving OEM partners broad flexibility across their product lineups.
"Bringing PCIe 5.0 to the mainstream client segment is a key step forward for the industry."
— Maulik Sompura, Director of Product Management, SSD Business Unit, KIOXIA America, Inc.
Why This Launch Matters — Storage in the Age of AI
The BG8 Series launch arrives against a backdrop of significant structural change in the NAND flash and SSD market. The global AI boom has driven intense demand for high-performance storage across data centres and AI infrastructure — creating supply pressures that have pushed up costs for consumer-facing products. The BG8 Series is KIOXIA's answer to that challenge in the mainstream PC segment: high-performance, PCIe 5.0-class storage built on next-generation BiCS FLASH technology, designed to give OEM partners a competitive, cost-efficient option as demand for AI-capable PCs continues to rise.
KIOXIA's broader portfolio strategy is also worth noting in context. The BG8 Series sits alongside the recently announced EG7 Series — which brings BiCS FLASH generation 8 QLC technology to a value-focused OEM offering — as well as the company's ongoing development of Super High IOPS SSDs that enable GPUs to directly access high-speed flash memory in AI systems. Together, they reflect a company moving aggressively across the storage spectrum, from everyday PC OEM products all the way to specialised AI infrastructure storage — with its BiCS FLASH™ 3D technology as the common thread running through all of it.
Key Takeaways
- • KIOXIA has announced the BG8 Series SSDs — a mainstream PC OEM product line delivering PCIe® 5.0 speed built on BiCS FLASH™ generation 8 TLC-based 3D flash memory with CBA architecture; sampling now to select OEM customers, with PC shipments expected from Q2 2026.
- • Performance gains vs. previous generation: +47% sequential read, +67% sequential write, +44% random read, +30% random write — with absolute speeds reaching up to 10,300 MB/s sequential read, 10,000 MB/s sequential write, and up to 1.4 million / 1.3 million IOPS random read/write.
- • DRAM-less design with Host Memory Buffer (HMB) support keeps system costs competitive; available in M.2 2230, 2242, and 2280 form factors and capacities up to 2TB — covering slim laptops, commercial and consumer notebooks, and desktops.
- • Strategic context: the BG8 launch sits alongside KIOXIA's EG7 Series (QLC-based, value-focused OEM) and its Super High IOPS SSD development (GPU-direct flash access for AI systems) — reflecting a full-spectrum storage portfolio strategy from mainstream PC to specialised AI infrastructure.
- • The broader significance: PCIe 5.0-class storage entering the mainstream PC market raises the baseline for everyday system performance — directly relevant as AI-powered PC workloads, local model inference, and on-device AI applications increasingly demand higher storage throughput from consumer and commercial hardware.