Kioxia’s new 5TB, 64 GB/s flash module puts NAND toward the memory bus for AI GPUs — HBF prototype adopts familiar SSD form factor

Kioxia has prototyped a 5 TB flash module that delivers 64 GB/s over PCIe 6.0, utilizing a daisy-chain controller design and PAM4 signaling to scale bandwidth efficiently. While latency still lags behind DRAM, the breakthrough positions NAND as near-memory storage for AI and data-intensive workloads.