Flash/NAND is SanDisk's largest segment at ~$7.5B in FY2025 revenue, encompassing enterprise SSDs, client SSDs, and consumer flash products. Q2 FY26 revenue was $3.03B (+61% YoY) with non-GAAP gross margins of 51.1% -- peak-cycle margins driven by a NAND pricing supercycle. The Cloud segment within Flash grew 76% YoY to $440M in Q2 FY26, driven by AI server storage demand. BiCS8 technology (SanDisk's 8th-gen 3D NAND) is at 15% of bit production and scaling rapidly. The 256TB NVMe enterprise SSD is in qualification with two major hyperscalers, representing the next-generation AI storage product. The critical risk is NAND cyclicality: the 51% gross margin is a historical peak, and every prior NAND margin peak was followed by severe compression as Samsung and other manufacturers expanded capacity.
Q2 FY26 revenue was $3.03B (+61% YoY) with non-GAAP gross margins of 51.1%, EPS of $6.20 vs $3.62 consensus
Enterprise SSDs are the structural growth driver within Flash. Every AI GPU server requires massive flash storage for model weights, training data, and inference caching. SanDisk has a 256TB NVMe enterprise SSD in qualification with two major hyperscalers -- the highest-capacity drive in the market. Cloud segment revenue of $440M in Q2 FY26 grew 76% YoY, and Q4 FY25 saw 195% YoY growth. The AI-driven enterprise SSD demand is the portion of SNDK's business that investors can underwrite as structural rather than cyclical, though it currently represents only ~15% of total revenue. The key question is whether enterprise SSD can scale to 30-40% of revenue, providing a structural growth floor even as NAND pricing normalizes.
SanDisk has a 256TB NVMe enterprise SSD in qualification with two major hyperscalers, the highest-capacity drive available
BiCS8 is SanDisk's 8th-generation 3D NAND technology, currently at 15% of bit production and ramping to majority by the end of FY2026. BiCS8 brings improved density, lower cost per bit, and the UltraQLC cell technology that enables higher storage capacity per die. The 'Stargate' QLC product built on BiCS8 is specifically designed for AI workloads, offering optimized sequential read/write performance for training data ingestion. BiCS8's ramp is critical to SanDisk's cost competitiveness against Samsung and SK Hynix, who are on comparable technology generations. Cost reduction from BiCS8 will partially offset the expected NAND pricing normalization.
BiCS8 at 15% of bit production, scaling to majority by FY26 exit, with UltraQLC technology for higher density