Nearline storage: density and supplier discipline
Nearline storage: density and supplier discipline
Growth in cloud storage and higher disk density will support HDD supplier margins if unit supply remains disciplined and customers absorb new capacity.
Watch for: Seagate + WDC Q4 FY26 earnings (~late July / Aug 2026) — nearline pricing trajectory, lead-time direction, and whether EITHER maker signals any unit/greenfield capacity addition (a discipline break = thesis invalidation, would make it behave like memory); Toshiba capacity signal specifically (the inferred-discipline soft spot); HAMR/Mozaic + ePMR areal-density milestones (the margin-expansion engine — a yield stumble compresses the density-led-margin story); the CY2027 allocation cliff re-pricing as the build-to-order book rolls past 2027; nearline contract pricing rollover or sharp lead-time compression (demand-side cooling); a credible new entrant incl. Chinese (currently judged not near-t...
The thesis basket — the 2 tickers this perspective actually tracks. Everything else it has touched is folded below.
Seen alongside in scans (15) — symbols that appear with this perspective, not the thesis basket
The Thread
The thesis as it unfolds — by source type (the symbol grid above is the current state).
Recent Shifts
5Research
2Captures
2Calendar & Lifecycle
18SemiAnalysis — ruthenium, a hard-drive input, went from about $560 an ounce in early 2025 to near $1,950 in September
SemiAnalysis — ruthenium, a hard-drive input, went from about $560 an ounce in early 2025 to near $1,950 in September
Terry — Citi Global TMT readout: NAND TAM $50B to $500B by 2027, AMD CPU TAM $60B to $220B, optical testing capacity about 100x short
Terry — Citi Global TMT readout: NAND TAM $50B to $500B by 2027, AMD CPU TAM $60B to $220B, optical testing capacity about 100x short
SemiAnalysis — 3D NAND is switching word lines from tungsten to molybdenum above ~300 layers
SemiAnalysis — 3D NAND is switching word lines from tungsten to molybdenum above ~300 layers