Seagate Technology Holdings plc
Close on Nov 2, 2026Market cap $134.57BP/E 31.2Yield 0.50%
Seagate Technology Mass Capacity HDD Exabytes Shipped (EB by Quarter
Mass Capacity HDD Exabytes Shipped (EB — Legacy Classification through FY2025Q4)
Seagate Technology Mass Capacity HDD Exabytes Shipped (EB: 151 in Q4 FY25, up 45.2% from a year earlier. That is the highest of the 18 quarters on record here.
Where the Q4 FY25 figure comes from
“Capacity Shipped (EB) 114.2 137.5 150.8 143.6 162.5 13% 42% Mass Capacity 103.9 128.0 140.0 132.9 150.9 14% 45% Nearline1 90.1 114.4 125.8 119.7 136.6 14% 52% 10.3 9.6 10.8 10.7 11.5 7% 12% Legacy Average Capacity per Drive (TB) 9.3 10.6 11.6 12.6 13.0 3% 40% Mass Capacity 12.6 14.3 15.0 16.2 16.5 2% 31% Legacy 2.5 2.4 3.0 3.3 3.4 3% 37%”
Source: STX-FQ4-25-Supplemental.pdf ↗
Historical classification (nearline, video & image applications VIA, and enterprise NAS) prior to Seagate's Q1 FY2026 transition to Nearline vs. Non-Nearline reporting.
Quarterly history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Mass Capacity HDD Exabytes Shipped (EB — Legacy Classification through FY2025Q4) | Year on year | Source |
|---|---|---|---|---|
| Q4 FY25 | Jun 30, 2025 | 151 | +45.2% | STX-FQ4-25-Supplemental.pdf ↗ |
| Q3 FY25 | Mar 31, 2025 | 133 | +50.2% | STX-FQ4-25-Supplemental.pdf ↗ |
| Q2 FY25 | Dec 31, 2024 | 140 | +68.3% | STX-FQ4-25-Supplemental.pdf ↗ |
| Q1 FY25 | Sep 30, 2024 | 128 | +61.6% | STX-FQ4-25-Supplemental.pdf ↗ |
| Q4 FY24 | Jun 30, 2024 | 104 | +38.2% | STX-FQ4-25-Supplemental.pdf ↗ |
| Q3 FY24 | Mar 31, 2024 | 89 | -15.0% | STX-FQ3-25-Supplemental-vF.pdf ↗ |
| Q2 FY24 | Dec 31, 2023 | 83 | -14.0% | STX-FQ2-25-Supplemental.pdf ↗ |
| Q1 FY24 | Sep 30, 2023 | 79 | -23.8% | STX-FQ1-25-Supplemental.pdf ↗ |
| Q4 FY23 | Jun 30, 2023 | 75 | -45.9% | STX-FQ4-24-Supplemental.pdf ↗ |
| Q3 FY23 | Mar 31, 2023 | 104 | -21.7% | STX-FQ3-24-Supplemental.pdf ↗ |
| Q2 FY23 | Dec 31, 2022 | 97 | -29.4% | STX-FQ2-24-Supplemental.pdf ↗ |
| Q1 FY23 | Sep 30, 2022 | 104 | -21.2% | 10-Q FY2024Q1 ↗ |
| Q4 FY22 | Jun 30, 2022 | 139 | – | 10-Q FY2023Q1 ↗ |
| Q3 FY22 | Mar 31, 2022 | 133 | +19.8% | 10-Q FY2023Q3 ↗ |
| Q2 FY22 | Dec 31, 2021 | 137 | +41.2% | 10-Q FY2023Q2 ↗ |
| Q1 FY22 | Sep 30, 2021 | 132 | – | 10-Q FY2023Q1 ↗ |
| Q3 FY21 | Mar 31, 2021 | 111 | – | 10-Q FY2022Q3 ↗ |
| Q2 FY21 | Dec 31, 2020 | 97 | – | 10-Q FY2022Q2 ↗ |
Cite this data
StockData. (2026). Seagate Technology Mass Capacity HDD Exabytes Shipped (EB, quarterly Q2 FY21–Q4 FY25 [Data set]. Compiled from Seagate Technology SEC filings and investor materials. https://stockdatahq.com/stocks/stx/kpis/eb-mass-cap
See every metric in the Seagate Technology KPI table. Data updated Oct 29, 2026.