Bitmain T21 miner options - up to 9.1 EH/s in H2 2024
Company: IREN
What the later record shows
Partly delivered · new target March 31, 2025
The T21 options were amended to allow S21 Pro miners. Some were exercised: 17,950 S21 Pro miners shipped in August 2024. The remaining option period was extended to March 2025.
“As of June 30, 2024, we had paid $79.4 million to exercise options for 17,950 S21 Pro miners, which were shipped in August 2024.”
2024-08-27 · IREN 20-F filed 2024-08-28 View cached copy (2026-08-31)Live source ↗
“The amended options can be exercised incrementally over the option period until March 2025.”
2024-08-27 · IREN 20-F filed 2024-08-28 View cached copy (2026-08-31)Live source ↗
Checked October 9, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
The company has options to purchase up to an additional 9.1 EH/s of Bitmain T21 miners in H2 2024.
Source (primary)
IREN 6-K filed 2024-01-16 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “options to purchase up to an additional 9.1 EH/s in H2 2024”
How we checked this
Checked on October 10, 2026. The cited source supports every part of this claim.
The filing says the company secured 10 EH/s of new Bitmain T21 miners through a 1 EH/s purchase and 'options to purchase up to an additional 9.1 EH/s in H2 2024,' which matches the claim.
Confirmed in the source:
- Iris Energy holds options to purchase up to an additional 9.1 EH/s of miners
- The optioned miners are Bitmain T21 miners, part of 10 EH/s secured at a fixed price of $14/TH
- The options relate to H2 2024
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1878848/000114036124002189/ef20018887_6k.htm) in full (12,791 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms IREN 6-K filed 2024-01-16
Quote: “options to purchase up to an additional 9.1 EH/s in H2 2024”