ROI ASIC / Knowledge base / Antminer S21 Pro with VNISH: efficiency and overclock
Antminer S21 Pro with VNISH: efficiency and overclock
What the S21 Pro does on stock vs VNISH efficiency and maximum presets.
Stock S21 Pro: 234 TH at 3510 W (15.0 J/TH).
VNISH efficiency: about 224 TH at 2934 W (13.1 J/TH) - roughly +14% daily margin at $0.08/kWh.
VNISH maximum: about +15% hashrate over stock for peak-price hours. Install is a 15-minute remote NAND flash; the exact file and SHA-256 are on the S21 Pro firmware page.