SHA-256 ASIC. The 151–200 TH/s variants are listed separately; wall power is specified at 25°C in the BITMAIN guide. VECTOR firmware compatibility is not confirmed.
BITMAIN: https://file12.bitmain.com/shop-product-s3/firmware/c17a60d7-51c8-41a3-8365-b7e5d1506caa/2025/04/10/14/S21%20User%20Guide-V1.2.5.pdf