3 3TB Wd Red hard drive Model: WD30EFRX verified_user Certified 3-Pass Sanitization & 55+ Hour Burn-In Tested: Every single drive in this batch has undergone comprehensive data sanitization to HMG Infosec Standard 5 Enhanced specifications using ShredOS/nwipe Full 3-Pass Overwrite: Completed 3 full passes (Zeros, Inverted/Ones, and Cryptographic PRNG stream) across all 5,860,533,168 sectors (~9TB of written data per drive) 100% Read Verification: Every sector was completely read back and mathematically verified Zero I/O Errors: Flawless result with 0 Pass Errors, 0 Verification Errors, and 0 Fdatasync I/O Errors across a continuous 55 to 61-hour stress test[cite: 9]. Clean Sector Geometry: Host Protected Area (HPA) and DCO confirmed clear with zero hidden sectors