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iStorage is the trusted global leader of award-winning, PIN authenticated, hardware encrypted portable data storage, and cloud encryption devices. One of their highly reliable storage solutions is diskAshur2® HDD. It's a 256-bit hard disk drive with 4TB capacity for expanding your device's storage or storing all your essential files. It has superfast USB 3.1 data transfer speeds too. With real-time military-grade encryption, diskAshur2 guarantees superior security for all your data. You can even set a unique 7 to 15 digit PIN to clear your mind of worries. No software required. Works on any device with a USB port!

  • 4TB Capacity: Expand your phone or computer's storage or store your confidential files
  • Superspeed. Up to 160 MB/s read speed & up to 143 MB/s write speed
  • AES-XTS 256-bit encryption: Secure your data via built-in full disk hardware encryption
  • PIN Authentication: Set a unique 7 to 15 digit PIN for upgraded security
  • OS/Platform Independent: Use it on Windows, Mac, Linux, Chrome, & any other device w/ USB port


  • 4.5/5 stars of Amazon: ★ ★ ★ ★
  • TechRadar: "iStorage has made another great external hard drive that offers unrivaled hardware-based security."


  • Model: diskAshur2® HDD
  • Color: black
  • Materials: rubber coated plastic enclosure with epoxy-coated wear-resistant keypad
  • Product dimensions: 4.9"H x 3.3"L x 1.1"W
  • Weight: approx 11.46oz
  • Capacity: 4TB
  • Hardware: USB 3.1 superspeed - backward compatible with USB 1/2/3
  • Speed: 160MB/s (read); 143MB/s (write)
  • Data encryption: AES-XTS 256-bit full disk hardware encryption
  • Approvals: FIPS PUB 197 Validated, CE, RoHS, WEEE, TAA compliant
  • Power supply: Bus Powered
  • Tamper-proof
  • Wear-resistant
  • Manufacturer's 3-year warranty


MS Windows, macOS, Linux, Chrome, Android, Thin Clients, Zero Clients, Embedded Systems, Citrix and VMware


  • diskAshur2® 256-bit Encrypted Hard Disk Drive (Black/4TB)
  • Protective Carry Case
  • Quick Start Guide


  • Ships to Contiguous US
  • Expected Delivery: Jun 25 - Jul 1


  • 30-day return policy