Sandisk 4TB Extreme Portable 1050MB/s Read 1000MB/s Write External SSD

Tough Storage That’s Ready for Life

Western Digital has addressed a firmware issue in the manufacturing process and can confirm that the issue is not impacting the current shipping of SanDisk Extreme Portable SSD storage devices. Your life’s an adventure. The SanDisk Extreme Portable SSD fits your mobile lifestyle and accelerates every move. Tested and compatible with iPhone 15 Plus/Pro/Max so you can free up space on your smartphone.

Powerful yet Portable

Get fast NVMe™ solid state performance featuring 1050MB/s2 read and 1000MB/s2 write speeds in a portable, high-capacity drive that’s perfect for creating amazing content or capturing incredible footage.

Tested to Be Relentlessly Reliable

We devote hundreds of hours of rigorous testing to help make sure your drive is worthy of your best work — and so you know your precious files are in good hands.

Back Up and Live Fearlessly

Stay unfazed during power failures, virus attacks, and even natural disasters, because you have an extra copy of what matters most, stored on a drive designed for reliability.

Tough Enough to Take with You

Up to three-meter drop protection and IP65 water and dust resistance5 mean this durable drive can take a beating.

Travel Worry-Free

Get extra peace of mind with a 5-year limited warranty3 and a durable silicon shell that offers a premium feel and added protection to the drive’s exterior.

It Goes Where You Go

Use the handy carabiner loop to attach the drive to your belt loop or backpack for extra security when you’re out in the world.

Put a Lock on Your Files

Help keep private content private with the included password protection featuring 256‐bit AES hardware encryption.4

Professional-Grade Storage

From SanDisk, the brand professional photographers worldwide trust to handle their best shots and footage.

SanDisk Memory Zone App for Easy File Management

Available from the Google Play™ store, the SanDisk Memory Zone app lets you unlock, access and back up your phone’s files in one location. It can also automatically move files from your device to your SSD to free up space.