Best Wireless Hard Drives. WD My Passport Wireless 1 TB.

The My Passport Wireless from Western Digital is a small, fast, and quiet portable hard drive that offers SD card connectivity in direct appeal to photographers and travelers. Taking the 1 or 2 TB version along on your next trip will allow you to back up or transfer files off of an SD card, as well as any wireless-compatible device that can access the My Cloud app. Setup can be a little tricky, with some firmware upgrades needed out of the box, but the unique functionality of the My Passport Wireless makes this easy to overlook.

WD My Passport Wireless 1 TB. Granted, the wireless transfer will not meet the performance needs of someone transferring RAW format images, it's great for vacation pictures from phones or digital cameras.

The My Passport Wireless also offers a convenient 6 hours of battery life when video streaming, or 20 hours on standby. Streaming is quick and fairly lag free, particularly when you use the drive in Home Network mode, adding it to your local wireless network instead of using its standalone WiFi.

This WD My Passport Wireless 1 TB can stream to up to eight devices at once, though you will likely only find yourself using 1-3 at a time. The My Cloud mobile app is fairly easy to work with, and natively supports video, pictures, and music file formats.

PDFs and word documents will have to be accessed through a different device-appropriate app, but this is standard for most wireless HDDs. The app goes through frequent updates, but this helps keep it working its best.