Pros

  • Much faster write speed than normal USB 3.0 hard drives
  • Very good price per gigabyte compared to an external SSD

Cons

  • Requires AC power
  • More expensive than the typical USB 3.0 drive

At A Glance

If you're looking for a fast, capacious, not-too-expensive direct-attached backup drive, look no further: Buffalo's DriveStation DDR uses 1GB of DDR3 memory to dramatically enhance write performance.

Manufacturer’s Description

DriveStation DDR is a high performance external USB 3.0 hard drive with a large 1 GB cache for accelerated file transfer speeds. It utilizes 1 GB DDR3 RAM cache for significant performance enhancements to outperform standard USB 3.0 hard drives by up to 350 percent. It features attractive, high-gloss chassis that can be placed vertically or horizontally.

The Specs

Storage
Drives included 1.0
Raid type none
Ports and Connections
Available Interfaces USB 3.0

Performance

USB 3.0 Performance - PCWorld
Write 10GB Folder 140.8   MB per second
Read 10GB Folder 210.8   MB per second
Write 10GB File 201.8   MB per second
Read 10GB File 248.9   MB per second