Boot, Launch, Create, & Save Faster With its simultaneous internal & external storage performance, the Mercury Accelsior_E2 offers the the best combination of speed, capacity, & connectivity available today. Stop waiting for I/O-intensive apps like Photoshop, Final Cut Pro, or Avid Pro Tools to render, capture or process. Start working faster with near instantaneous boots & app launches. & save your work faster than ever before. The Accelsior_E2 utilizes the PCIe slot in Mac Pros & PC towers, the fastest data interface available, to deliver up to 820MB/s of blistering perfomance. That's nearly 3x faster than an SSD equipped Mac Pro 3 Gb/s drive bay, & well beyond 6 Gb/s drive speeds. When your work is completed, transfer it for backup or archival purposes at speeds up to 600MB/s via the two e SATA expansion ports to any external storage device with an e SATA port.