Dynamic Cache WD's dynamic caching algorithm improves performance in real time by optimizing cache allocation between reads & writes. For example if there's an overwhelming percentage of read traffic as opposed to write traffic the drive automatically allocates more cache for read data which reduces congestion & improves overall drive performance. No Touch Ramp Load technology The recording head never touches the disk media ensuring significantly less wear to the recording head & media as well as better drive protection in transit. The WD advantage WD puts our products through extensive Functional Integrity Testing (F.I.T) prior to any product launch. This testing ensures our products consistently meet the highest quality & reliability standards of the WD br&. WD also has a detailed Knowledge Base with more than 1000 helpful articles as well as helpful software & utilities. Our customer support lines have longer operational hours to ensure you get the help you need when you need it. Our toll-free customer support lines are here to help or you can access our WD Support site for additional details. Efficient dual processing When it comes to processing power more is always better. WD Black features a dual core processor that offers twice the processing power to maximize drive performance. Adding additional value WD's Dynamic Cache technology increases performance by improving caching algorithms in real time & optimizing the cache allocation between reads & writes. This results in the drive automatically allocating more cache for read data which reduces data congestion & increases overall performance..