WD Purple 1TB Hard Drive for Surveillance - New and stored (purchased from Noon with return option) For sale: Western Digital Purple (WD Purple) hard drive with a capacity of 1 Terabyte. It is specifically designed and excellent for surveillance camera systems and DVRs, operating 24/7 with high efficiency. Completely new and stored: It was only unboxed to attempt installation in a receiver, but it was incompatible. It has been stored in its original condition without any use whatsoever. Stored for 3 years and unused, new. Box: Not available.