Hard Drive - 3,5", SATA III, 64MB cache, 7200RPM, For computers, Data storage and Internal WD Red hard drive is the world's first model, which was developed exclusively for NAS systems. The unit is tested to be useable in continuous operation (24 × 7) in the home or small business NAS with one to five positions (for larger systems NAS is better to use enterprise drives - enterprise). The basis of everything is up to 35% increase in the statistical indicators MTBF (mean time between failures) that indicates the median time in hours, after which it is expected that the equipment will work flawlessly.This photo is from ColorBox off and does not therefore appear in it.The WD Red hard drive is the world's first model to be developed exclusively for NAS systems. The unit is tested for 24/7 operation at home or for small NAS businesses with one to five positions (for larger NAS systems it is better to use enterprise drives)....