Hard Drive WD Purple Pro 12TB:The WD Purple Pro 12TB hard disk belongs among the high load internal HDDs for monitoring systems. 3.5 HDDs are designed chiefly for data centres and desktop PCs. One of the main parameters is obviously the rotational speed (RPM). The 7200 RPM RPM provides faster data transmission. The total capacity of the hard drive is 12000 GB. The storage has a 256 MB memory cache. You can link the Western Digital hard drive and the PC or other devices is facilitated through the SATA III interface. WD Purple Pro 12TB Hard Disk Key Features Read speed up to 245 MB/s and write speed up to 245 MB/s 256 MB memory cache Western Digital 3.5 format disk for standard bays Maximum power consumption 6,6 W Standard power consumption is 5,6 W, while in stand-by mode it makes 0.6 W It communicates with a PC or other devices using the SATA III interface HDDs dont have much resistance against physical shocks, but they are also more affordable than the newer SSDs Other Hard Drive Features Standard HDDs are notable for their construction. The enclosure conceals a mechanism that uses moving platters accompanied by hard disk heads that facilitate reading and writing of data. These moving parts are not particularly resistant against shock or impact, but at the same time you get a great combo of a low price and great storage capacity. The key criterion that determines the speed of a platter hard disk is the number of platter revolutions per minute, generally known as RPM. In case of the WD Purple Pro 12TB, we have 7200 RPM RPM. This is great news for people who demand more from their devices, such as graphic designers, gamers, video editors, and people who tend to use large amounts of data. System responsivity and stability is also affected the embedded buffer memory known as cache. The Western Digital HDD is equipped with a 256 MB cache that keeps the last written data for their speedy reading. Connecting the Western Digital Hard Drive If you want to mount the WD Purple Pro 12TB in your PC or other device, you need a 3.5 slot. All data transfer is done through the SATA III interface with a speed of 3 Gbit/s. The technology is one of the best HDD data transfer solutions available and delivers a speed of 600 MB/s.