Hard Drive - 3,5", SATA III, 512MB cache, 7200RPM, Internal The WD Red Pro 18TB hard drive is one of the high load internal HDDs for NAS and ordinary data centres. 3.5" HDDs are designed mainly for desktop PCs and data centres. One of the key parameters is obviously the rotational speed. The 7200 RPM RPM ensures better system response across the board. The overall data capacity of the HDD is 18000 GB. The storage has a 512 MB memory cache. The data transfer between the Western Digital hard disk and other hardware is facilitated through the SATA III interface. WD Red Pro 18TB HDD Key Features Read speed up to 272 MB/s and write speed up to 272 MB/s 512 MB memory cache Western Digital 3.5" disk for ordinary drive bays Standard power consumption is 6,1 W, while in stand-by mode it makes 0.9 W You can connect it to a PC or other devices via the SATA III interface Although standard HDDs are a tad more fragile due to their mechanical parts, but they are also more...