Review on WD Blue Desktop 1TB Hard Drive - 3.5 inch, 5400~7200RPM, SATA3 (6.0GB/s), 64MB 💾 Cache, Ideal for PC, Mac, CCTV, NAS, DVR, Raid and SATA Applications, 1 Year Warranty by Ninh Quang Truong ᠌

Maybe the presence of gray and yellow sectors is due to the capacity and imperfection of technologies, but from the new disk I expected at least that there were no yellow sectors at all, and there were few gray ones . Pros: Good performance write 179, read 100 Not heated - 38 on average Doesn't make noise Relatively cheap Cache 64 mb Warranty 2 years For 2 years of use, SMART is good Got cons: I checked vicroria with the help of already from the factory there are yellow sectors (access speed about 200ms) - very bad, a lot of gray sectors) access speed is about 20ms) -maximum udma5