I bought a brand new HDD(Seagate ST2000DMZ08, 2TB, 7200rpm) for my desktop PC running Windows 10, a month ago. When I installed it, I was getting about a 230mb/s read speed along with a 195mb/s write speed(tested with Crystaldisk mark). I have a not even 1 year old PC, with 1 SSD,and 2 HDD(one HDD that came already installed and one that I added 1 month ago).
Now I noticed since maybe a week or two that the speed of the second HDD(the one I installed a month ago brand new) is now horribly slow; but only mainly in write speed.
When testing, I get ok read speed(sometimes slower than expected though), but the write speed is just incredibly slow(about 1-3mb/s).
In the windows process explorer, under performance, it says that the average response time for that hard drive is 3000ms+, wich isnt normal..
I have no idea why it randomly started to be so slow. And its only that brand new drive that is so slow.And it was fine in the beginning when I installed it. I used a available SATA power cable that was already in the PC, and I bought a SATA DATA cable(brand new again) since there was no DATA cable provided in the PC.
Could the DATA cable suddenly turned defective? Or the hard drive be?