Ok, so I bought a new AMD PC for about 500 Euros a couple of months back and it's been driving me crazy ever since. The problem is with the system drive. I currently use Windows 8.1, but the same thing happens on Windows 7. Any file transfer to or within the system drive locks up the system for some time, disk usage shows 100% and transfer speed drops from 170MBps to 1-2MBps in a few seconds when, for example, copying a large file from D to C. Any kind of installation with multiple files becomes a torture, let alone starting two or more processes on drive C:
I tried all the likely solutions I could find:
- Tried different versions of Windows - as I said - Updated BIOS and to latest version - didn't help - Cleared CMOS and updated all relevant drivers - of course not - Disabled supefetch, idexing, BITS and caching on drive C - useless - Expanded virtual memory - NO - Checked for errors and bad sectors with various software, fragmentation at 0% - everything fine with all drives - Tried different sata III ports and cables - same thing - IDE and AHCI modes with clean Windows installation - no luck - Used HDD with two partitions (C and D) as well as seperate drives for partitions with SSD being the boot drive - same thing, only when first I split the HDD, I coudn't even start heavy software like Maya. - I even tried enabling high performance mode in power settings (on a desktop PC) - guess how that went
So as you see this applies to writing to the boot drive. SATA ports are probably fine, as I get normal transfer speeds on drive D, and copying files to it from system drive is fast too.
Here are SMART reports for both drives as well as how the problem looks like. Fast stable speed in the beginning that drops drastically to non-existance in a few seconds.
So I didn't get any help here, but managed to solve the problem myself. Turned out it was the bad SSD. Once again I split the 1TB Toshiba HDD in two partitions and installed Windows 8.1 under ACHI mode on it. Now the PC works as it should.
Sorry I didnt get back here sooner. Good find!
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Hard DrivesStorageFile TransferSATAWindows 8SSDSpeed