Multiple Physical Drives in PC

I have a Windows 8.1 PC that I have used with 3 physical drives installed (80GB for OS, 1TB for storage, 40GB for other stuff). They are all SATA drives. My MOBO supports 6 SATA connections. I tried to add two more SATA drives to the PC (250GB and 500GB),
but Windows would only recognize 4 at a time in explorer and comp management.
Is this a limitation of Windows 8.1? Or am I looking in the wrong place for the problem? (MOBO BIOS)
I've searched Bing several times with different queries looking for this answer, but I never found it. Sorry if this is a repeated question.

Jasotastic1,
If you have 6 SATA connections then as long as you have room in your computer's case and a power supply sufficient to power each device, then 6 SATA devices should be no problem. 
Most of the time, your BIOS will detect any new drives
that you install but sometimes you'll need to manually go into the BIOS to make sure everything is showing up properly.  If the BIOS shows that each drive is available but you still cannot see them in Windows, check Disk Management and make sure that
they are formatted properly as well as assigned a drive letter.
Hope this helps!
Mike
Windows Outreach Team – IT Pro

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