Question SSD Trouble?

Oct 11, 2018
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I just recently bought a Samsung 860 EVO to have an extra SSD to add games to it that have long load times. Like anthem and such. Well, my BIOS nor Windows in disk management is showing my new SSD. I already have 1 SSD installed and also an HDD. Also, i have tested the cables I am using on the other drives and when plugged in with the cables they boot just fine. Could this be a bad drive?

SPECS:
CPU: Intel i5 4590
GPU: Radeon R9 390
PSU: EVGA 750w Bronze
MB: Asus Z-97 Pro Gamer
1st SSD: AData 126 GB Sata 3 (Where OS is installed)
1st HDD: Western Digital 1TB Sata 3

Thanks!