Has my ssd dead?

[Zen3515]

I left my computer sleep for half hour, when I came back I wake It up but suddenly my computer froze(black screen with unmovable cursor). So I push restart button on the case. Now my M/B no longer detect my ssd only my hdd was detected.

I tried switch sata slot, sata cable, psu cable but It still didn't detect my ssd.
So I plug my ssd into another computer, still get same result(not detect).

Is my ssd actually dead? I bought it 3 months ago.
What is the cause of this failed?

My spec:
PSU: aerocool xpredator 750w 80plus gold
Motherboard: msi z-97 gaming 5
Cpu: i-5 4690
Ram: 16GB(4GBx4) g.skill trident x
GPU: 2-way SLI MSI GTX760
HDD(Storage): 2TB WD Green
SSD(OS): SanDisk ULTRA II 240GB

I have no idea why this is happen.
Also I got custom loop and 8xFan. In case of not enough power?

 

[Hellfire13]

"Also I got custom loop and 8xFan. In case of not enough power?"...other computer doesnt have enuf power too???
just 3mnths...rma the ssd asap...