I Saw here posts regarding Seagate and WDD HDD's
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Your hard disk life depends upon how you handles it..
Even An Electric Shock can cause damage to it. Some PSU's and UPS's are generating unnecessary electric shocks.
If you want to use it for a while go for Branded PSU's like Corsair, Cooler Master etc, don't go for FrontTech, Zebronics, SuperComp etc from my personal Experience, these brands are the worse killers of your computer hardwares..
It's cheap for 500/- bucks you will get a PSU, but you should know whether it can handle your requirement..
UPS:: FrontTech, Zebronics, SuperComp, Merchury Worst things.. Cheap.. But useless...
APC or WIPRO with software shutdown will do the best....
HDD's among Seagate and WDD, very rare cases of damages(manufacturing defects) are coming up, all others defects are coming up because of our carelessness..
We are going after Cheap things to save money.. Believe me i spend around lot of buck on these and fedup and Now i'm going only for branded ones, afterviewing the Reviews..