used PSU confusion

in PC Builds
which one of these should i get
i guessed this is the best forum for discussing used parts (newbie)
https://www.olx.in/item/thermaltake-600w-power-supply-in-best-condition-urgent-sale-ID1fyA3l.html
https://www.olx.in/item/cooler-master-thunder-450watt-smps-psu-ID1eNMff.html
https://www.olx.in/item/corsair-gs700700watt80-plus-bronze-certified-power-supplysmpspsu-ID1fHdmZ.html
https://www.olx.in/item/cooler-master-computer-cabinate-with-corsair-power-supply-ID1ezkal.html
https://www.olx.in/item/fsp-group-epsilon-85-plus-1010watt-gaming-power-suply-smpspsu-ID1fBH8N.html#5d75cd3fa0
https://www.olx.in/item/fsp-group-850w-smps-power-supplypsu-ID1fnINr.html
https://www.olx.in/item/corsair-gs700700watt80-plus-bronze-certified-power-supplysmpspsu-ID1fHdmZ.html#5d75cd3fa0
PS: the seller say all of these work
i guessed this is the best forum for discussing used parts (newbie)
https://www.olx.in/item/thermaltake-600w-power-supply-in-best-condition-urgent-sale-ID1fyA3l.html
https://www.olx.in/item/cooler-master-thunder-450watt-smps-psu-ID1eNMff.html
https://www.olx.in/item/corsair-gs700700watt80-plus-bronze-certified-power-supplysmpspsu-ID1fHdmZ.html
https://www.olx.in/item/cooler-master-computer-cabinate-with-corsair-power-supply-ID1ezkal.html
https://www.olx.in/item/fsp-group-epsilon-85-plus-1010watt-gaming-power-suply-smpspsu-ID1fBH8N.html#5d75cd3fa0
https://www.olx.in/item/fsp-group-850w-smps-power-supplypsu-ID1fnINr.html
https://www.olx.in/item/corsair-gs700700watt80-plus-bronze-certified-power-supplysmpspsu-ID1fHdmZ.html#5d75cd3fa0
PS: the seller say all of these work
Comments
i7-4770
MSI Z97s Krait
Deepcool Captain 120 White AIO
16gb RAM
Asus Strix Gtx 1080
i7-4770
MSI Z97s Krait
Deepcool Captain 120 White AIO
16gb RAM
Asus Strix Gtx 1080
But the best here that's still in stock as of now is the second FSP.
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