one question regarding pcle usb riser.

Sorry for dumb question, but i see so many different information. few days ago i saw, that becouse of the riser, which got burnet out, a few GPU get also burnt out.

so, i will like if you can suggest me, which riser to take? what is the normal price for them? i will mine zcash on 1070. i see so much different prices, for on the first look the same riser. Please share with me, what is good, that i will not get any problems with so fire.

few examples:

https://www.aliexpress.com/item/NI5L-PCIe-PCI-E-PCI-Express-Riser-Card-1x-to-16x-USB-3-0-Data-Cable/32752623017.html?spm=2114.01010208.3.17.SsVOdD&ws_ab_test=searchweb0_0,searchweb201602_5_10152_10065_10151_10068_436_10136_10137_10157_10060_10138_10155_10062_10156_10154_10056_10055_10054_10059_10099_5150019_10103_10102_10096_10147_10052_10053_10107_10050_10142_10051_10084_10083_10080_10082_10081_10177_10110_10111_10112_10113_10114_10181_10183_10182_10185_10078_10079_10073_5160018_10070_10123,searchweb201603_16,ppcSwitch_5&btsid=3f3d313c-5abc-4378-a16c-e9e91232afcd&algo_expid=89aa481f-fb5c-4cdd-affe-a57bab72406a-5&algo_pvid=89aa481f-fb5c-4cdd-affe-a57bab72406a


https://www.aliexpress.com/item/10pcs-TISHRIC-VER006-60cm-PCI-E-extender-PCI-Express-Riser-Card-1x-to-16x-USB-3/32800930620.html?spm=2114.01010208.3.15.SsVOdD&ws_ab_test=searchweb0_0,searchweb201602_5_10152_10065_10151_10068_436_10136_10137_10157_10060_10138_10155_10062_10156_10154_10056_10055_10054_10059_10099_5150019_10103_10102_10096_10147_10052_10053_10107_10050_10142_10051_10084_10083_10080_10082_10081_10177_10110_10111_10112_10113_10114_10181_10183_10182_10185_10078_10079_10073_5160018_10070_10123,searchweb201603_16,ppcSwitch_5&btsid=3f3d313c-5abc-4378-a16c-e9e91232afcd&algo_expid=89aa481f-fb5c-4cdd-affe-a57bab72406a-4&algo_pvid=89aa481f-fb5c-4cdd-affe-a57bab72406a

http://www.ebay.de/itm/1x-bis-16x-Extender-Riser-USB-3-0-PCI-Express-Kartenadapter-SATA-6Pin-Netzkabel-/172659363092?hash=item28334ccd14:g:JIwAAOSw42JZCqOl

http://www.ebay.de/itm/USB-3-0-PCI-E-Express-1X-auf-16X-Extender-Riser-Card-Adapter-SATA-Power-Cable-/382068526606?hash=item58f50f0e0e:g:yUUAAOSwtGlZAvZv


thank you for  help.