When asked about power cycling, I selected " N" 3x in a row and it kept asking so I finally selected " Y" and then it said update failed and went to a blank cursor. The pro variants come in 128/ 256/ 512, the regular 840 is 120/ 250/ 500. Guide how to update the Firmware of Samsung SSDs, which are running as members of a RAID array This is how I managed to get the Firmware of my RAIDed Samsung 840 PRO SSDs successfully updated: burnt the ISO file as bootable image onto a CD; saved my most important files ( just as a precaution action). Samsung’ s 840 Evo repair tool available to download, but be careful of the caveats when you update. Turns out that ' soon' was actually this.
For those not aware, there was a performance bug that samsung just fixed. The Magician SSD management utility is designed to work with all Samsung SSD products including 470 Series, 750 Series, 830 Series, 840 Series, 850 Series, 860 Series, 950 Series, 960 Series and 970 Series. Samsung just released a new firmware for this model. I' ll let the screenshots tell the stor.