My Sata SSD getting extremely low read speed after not using it for 2 years

[lansing]

I have a WD Blue 3D NAND 500GB SSD sitting for 2 and a half year since I upgraded my computer. It was fine the last time I used it, but now when I'm trying to use it again it's getting extremely low read speed. I tested it with CrystalDiskMark, the write speed is 416 MB/s while and read speed is 49 MB/s. It took 12 minutes to boot up my old system. I have no idea what's going on, is my drive dead?

[SupaKomputa]

sanitize the drive and reformat.

[lansing]

40 minutes ago, SupaKomputa said:

sanitize the drive and reformat.

What do you mean by sanitize?

[SupaKomputa]

https://support.wdc.com/downloads.aspx?p=279

 

[lansing]

59 minutes ago, SupaKomputa said:

https://support.wdc.com/downloads.aspx?p=279

 

Thank you it works. Read speed jumps back to 435 MB/s now.