What are the specs on this drive
https://www.shi.ca/product/26057128/WD-Red-Plus-NAS-Hard-Drive-WD20EFRX
https://www.bhphotovideo.com/c/product/884037-REG/Western_Digital_wd20efrx_2_TB_WD_Red.html
The discontinued WD20EFRX (Woot! item) has been replaced in the Western Digital product line with the improved WD20EFPX which has an MSRP of $84.99.
At least it is CMR. Still really bad $/TB.