Dell has the WD SSDs for sale
M.2 $29.99
WD Blue PC SSD WDS250G1B0B - Solid state drive - 250 GB - internal - M.2 2280 - SATA 6Gb/s - UL, TUV, BSMI, FCC, KC | Dell
SATA $19.99
WD Blue PC SSD WDS250G1B0A - Solid state drive - 250 GB - internal - 2.5-inch - SATA 6Gb/s | Dell
Looks like the...