retail: $42
$16
Walmart has the Hyundai Technology Sapphire 2.5" 120GB SATA III 3D TLC Internal Solid State Drive (C2S3T/120G) for $16 with in-store pickup or $6 shipping (free on $35+). Actually good reviews.
Other capacities on sale:
240GB (C2S3T/240G) for $25 with in-store pickup 480GB (C2S3T/480G) for $43 with free shipping
Other capacities on sale:
It's been 30 some years since they were in that.