Newegg
256GB Silicon Power Ace A55 2.5" SATA III 3D NAND Internal Solid State Drive (SSD) SU256GBSS3A55S25NB $29.99
https://www.newegg.com/Product/Pr…gnorebbr=1
512GB Silicon Power Ace A55 2.5" SATA III 3D NAND Internal Solid State Drive (SSD) SU512GBSS3A55S25NE $49.99 OOS
https://www.newegg.com/Product/Pr…gnorebbr=1