The Toshiba Q300 SSD Review: Toshiba Becomes a Retail Brand Today we're looking at Toshiba's Q300 SSD. The Q300 is the entry-level model from the Toshiba's first line of SSDs sold directly to consumers and through retail outlets. Based on the same platform as their OCZ subsidiary's Trion 100, it competes in the crowded market for low-end drives using TLC NAND flash.