The Mushkin Source 500GB SATA SSD Review
 

QLC SATA SSDs haven't quite hit the consumer market just yet, so the most affordable entry-level SSDs are still DRAMless designs with TLC NAND. The Mushkin Source is a current-generation example that provides only modest improvements over older DRAMless SSDs, but is adequate for most home systems.

https://www.anandtech.com/show/13421...ata-ssd-review