Some ppl started a war against DRAM-less SSDs, these ppl are active in many fora, and write it so often that many ppl believe it.
I had a discussion with one of them because I said “Yes, I prefer a DRAM-less Adata SU650 for my usecase because it´s much faster (about 3x at copying some hundred GB) than a Samsung 860 QVO”. He stopped wrote again to me after this.
I have over 50 SSDs, many generations, more brands, MLC, TLC, QLC, DRAM and DRAM-less, I´m not a beginner at this . With controllers from Sandforce, Phison, SMI, Marvell, Samsung, JMB, even some exotic like LAMD and Alcor.
From Adata I have only 3 SSDs, all SATA. But I think the product name should change if essential components are changed.