The KingSpec M.2 NVMe drives use an SMI 2263XT controller with single-package Intel TLC NAND and operate DRAM-less using Host Memory Buffer (HMB). They deliver noticeably better performance than SATA boot drives but fall short of their rated sequential specs and run warm (peaking ~69°C); appropriate as a compact, cost-optimized boot or client SSD rather than a high-performance NVMe data drive.
Buyers needing a compact M.2 NVMe boot or client SSD for small laptops/embedded systems; avoid if you require sustained high NVMe throughput or low thermals.
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