these drives are called: “U.2 PCIe NVMe” no kidding, search for em on ebay.

“Micron has been developing some of the world’s most advanced memory technologies for more than 40 years, including DRAM (Dynamic Random Access Memory) and NAND flash memory chips, which are used in a wide range of products, including computers, servers, mobile devices, solid-state drives (SSDs), memory cards, USB drives and many other electronic devices.

With multiple U.3, M.2 and E1.S form factors, capacities up to 16TB and multiple security options, the Micron® 7450 SSD enables mature storage solutions. The Micron 7450 is perfect for software-defined storage, database, and virtualization solutions thanks to its PCIe® Gen4 throughput, low latency, and excellent quality of service.” (translated)

problem: confusing amount of connection standards, SATA, SAS now SFF-8639 so far only in servers

it seems SFF-8639 aims at replacing SATA and SAS in the long run.

U.2 (pronounced ‘u-dot-2’[1]), formerly known as SFF-8639 (wiki)

Kingston is price wise ahead

usually Kingston does high quality products, but did not test extensively their server flash harddisks.

1920G of server grade flash storage has cost 472 Bucks in 2022 now (2023-08) it is down to 160 Bucks! (less than halfed!)

Kingston’s datacenter capable (24-7) NVMe SSDs (DC 1500m) only work with mainboard that have U.2 interface – U.2 on Desktop is called mini-SAS or SFF-8643 on Servers


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