Hi Mauricio, You got it correct, M.2 is typically designed for consumer(laptop), desktop, I have seen M.2 in the back of the server for dual boot drives too. U.2 brings more surface area to the equation, so a beefier (hotter) controller could push more NAND. Better management, so you can do warm safe removal. U.2 could be added to a card so you could use a PCIe slot with it. Or you could leverage something like this... https://www.liqid.com/products/composable-storage/element-lqd3000-aic-pcie-ssd Which leverages M.2 to build a really fast PCIe Card... Frank -----Original Message----- From: fio-owner@xxxxxxxxxxxxxxx <fio-owner@xxxxxxxxxxxxxxx> On Behalf Of Mauricio Tavares Sent: Tuesday, March 10, 2020 11:02 AM To: fio <fio@xxxxxxxxxxxxxxx> Subject: U.2 vs M.2 This might be a bit off-topic, but what is the difference performance between those two as far as the nvme drives are concerned? All I know is I see M.2 being used for customer/prosumer-level stuff while the U.2 in enterprisy drives (ok boot disks in the servers might be M.2 but you get my drift).
