The specs for the 5050 list the M.2 as a class 40 NVMe/PCIe M.2 SSD and the chart here shows the Dell specs for the various classes of SSD, If you go by the Dell chart that actually is better than the Dell ratings. 
Hi guys, I've just stuck a brand new P2, advertised reads up to 2400MB, into my 5050 - does this look about right? [IMAGE] Thanks!
Crucial P2 NVMe speeds on a 5050