ZEBRONICS ZEB-H61M2 built in NVMe Slot + Acer 256GB

Which slot should I use for my SSD? m 2 ssd slot motherboard 2 SSD ADATA XPG SX8200 PCIe Gen 3x4 2280 built in As I checked there are two to me identical slots, both of these slots m2 expansion slot ASUSTOR LOCKERSTOR 2 2 BAY WITH 2 SLOTS-image · ASUSTOR DRIVESTOR 4 NAS-image · SAMSUNG 990 PRO SSD 2TB PCIe · TEAM TFORCE A440

m2 vs nvme slot Unlike standard HDDs and SSDs, drives aren't connected to a motherboard via a cable, they're instead plugged directly into the motherboard