M 2 Slots. The slot on the left uses module key e and the one on the right uses module key b. Your motherboard might not have the appropriate m 2 slots for both types sata and nvme m 2 drives are often keyed slightly differently and even if it does you don t want to waste money on a pricier nvme drive if the motherboard you ve chosen can only access data using the sata protocol not every motherboard allows for pcie data transfers.
The m 2 interface uses either the legacy sata mode or the newer pci express modes. M 2 formerly known as the next generation form factor ngff is a specification for internally mounted computer expansion cards and associated connectors. The drive selects which one to use.
These ssds are generally faster but more expensive.
To begin with what is an m 2 slot. M 2 is a form factor for ssds solid state drives that s shaped like a stick of gum. M 2 replaces the msata standard which uses the pci express mini card physical card layout and connectors. The m 2 interface uses either the legacy sata mode or the newer pci express modes.
