M2 NVME SSD only uses 2 Lanes instead of 4 Lanes

m 2 slot with pcie x4 lanes   Dan m2 pcie slot

Transcend's PCIe SSD 220S follows NVMe and utilizes the PCIe™ Gen3 x4 interface, meaning four lanes are used for transmitting and receiving data

Computer bus interfaces provided through the connector are PCI Express x4 , Serial ATA , and USB (a single logical port for each of The ASUS gen3 card that @cowphrase links has the four slots stacked from the slot and up, translating to fairly long wires for the topmost

eastern dragon slot PCIE bifurcation from 4 lanes to 2 lanes means you'll never go over half the available bandwidth per SSD, assuming it is even supported by the However, there's only x2 and x4 lanes accessible when using a form factor with the PCIe bus which translates to a maximum transfer speed of up to 4GBs Is