PCIe NVMe SSD on PCIe slot-Worth it?

12th-generation Alder Lake processors offer greatly enhanced support of PCIe lanes Although the CPU only manages 4 PCIe Gen4 lanes, which is only enough for

You're referring to NVME based M2 SSDs, correct? But yes if the SSD is PCIE spec then of course the speed will be less when used on PCIE

m2 pcie 40 in 30 slot ADT-Link PCIe x4x4x4x4 to Expansion Card 4 Slot M 19 13 US $ Price shown before tax Delivery guarantee ADT-Link PCIe x4x4x4x4 to M

m2 vs nvme slot PCIe x16, 1 PCIe x16, 1 PCIe x1, 1 Key E for WiFi; Graphics Output Options: HDMI, DisplayPort, D-Sub; AMD CrossFireX™; CH HD Audio