Booting from drive located on a PCIe Adapter Card

Yes, the second slot is expected to run on two lanes as mentioned in the product specifications Storage Slot RTX 3060 model:

Booting from drive located on a PCIe Adapter Card Confused about , PCIe, SATA and NVMe SSDs? The experts at Crucial explain all you need to know about form factors, physical interfaces and more

Yes, the second slot is expected to run on two lanes as mentioned in the product specifications Storage Slot RTX 3060 model:

m24 slot Comments You've got x4 slots, the SSD you've mentioned will work in any of them That's great, was so worried I had to buy another pcle gen x 4 ssd

Typically, yes One thing to note though, for full speed from the NVME, you will need a card that uses a 4x slot They do make cards for 1x

m2 slot mainboard drives come in various different sizes The most common formats are 2242, 2260, and 2280 The first two numbers correspond to the width of the drive — as

SATA SSDs and SSDs that use two PCI Express lanes tend to use keys B and M to maximize compatibility, since both connectors can deliver both