HDD disappeared after installing ssd in m.2_3 slot - Troubleshooting ...
Welcome to 2020 – 3 NVMe M.2 slots are waiting for appropriate drives to be fitted inside of the laptops. Both notebooks have two RAM slots and you can upgrade the system memory with up to 32GB DDR4 3200MHz.
NVMe vs. M.2 Drives: Which SSD Is Right for You?
These PCIe expansion cards can feature 1-4 M.2 slots for NVMe SSDs. ... They give you one slot for M.2 NVMe slot and one M.2 slot for SATA M.2 SSDs.
GIGABYTE Z690 AERO G Review: Powerhouse For Creators - Tech4Gamers
The Gigabyte Z690 Aero G is a creator-focused motherboard packed with four PCIe 4.0 M.2 NVMe slots for speedy storage and PCIe 5.0 for GPU bandwidth.