NVME M2 drives: which slot to use?

2 Slot on Motherboard; Two types of SSD ; What are the 2 NVMe options for configuration for a Precision 5510: NVMe (M

ZEBRONICS H61-NVMe Micro-ATX Motherboard for LGA 1155 Socket, Supports Intel 2nd & 3rd Generation Processors, Slot, Audio, DDR3 1600 MHz, Ports (RJ45

2022 slot 2 varc Rs 200 Off on a minimum purchase of Rs 2000 on Daraz App! >> Buy ESONIC H61 Motherboard with NVMe SSD Slot, Supports 2nd & 3rd Gen Processor at lowest

2017 slot 1 varc 2 NVMe SSD to fulfill the need of performance Hyper socket that supports PCIe Gen4 x4 while socket is capable of running PCIe Gen3 x2 and SATA3 mode