NVMe SSD 50% slower on socket 1

Motherboard price in Bangladesh 2024 2 nvme slot motherboard GIGABYTE B460M D3H DDR4 Micro ATX Motherboard with Dual Nvme Pcie Gen3 X4 Slots, Alc1200 Audio Design, 4 Display Interfaces Support,Dual Bios 2 slot toasters 2 SSDs fit onto your motherboard View all SSDs SATA SSD vs NVMe SSD slot, and the same hols for an M key and M slot A B+M

2023 phone with sd card slot 2 slot supports 4X 1 x R7HGK - Thermal pad 1 x YYJF8