Can I add NVME support to Dell 9020 SFF?

Hi,

I’m a newbie, and I’m trying setup my first Hackintosh machine(Dell 9020 SFF).

CPU: 4790
GPU: HD4600
MEMORY: 16G
Toshiba SSD: 512G

Now, I installed the SSD with a PCIe card adaptor, but I can’t boot from it(I have to install CLOVER to a SATA HDD). So can you help me create a MOD bios which support NVME?
BTW, I’d backup the system bios with Universal BIOS backup tools(from WIN-PE system), I tried to edit it with UEFITools, but the backup ROM looks like had been compressed.

LINK:
https://dl.dell.com/FOLDER05650607M/1/O9020A25.exe


Thanks