I've upgraded this model to an i9-9900K intel CPU + 64GB of RAM + NVMe SSD of 1TB + 1TB of storage SSD.
CPU:
https://www.amazon.ca/gp/product/B089J731BX/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1
SSD proprietary connector cable:
https://www.amazon.ca/gp/product/B08YF1JRT1/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1
RAM:
https://www.amazon.ca/gp/product/B07PTRZSHB/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1
SSD for operating system:
https://www.amazon.ca/gp/product/B07QDPD1XY/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1
SSD for storage:
https://www.amazon.ca/gp/product/B079XC5PVV/ref=ox_sc_act_image_1?smid=A3DWYIK6Y9EEQB&psc=1
CPU:
https://www.amazon.ca/gp/product/B089J731BX/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1