Questions about Acer Predator Orion 7000

If I have understood your question correctly: According to my research and the manufacturer's specifications, the motherboard has a total of 4 M.2 interfaces for SSDs. So you could have a very good expansion for the memory with a Samsung 990 SSD (available with different memory sizes): Samsung 990 Pro

A good pick would be an OLED monitor with high refresh rate. Since you favor either 34 or 39”, we can recommend the following model from LG that exists in both sizes: LG 34GS95QE-B (3440 x 1440 pixels, 34") LG UltraGear 39GS95QE-B (3440 x 1440 pixels, 39")

A 2TB PCIe SSD is suitable for expanding the SSD in the Acer Predator Orion 7000. This type of SSD is compatible with the system as it supports both PCIe and SATA SSDs. A PCIe SSD usually offers better performance and speed compared to SATA SSDs. Make sure that the SSD physically fits into the enclosure and has the necessary connectors.