Can I upgrade my ROG GL503-GE with NVMe SSD and SATA SSD?

[Adh1thya]

System: Asus ROG
Battery or AC:
Model: GL503-GE
Frequency of occurrence:
Reset OS:
Screenshot or video: https://www.youtube.com/watch?v=5vRcantLwgc
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Detailed description：Hello,
Can I upgrade my ROG GL503-GE laptop with both 1TB NVMe and 1TB SATA SSD?
What kind of interface should the NVMe SSD should have? Does it support 1TB WD Black NVMe SSD removing the pre-occupied 128GB NVMe Slot?
Can I also add 1TB WD Blue SATA 2.5" SSD removing the pre-occupied 1TB HDD Slot?

[Blake_ASUS]

Hello Adh1thya,
This model has
one 2.5 inch 7mm SATA3 hard disk port, and one M.2 2280 SATA/PCIe SSD port.
We have not test 2.5 inch SSD on this model nor the 1TB NVMe M.2 SSD.
The maximum capacity for the M.2 port we can guarantee is 256GB.
Thank you.