I'd highly recommend the Samsung 990 Pro PCIe 4.0 NVMe SSD. It's blazing fast with read speeds up to 7,450 MB/s and write speeds up to 6,900 MB/s. It's also compatible with PCIe 4.0, which your laptop supports. The 1TB or 2TB option should give you plenty of space for games and files.

WD Black SN850X is a very stable SSD.

Building on the earlier suggestion about how cramped it is inside the G16, I really think you should be careful with what you pick. Everyone is talking up the 990 Pro and SN850X, which are definitely fast, but I've seen some weird thermal throttling in these laptops when you push them hard. I actually had a nightmare once where I bought a drive with a built-in heatsink that was way too thick. Ended up having to return it after realizing I was gonna snap the case if I forced it. Tbh the G16 is picky about space and heat. If you want some solid alternatives that I've seen work well:

• Try the SK Hynix Platinum P41 2TB NVMe. It runs super efficient and is single-sided so it fits like a glove.
• The Crucial P5 Plus 2TB PCIe Gen4 is another solid bet if you want to save a few bucks without losing much real-world speed. Quick tips for the upgrade:
• Check if the drive is single-sided so you dont stress the motherboard.
• Skip the beefy heatsink models because they wont clear the bottom panel anyway.

I use the Samsung 990 EVO SSD, no issues and very fast, https://www.amazon.com/Samsung-Internal-Computer-MZ-V9E2T0B-AM/dp/B0CRC7H66Z?------123456890?7649-20

Yo! Caught this thread and had to jump in because I actually have the G16 too and let me tell you, I love it! But hold up, are you planning on getting a 4TB drive or sticking to something smaller? I'm asking because space inside these thin laptops is super tight. I had a total nightmare trying to force a double-sided drive into my last rig and I literally almost snapped the board... it was so scary! Honestly, just go with Crucial NVMe SSD or maybe some Kingston NVMe SSD stuff. You basically cant go wrong with them!

• They run super cool which is amazing for those long gaming sessions.
• The compatibility is always top-tier.
• Usually way thinner so you wont have fitment issues. I have used them in like five different builds now and they just work every single time. Its honestly such a relief not worrying about if the bottom panel will actually close properly!

If you're looking for top-tier performance, the Sabrent Rocket 4 Plus is an excellent choice for the ROG Strix G16. It's a PCIe 4.0 NVMe SSD with incredible speeds - up to 7,000 MB/s read and 5,300 MB/s write. It might be overkill for some users, but if you want the best of the best, this is a strong contender.

Samsung 990 EVO.

990 Pro from Samsung.