SN770 vs SN7100

Tech Reprise · October 3, 2025

Can anyone tell me the real difference between these two?

I have a SN770 which is pretty good and I was looking to get a second one for my laptop but I am seeing that it's discontinued after WD's merger with Sandisk and a newer SN7100 replaced it.

Reviews state that it's not that great but they can be biased sometimes.

Electronics Wizardy · October 3, 2025

the sn7100 is a replacement for the sn770 and a bit better across the board. I don't see a reason to get the sn770 unless is cheaper.

GuiltySpark_ · October 3, 2025

45 minutes ago, Tech Reprise said:

Can anyone tell me the real difference between these two?

https://www.techpowerup.com/ssd-specs/western-digital-black-sn770-1-tb.d648

https://www.techpowerup.com/ssd-specs/western-digital-sn7100-1-tb.d2257

What @Electronics Wizardysaid. They aren't competitors, one is simply the new version of the same product spot in SanDisk/WD's lineup. Updated NAND packages and "faster" on paper/benchmarks. Real world, of course, will be no different.