Because you desperately want to put XSX SSD on par with PS5 SSD. 6 or so is max. nothing more, nothing less. Cheers!
No, now you're just inventing things you wish I said. 6GB/s is the raw capabilities of the decompression hardware, not the Xbox SSD.
The maximum raw performance of the Series X SSD is 2.4GB/s. The guaranteed minimum raw speed at all times is 2GB/s when the OS or hardware may be doing some kind of maintenance across a 250ms window.
With compression the Series X SSD can achieve an effective 4.8GB/s. Not raw speed, just effective speed due to the benefits of texture compression. You toss in Sampler Feedback Streaming's 2.5x without compression and you're looking at an effective 5GB/s for Series X SSD, assuming the absolute minimum 2GB/s for the SSD. It would be 6GB/s effective with SFS at its rated max raw speed of 2.4GB/s.
Just like the theoretical high for the PS5 SSD with kraken decompression as stated by Cerny can reach as high as 22GB/s. That's effective speed thanks to compression, that isn't the SSD of the PS5 actually hitting 22GB for real, just as it also doesn't hit 8-9GB/s for real, but only after effective performance boosts through kraken decompression.
Here is a Microsoft graphics engineer who works on this stuff already stating Series X's ability to achieve performance equivalent to an "effective" 12GB/s
You're trying to spin like I'm saying the Series X SSD goes up to 6GB. I said no such thing and neither has Microsoft. Yes, they've stated their SSD can burst higher, but they've stated since the beginning they have only ever been comfortable telling people the expected real world figures rather than talking about a theoretical max figure. The reason for mentioning their decompression hardware's ability to deliver over 6GB/s is to highlight that in comparison to the notably slower SSD, you can be assured that decompression capability will never be a bottleneck in the Series X because it far outstrips the performance of the actual Series X SSD, which can only ever achieve 2.4GB/s raw and 4.8GB/s effective with compression.
If you think Series X SSD can't deliver performance beyond its raw spec with the tech Microsoft has in place, have a look for yourself. Remember Cerny's road to PS5 example of the PS5 being able to load 2GB in just 0.27 seconds?
Here is Microsoft doing the last gen equivalent of 2.68GB with sampler feedback streaming on Series X more than once in real-time in just 0.19 seconds & 0.17 seconds.
With SFS Series X never has to load anything close to 2.68GB into RAM. It instead loads just 565MB while using just 512MB of that.
Even in the optimized gen9 equivalent a lot more RAM is required, closer to 1.57GB, which Microsoft confirms is unrealistically efficient compared to what an actual game will be like, but even giving gen9 an unrealistic advantage, SFS on Series X still comes out 2.9x better than the gen 9 console streaming system with SSD.
I'm only using the information Microsoft has provided. If we can take Sony engineers and devs working on PS5 at their word, then we can take Microsoft engineers and devs working on Series X at their word. We already have the Dirt 5 technical director stating they can load FAR more data into RAM than what people think is possible with Series X, and he can do it without using compression, so take that for what it's worth.
Here it goes from an actual game experienced technical director of a major studio.
Dirt 5 Technical Director David Springate talked about his experience with Xbox Series X fast storage and said PS5 haptics will be redone.
wccftech.com
We look at all of these things all of the time. I can't promise which stuff is going to come in future patches, because we have to balance loads of different things, but it might. That's the best I can do. In terms of fast storage on Series X, I think that hardware is great, I worked on it with Microsoft early on and provided some feedback to them. I looked at the speed that we could get from it, you can get 10GB in two seconds in my personal early tests, it may well be able to do way better than that.
And that was without the compression in the hardware, that was just raw.
Man said he can do 10GB in two seconds on Series X in his personal tests and said this was RAW without compression. Obviously Xbox Series X's I/O can is a bit better than you think, and there are actual industry experts who back that up. You're all too willing to accept praise on the PS5 side of things, but not as willing to accept it for Xbox Series X. It's "just marketing" when it's Xbox, am I right?