2x m2 SSD problematic?

[ChrisLo]

Hey hey,

 

so when I built my system I thought a m2 ssd with 512 gigs would be enough for windows + some often used games / programs and everything else could sit on a external drive or so..

 

well I don't like that anymore, I want to have more internal storage and possibly the fastest without having to replace the existing ssd so in other words, I want to add another m2 ssd.

 

My mainboard is the:

Asus - ROG STRIX Z390-F GAMING ATX LGA1151 Motherboard

 

so the other "free" m2 port, has no m2 cooler like the first one that's already in used by my 970 evo.

Does that mean it might have less "performance"? Not just because of heat, maybe the lanes to it are different? I am too much of a noob and could not figure myself but I've been reading something about "sharing lanes with the GPU"

 

I just want to ask you guys, since here are a lot of people with properly knowledge- is that the case?
Do I slow other hardware down when using that slot for a second 970 evo (1 TB of size)?

Would I be better of with just using a 2.5" SATA connected one? (they're slower tho but I guess that doesn't matter too much for the most part)

 

 

[Mira Yurizaki]

1 minute ago, ChrisLo said:

Does that mean it might have less "performance"? Not just because of heat, maybe the lanes to it are different? I am too much of a noob and could not figure myself but I've been reading something about "sharing lanes with the GPU"

 

I just want to ask you guys, since here are a lot of people with properly knowledge- is that the case?
Do I slow other hardware down when using that slot for a second 970 evo (1 TB of size)?

The PCIe lanes for M.2 slots come from the chipset. At worst that'll happen is a couple of SATA ports will be disabled, though this varies depending on the system or motherboard so consult your manual.

 

It will not slow other hardware down unless you're asking the drive to hammer RAM with data, because the chipset bandwidth is typically the same as NVMe bandwidth. Basically, it's nothing to worry about.

 

1 minute ago, ChrisLo said:

Would I be better of with just using a 2.5" SATA connected one? (they're slower tho but I guess that doesn't matter too much for the most part)

If it gets you more space for the same price, yes. The difference between an HDD and SSD are quite noticeable. The difference between a SATA and NVMe SSD for a single user in most use cases are practically imperceptible.

[ChrisLo]

2 minutes ago, Mira Yurizaki said:

If it gets you more space for the same price, yes. The difference between an HDD and SSD are quite noticeable. The difference between a SATA and NVMe SSD for a single user in most use cases are practically imperceptible.

Well yes I could get like 1TB for 130% of the 970 Evo m2 512 GB, when picking SATA one but the write / read speeds are only like 1/6 (~500 instead of 3000) however, I do never reach those speeds on windows with my current ssd so I am not sure if those are even "truth" ^^ 

 

[Jurrunio]

10 minutes ago, ChrisLo said:

Not just because of heat,

M.2 "heatsinks" on 99% of boards (including this one) are a joke anyway, they increase temperature.

[Mira Yurizaki]

Just now, ChrisLo said:

Well yes I could get like 1TB for 130% of the 970 Evo m2 512 GB, when picking SATA one but the write / read speeds are only like 1/6 (~500 instead of 3000) however, I do never reach those speeds on windows with my current ssd so I am not sure if those are even "truth" ^^ 

 

Most applications don't even sustain bandwidth that high long enough for it to matter. The highest I've seen anything do is a 1 second spike of 500MB/sec. The thing with loading is that it's not just throwing stuff into RAM. The application has to figure out if it needs more things or not, and it has to spend time initializing itself before it can be considered usable. The charm of an SSD isn't its bandwidth, it's its response time.

[ChrisLo]

3 minutes ago, Jurrunio said:

M.2 "heatsinks" on 99% of boards (including this one) are a joke anyway, they increase temperature.

lol is that something you're just saying because you think so or did people really test that?
Like is that tested / confirmed knowledge?
cause then I would take it off ..

[Jurrunio]

11 minutes ago, ChrisLo said:

lol is that something you're just saying because you think so or did people really test that?
Like is that tested / confirmed knowledge?
cause then I would take it off ..

None of the boards that I know bothered to make fins or at least bumps that increase surface area, so they are all just as bad.