Question WD Blue SN570 question

[Maxwell99]

Hellos guys im about to get a new ssd and i heard that the SN570 is a good option but acording to some reviews it have horrible "secuential whrite speed", does this mean it is bad for installing large programs, like games?

thanks!

 

[Lafong]

It is supposed to be relevant when copying large files.

I don't game, but I'd guess games are made up of a bunch of small files, like most programs. So it might matter very little.

That is a good drive in its class. The SN 770 is a bit better if used on a gen 4 port.

 

[jeremyj_83]

The SN570 is a good budget drive. However, it does have a pretty big weakness and that is in sustained write speeds due to a small SLC cache. Installing files that are 6GB in size are fine, however, transferring a 50GB Blu-Ray will slow it down. Once the SLC is used up the SN570 has sequential write speeds of only 600MB/sec. That is overall pretty slow for NVMe drives. Compare that to the WD Black SN750 which after the SLC cache is used up it still has sequential write speeds over 1500MB/sec. All that said the SN570 is a good drive for general use. If you are going to be moving large files around a lot then I would look else where. However, if this will be for general usage and gaming then it will be fine.

 

[Maxwell99]

thanks guys, im probably going for this one but is there any other good option for that price?

 

[jeremyj_83]

thanks guys, im probably going for this one but is there any other good option for that price?

You could go with the SN770 which is a PCIe 4 drive. It has a larger pSLC buffer but after that is filled the write speed is about equal to that of the SN570. Otherwise there isn't much available in that price range that will be any better.

 

[Maxwell99]

You could go with the SN770 which is a PCIe 4 drive. It has a larger pSLC buffer but after that is filled the write speed is about equal to that of the SN570. Otherwise there isn't much available in that price range that will be any better.

thanks for the advice but my motherboard is an b450 ds3h which is pcie 3

 

[jeremyj_83]

thanks for the advice but my motherboard is an b450 ds3h which is pcie 3

Then SN770 will still work on the PCIe 3 motherboard but only at Gen 3 speeds. About the only advantage to you would be the larger pSLC. The SN770 review has the SN570 data in it as well. https://www.tomshardware.com/reviews/wd-black-sn770-ssd-review/3