PCIe 3.0 vs 4.0: How To Pick An NVMe SSD

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Rating: 4.0; Vote: 1

When it comes to buying an NVMe SSD there are two options right now: PCIe 3.0 and PCIe 4.0. What do the different generations of PCIe mean? In this video Gordon walks your through the differences between gen 3 and gen 4 so that you can pick the best SSD for your needs. The: Most people aren't going to be able to tell the difference between a Gen3 and a Gen4 drive in most things. Hell, there are people that probably can't tell the difference between a SATA SSD and a Gen3 drive. Granted, not all NVMe drives are created equal. And that might change drastically once direct drive access starts to find it's way into games. However, in professional workloads, the difference can become more apparent. Take scrubbing through a timeline while editing. MASSIVE difference going from a HDD to an SSD. A BIG difference going from SATA to a Gen3. And a noticeable difference going from a Gen3 to a Gen4 drive.
Date: 2022-06-24

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Comments and reviews: 4

Ryan
Most people can t even tell the difference between SATA SSDs and PCIe drives
For me, it s more about everything besides raw speed
Does it have a DRAM cache? Is it sufficient size? I choose m.2 drives for cable management reasons and the small price premium
For laptops, pick the most efficient drive to save battery
For everyone else, pick whatever drive is cheapest at the correct capacity with a DRAM cache
Nothing else really matters
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Purple
DirectStorage was supposed to be packaged together with Win11, as an enticement to get people to upgrade. The fact that it is horribly delayed seems to hint that improvement to games load time is minimal at best, considering how fast NVMe drives are today.
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James
I wasted money on an expensive Gen 4 NVMe drive, I can't tell the difference between it and the Gen 3 drive I had. Everything loads about the same. Performs great in benchmarks.
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Jelipe
Gordon i threw a gen4 sp drive in my gen3 laptop now the bus is maxed out read and writes went from 1600 to 3200 in some of the speed test
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