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Product Name: | SK hynix Gold P31 1TB PCIe NVMe Gen3 M.2 2280 Internal SSD | Up to 3500MB/S | Compact M.2 SSD Form Factor SK hynix SSD | Internal Solid State Drive with 128-Layer NAND Flash |
Manufacturer: | SK hynix |
Model Number: | SHGP31-1000GM-2 |
Product SKU: | B08DKB5LWY |
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Each drive uses the PCIe lanes allocated to that slot typically 4 for ssds. PCIe 4 lanes are twice as fast as PCIe 3 lanes which is why the bandwidth available for the drive is higher in Gen 4. Using a Gen 4 at peak speed just uses up its allocated lanes without affecting anything else. If you use Gen 4 in a PCIe 3 slot, it works just like a Gen 3 ssd would work.
Each cpu has a limitations on the number of lanes it can support, so motherboards allocate available lanes to whatever connectors it allows on the board. Both Gen 3 and Gen 4 ssds use the same number of lanes (but of different speeds) and so cannot overwhelm other lanes.
SATA ports not being available when a certain m.2 slot is used is unrelated to Gen 3 or 4 or how much bandwidth it is using. It has to do with sharing a common port and so that disabling happens as soon as something is connected to the shared port. This is regardless of how much bandwidth the connected device may use.
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Not trying to thread-poop...
For those interested - Kingston Renegade 1T Gen4 is on sale free shipping direct from Kingston $99
https://slickdeals.net/f/16044337-high-performance-1tb-kingston-fury-renegade-nvme-3d-tlc-nand-pcie-...
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see this review https://www.anandtech.c
the 970 evo plus is on the comparison charts in the review
Thinking of adding this to rasp pi for over-the-air family iphone photos backup.
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All true. Picked up one of these off a Slickdeal earlier this year at about the same price. Buy with confidence. If you need a cool running efficient PCIE Gen 3 1 TB NVME for a laptop this one is king.
There's no real world difference between gen 3 and gen 4 nvme drives. Linus tech tips did a blind test and nobody can tell the difference between them. Unless all you care about is running read write benchmarks for fun, gen 3 is plenty fast.
But there's more to an ssd than the raw read write speeds. There's also how it handles the smaller 4kb file sizes. That matters way more for how a drive feels day to day with how snappy it is.
Another thing to keep in mind. Depending on your motherboard, if you run a drive at gen 4, it could potentially bottleneck the rest of the system somewhere else. There's only so much pci express bandwidth to go around between the GPU, nvme and sata drives. I've seen where someone ran a couple gen 4 drives and two of their sata drives were disabled because the bandwidth limitation.
So gen 3 is plenty fast. I mean if 3500mbps isn't fast enough for you. I dunno what to tell you
But there's more to an ssd than the raw read write speeds. There's also how it handles the smaller 4kb file sizes. That matters way more for how a drive feels day to day with how snappy it is.
Another thing to keep in mind. Depending on your motherboard, if you run a drive at gen 4, it could potentially bottleneck the rest of the system somewhere else. There's only so much pci express bandwidth to go around between the GPU, nvme and sata drives. I've seen where someone ran a couple gen 4 drives and two of their sata drives were disabled because the bandwidth limitation.
So gen 3 is plenty fast. I mean if 3500mbps isn't fast enough for you. I dunno what to tell you
While that's true it may seem like 3500MBps by the way (you said mbps, which is megabits and much slower than)
May seem fast to you now. But in reality this is extremely slow and we will see that to be true in 10 to 15 years they will be like wow they had such slow hard drives. Those barbarians.