M.2 vs a PCIe SSD (boot) with SATA storage

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sweet3potatog8

Apr 20, 2018
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Details:
256GB PCIe SSD (Boot) + 2TB 7200RPM SATA 6Gb/s (Storage)
vs
512GB M.2 PCIe Solid State Drive

Hello, I just wanted to clear up my confusion (I am really new to this)
What difference does it mean that the PCIe SDD with SATA storage is separate, compared with the M.2?
Does the M.2 PCIe SDD have separate boot storage for the os?

Sorry if these questions make little sense, I have been given the choice between these two and I am not able to make a proper comparison with my current knowledge.

I know that the M.2 is provides great speed, though regarding other performance factors, would it be worth the extra cost?

Thank you very much
 
Solution
M
M2.SATA is a normal SATA speed drive in M.2 form factor (limited to about 540 MB/sec peak reads), and, although useful for laptops that are space challenged, most would never intentionally choose one over a normal 2.5" SATA SSD.....(or at least I would not)

The M2.NVME spec drives are more expensive, but, capable of 3200-3500 MB/sec reads on a good day....but, cost goes up by $100 or so over a SATA-spec drive for even a 500 gb variant, and by up to $400 for a 1 TB model.... (850/860 EVO vs. 960 Pro)

You can use secure boot in UEFI , a BIOS option, no matter which storage method you are using....

You will have to weight the cost of M.2 NVME for OS (try to get at least 500 GB if possible, IMO) plus a larger conventional drive for...
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sweet3potatog8

Apr 20, 2018
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Sorry for the late reply, yes that does help a bit, thank you!

So both of these options have a PCIe SSD, but one has an M2 Form Factor and the other SATA storage instead.
Would you say that the fact that the 2nd SDD has an M2 form factor "outweighs" that the 1st option an extra 2tb of SATA storage?
Is that 512GB the M2 PCIe SSD provides all the amount of storage I'll have?
 
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mdd1963

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Jan 14, 2006
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M2.SATA is a normal SATA speed drive in M.2 form factor (limited to about 540 MB/sec peak reads), and, although useful for laptops that are space challenged, most would never intentionally choose one over a normal 2.5" SATA SSD.....(or at least I would not)

The M2.NVME spec drives are more expensive, but, capable of 3200-3500 MB/sec reads on a good day....but, cost goes up by $100 or so over a SATA-spec drive for even a 500 gb variant, and by up to $400 for a 1 TB model.... (850/860 EVO vs. 960 Pro)

You can use secure boot in UEFI , a BIOS option, no matter which storage method you are using....

You will have to weight the cost of M.2 NVME for OS (try to get at least 500 GB if possible, IMO) plus a larger conventional drive for storage, vs. a larger SSD for 'do everything'. (I chose the former combo.
 
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