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I own an HP 15 CX0030NR gaming laptop with 128 GB SSD + 1TB HDD.  The SSD interface is PCI 3.0.  I'm  considering an upgrade to an NVMe 3.0 1TB drive to replace both.  My question is whether the NVMe will be significantly faster than the SSD.  I may leave the HDD installed to use as a backup drive.

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You can expect a decent performing PCIe 3.0 NVMe SSD such as a Samsung 980 or a Crucial P3 to have at least 3 times the read/write speed of the fastest SATA SSD available on the market.

 

For example, the Samsung 980 has a max read/write speed of 3,500/3,000 MBPS whereas the WD Blue SA510 M.2 SATA SSD has a max read write speed of 560/520 MBPS.

 

 

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You can expect a decent performing PCIe 3.0 NVMe SSD such as a Samsung 980 or a Crucial P3 to have at least 3 times the read/write speed of the fastest SATA SSD available on the market.

 

For example, the Samsung 980 has a max read/write speed of 3,500/3,000 MBPS whereas the WD Blue SA510 M.2 SATA SSD has a max read write speed of 560/520 MBPS.

 

 

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Thanks Paul for your reply!  I agree with your assessment of SSD performance.  After some more research on my existing 128GB SSD HP P/N L21751-001 specs, it is an NVMe PCIe 3.0x4 drive with read/write speeds of 2100/1700 MB/s.  So by replacing this SSD with the Samsung 980 I'll see a performance increase of 67% read and 76% write speeds.  That's significant enough to do some further research.  I'm well pleased with Samsung Magician migration S/W as I've used this 3 times successfully with OS+data migration to Samsung SSDs in other PCs.  So for my endgame, I'm researching migrating OS + data (SSD & HDD) to a 1TB SSD to replace the 128 GB SSD and leaving the HDD as a backup drive.  Thanks again for your suggestions!

Regards,

mhardin1980

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You're very welcome. 

 

I didn't know that your notebook came with a NVMe SSD already. 

 

HP usually installs 128 GB M.2 SATA SSDs. 

 

So, you may see twice the speed from either of the drives I mentioned over your notebook's currently installed NVMe SSD 

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