Question NVMe storage device in a non-NVMe slot

Feb 11, 2019
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Hello, I am currently building a new PC for gaming purposes. I've been thinking about storage options and heard that NVMe storage devices are the fastest with 3,500MB/s read speeds. I'd like to have two such SSD on my computer, one for the system and related files, and the other for games and other media.

The thing is that I'm having trouble finding a motherboard that would support two NVMe enabled devices. I've found the ROG Strix Z390-E Motherboard (https://www.asus.com/Motherboards/ROG-STRIX-Z390-E-GAMING/) that features two PCIe 3.0 x4 connection slots, but under the Memory and Storage panel, it says that only one of them supports NVMe.

What would happen if I connected two NVMe devices to both slots, like the Samsung SSD https://www.samsung.com/us/computing/memory-storage/solid-state-drives/ssd-970-pro-nvme-m2-512gb-mz-v7p512bw/
How much speed would I be losing? And if the loss is significant, do you know of any motherboards that support two NVMe storage devices? I cannot find any.

I'm sorry if this is a stupid question, thanks in advance for answering.
 
The difference between SATA SSD and NVMe SSD is usually only really noticeable in use-cases like video editing where you regularly move around large files. Think of it this way:

HDD: +++
SATA SSD: ++++++++++
NVMe SSD: +++++++++++

For your use-case, SATA SSDs might be the best bet.
 

karenjoly

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Apr 13, 2018
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The thing is that I'm having trouble finding a motherboard that would support two NVMe enabled devices. I've found the ROG Strix Z390-E Motherboard (https://www.asus.com/Motherboards/ROG-STRIX-Z390-E-GAMING/) that features two PCIe 3.0 x4 connection slots, but under the Memory and Storage panel, it says that only one of them supports NVMe.
Well you misinterpret the specs of that board and most z390 boards. The Strix and most others support two M.2 drives operating in NVMe/ PCIe mode and so will support two 970 Pros.

The spec says

Intel® Z390 Chipset :
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (both SATA & PCIE mode)*2
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
 

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