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Post your CrystalDiskMark speeds

Samung SSD 860 EVO 1TB
 

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Several 2TB Rocket Nvme PCIe 4.0 M.2 2280
Internal SSD Maximum Performance Solid State Drive With Heatsink RAID Configuration
Rocket In Raid.JPG
 
Several 2TB Rocket Nvme PCIe 4.0 M.2 2280
Internal SSD Maximum Performance Solid State Drive With Heatsink RAID Configuration
View attachment 147773
try with cdm7.0

 
Samsung 970 Pro 512GB (no raid, m.2 nvme)
MSI MEG Z390 ACE
Intel Hexacore 9600KF @ 5.0GHz

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try with cdm7.0


This is what i get with cdm 7.0

Rocket In Raid 2.JPG
 
Adata XPG SX8200 Pro
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Not the fastest(in the slightest) but gets the job done for me.
 
cdm700 3-13-20.png


960EVO m.2 nvme
 
cdm700 external 3-14-20.png


Rocket PRO
External USB3.1
 
Hello,
I made some tests with 2 NVMe Corsair Force MP600 1TB PCIE 4.0, mounted on a X570 chipset motherboard (Asus Crossair VIII Hero Wifi).

The thing of the X570 chipset and Zen2 architecture is that one NVme is connected to the CPU and one is connected to the chipset.

I didn't know that before setting up my configuration, so I installed windows on these two NVMe in Raid 0.
I'm sorry that I don't have a Cristaldiskmark result for the Raid 0 mode, but I have an AS SSD Benchmark result.
as-ssd-bench AMD-RAID Array 1 07.03.2020 21-19-30.png


These NVMe disks are given for 4950 / 4250 Mb/s (Read / Write).
So my Raid 0 was giving worse performances than a single disk is supposed to provide.

I broke my Raid and installed windows on the NVMe connected to the CPU.

Results are with / without rapid mode (Asus software is called RAMCACHE III)
This benchmark has been run on the NVMe connected to the chipset, where windows is not installed.

crystaldisk mark nvme.png
crystaldisk mark nvme without ramdisk.png

as-ssd-bench Force MP600 12.03.2020 02-08-28.png
as-ssd-bench Force MP600 14.03.2020 18-55-38.png



So I get exactly the speed the vendor is announcing, and still better performance overall than with my Raid 0.

Also, as a real test, I have made a transfer of a 418 Go WindowsRestore image between my two NVMe, it took around 4 minutes to transfer. The average speed was around 1.72Go/s
At the end of the transfer, around 65Go left to transfer, the speed has fallen to approx 550 Mo/s, until the end of the operation. I guess the disks were too hot.
As a comparison the same transfer from SATA disks to the NVMe took around 47 minutes instead of 4 minutes between the two NVMe


Hope these informations will be helpful for anyone willing to make a Raid 0 on a X570 chipset

Edit: I add also the Cristaldiskmark result of the NVMe connected to the CPU. There is no gain from it being directly connected to the CPU instead of the chipset
crystaldisk mark nvme without ramdisk C drive.png
 
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My cheap Intel 256gb in R0:

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just joined
I used CDM ver7 to run the benchmark on 970evo, the benchmark used about 90GB host writes for default 1GiB test. really what a waste. Also host read is about 60GB
 
just joined
I used CDM ver7 to run the benchmark on 970evo, the benchmark used about 90GB host writes for default 1GiB test. really what a waste. Also host read is about 60GB
you can't wear off evo 970. 860 pro 512gb reach 1 petabyte

 
cdm700 3-21-20.jpg


Rocket PRO
External USB3.1 with write caching enabled.
 
Seems fine)))
 

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Not sure what it is you are saying?
write cache on usb disc is makes no sense. i'm trying to understand what the difference yours?
 
write cache on usb disc is makes no sense. i'm trying to understand what the difference yours?

Are you saying you cannot enable write caching on an external USB drive on your PC?

I checked this drive on two different PCs, eVGA Z390 and AsRock Z77. Both have write caching available for the drive.
 
Are you saying you cannot enable write caching on an external USB drive on your PC?

I checked this drive on two different PCs, eVGA Z390 and AsRock Z77. Both have write caching available for the drive.
yes i can't and it says your device could not support it. now i've tried with 4tb external hdd and i can select write cache. not because of amd intel difference and external hdd is a hdd. my problem is flash disc or expanding cable on type c.now i've tried usb 3.0 flash disc and no write cache only fast and performance select. meh nvr it's 6 am in here and i'm up about a hour.
 
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