A520M-ITX/ac NAS CPU questions

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   Hello, Xaltar.
Could you please create new thread?

I'm building a NAS for me and I've choose ASRock A520M-ITX/ac as the motherboard and looking for low TDP CPU for it.
I found AMD Athlon PRO 300GE OEM and it look good enough but I'm not sure if it supports nvme drive as a bootable device.
The spec on MB(https://www.asrock.com/mb/AMD/A520M-ITXac/index.asp#Specification) says that:
NVMe SSD is not supported with AMD Athlon??3000G Processors

But 300GE is not equal to 3000G so I'm trying figure it out.
It's hard to find info on OEM CPUs so maybe someone here could help me.

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Grigoriy Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 hours 38 minutes ago Status: Offline Points: 30	Post Options Post Reply Quote Grigoriy Report Post Thanks(0) Quote Reply Topic: A520M-ITX/ac NAS CPU questions Posted: 23 hours 27 minutes ago at 1:14am
	Hello, Xaltar. Could you please create new thread? I'm building a NAS for me and I've choose ASRock A520M-ITX/ac as the motherboard and looking for low TDP CPU for it. I found AMD Athlon PRO 300GE OEM and it look good enough but I'm not sure if it supports nvme drive as a bootable device. The spec on MB(https://www.asrock.com/mb/AMD/A520M-ITXac/index.asp#Specification) says that: NVMe SSD is not supported with AMD Athlon??3000G Processors But 300GE is not equal to 3000G so I'm trying figure it out. It's hard to find info on OEM CPUs so maybe someone here could help me.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Online Points: 27293	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 18 hours 42 minutes ago at 5:59am
	As far as I can tell the 300ge and 3000g are likely identical silicon with only clock speeds being different. Both are based on the Picasso architecture and they both have the same TDP. Even the model numbers are only 2 digits different. My best guess is that they will have the exact same specs. I would look at a 35w Renoir based APU for your needs if you can find one.


Grigoriy Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 hours 38 minutes ago Status: Offline Points: 30	Post Options Post Reply Quote Grigoriy Report Post Thanks(0) Quote Reply Posted: 3 hours 3 minutes ago at 9:38pm
	Thanks! But I can't find something like PRO 4355GE and 4655GE and have plenty of these 300GE PRO in stock. I'm still trying though. It would be great if those athlon could use nvme as non boot drive and x1 or x2 lanes. I only need it for an SSD cache.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Online Points: 27293	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 1 hour 37 minutes ago at 11:04pm
	The issue is due to the number of PCIe lanes available on the 3000g(and 300ge). Your board may not provide any lanes to the M.2 slot when a 3000g/300ge is installed. You can try but I suspect the drive simply won't detect. If you are not using a GPU however there is absolutely nothing stopping you from installing a PCIe NVMe card in the PCIe x16 slot (which will be limited to x8 with a 300ge/3000g).