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Consumer to enterprise storage for Proxmox (SATA/M.2 -> U.2/U.3)

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Mario_Rossi

New Around Here
Hi, at the beginning of the year I built a home server for proxmox with consumer hardware and storage.

I have two 240gb sata ssd in RAID1 ZFS for the proxmox operating system.
I have a 1TB NVME M.2 SSD (samsung pro 990) for the VMs in ZFS
I have two 6TB WDGold SATA HDs in pass through on the Truenas CORE VM.

The wear of the SSDs is accentuated, with the current loads I calculated that within a year the wear leveling will reach 0.
In various forums it is recommended to use SSD with PLP.

I was thinking of buying 4 cheap used U.2/U.3 PLP SSDs, an HBA card and possibly a backplane
2x <400gb for proxmox RAID1 ZFS
2x ~1TB for RAID1 ZFS VMs

The motherboard I have destined to act as a server is a CWWK AMD-8845HS (https://cwwk.net/products/cwwk-amd-...-network-2-5g-9-sata-pcie-x16-itx-motherboard).
On a SFE-8643 SATA3.0 (6Gbps) port I will connect the 2 WD GOLD 6TB HDs.
On the PCI-E x16 slot PCle4.0 port (x8 signal) I would like to connect the HBA card that supports 4 U.2/U.3 SSDs

My problem is that I can't figure out what card, cables and backplane to look for.
SSDs are easy to find, just search for SSD U.2 or U.3
But on the HBA card I often find the acronyms SAS, SATA, sometimes NVME (which is what I should be interested in), while the cables are often SFE on one side and SATA on the other.
On the backplane I only find SATA/SAS.

I ask you for help in understanding what I have to look for to manage 4 U.2 or U.3 SSDs on my server.
It would be better (costs permitting) to get a universal U.3/U.2/SAS/SATA platform so I can use any type of disk.
Otherwise at least one that supports U.2.
U.3 SSDs are backwards compatible on the U.2 platform, maybe you lose something but in a home server it's not a tragedy.

Thanks for the help.
 
U.3 SSDs are backwards compatible on the U.2 platform, maybe you lose something but in a home server it's not a tragedy.
U.3 was created so there would be one interface for PCIE/SATA/SAS. So you can use NVME, SATA, & SAS on one controller. But I think U.2 is not compatible to it.

Best archival NAS is going to be SATA drive base. If you actually need performance with it, then go SAS.
 

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