🔍 Read the full analysis: Choosing And Configuring A 6-Bay UGREEN NASync DXP6800 Pro For AI on ThorstenMeyerAI.com
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TL;DR
Thorsten MeyerAI.com says it bought a UGREEN NASync DXP6800 Pro after duplicate iCloud sync files nearly filled a database server. As of November 1, 2026, the NAS is equipped but not installed; its RAID, snapshot and offsite-backup plan remains untested.
Thorsten MeyerAI.com has bought a six-bay UGREEN NASync DXP6800 Pro after duplicate files created by an iCloud sync workflow left one of its servers with 2% free disk space. The NAS has been equipped with four hard drives and an NVMe SSD, but it is not connected to the network, and the planned backup system has not yet passed its tests.
Meyer says two machines uploaded database dumps with the same name into one iCloud folder on September 17. The service retained repeated conflict copies, producing 29 duplicates and nearly filling the database server’s disk. On October 29, a separate backup job also reported an error when cleanup of old copies timed out while iCloud was busy. The account is the site’s report of its own systems, not an independent product test.
The purchased hardware is fitted with four Seagate IronWolf Pro 16 TB drives and one NVMe SSD. The planned arrangement puts the hard drives in RAID 6, which Meyer estimates would provide about 32 TB of usable capacity and tolerate two drive failures. The SSD would be a separate pool for containers and test databases. These are planned settings, not a description of a running system.
Meyer says UGREEN lists the DXP6800 Pro with six SATA bays, two M.2 slots, a 10-core Intel Core i5-1235U, dual 10GbE ports and 8 GB of DDR5 memory expandable to 64 GB. The six bays were the reason for choosing it over a less expensive four-bay alternative, according to the article. Product specifications are attributed to UGREEN; the site says it bought the NAS and storage itself and received no sponsorship or review sample.
Infographic 01 · The box
Six bays, two fast slots, two 10GbE ports
What UGREEN lists for the NASync DXP6800 Pro, and how we plan to fill it.
How we fill it
Delivered and equipped; the setup is our plan (1 Nov 2026)
Bays 1–4: Seagate IronWolf Pro 16 TB, RAID 6, Btrfs → ≈ 32 TB usable, any two drives may fail. Bays 5–6: free for growth. M.2 slot 1: the NVMe SSD (ordered: Samsung 990 Pro 1 TB) as its own fast pool. Slot 2: free. Six 16 TB drives in RAID 6 would give ≈ 64 TB.
What else UGREEN lists
From the product page, not measured by us
- Separate 128 GB SSD for the operating system, UGOS
- RAID: JBOD, Basic, 0, 1, 5, 6, 10
- 1× PCIe x4 · 2× Thunderbolt 4 · 8K HDMI · SD card reader
- Power: 43.07 W drives in use · 24.91 W drives in hibernation
- Stated maximum: 208 TB with 32 TB drives · 3-year warranty
Why six bays: with RAID 6, two drives always hold parity. In four bays that leaves half the raw space usable; with all six bays filled it becomes two thirds.
Sources: UGREEN DXP6800 Pro product page, checked 1 Nov 2026; Seagate IronWolf Pro data sheet DS2129.4; our setup plan, 6 Oct 2026.
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A Local Copy Could Speed Recovery
The purchase addresses a distinction between file synchronization and backup: synchronization can replicate deletions or duplicate files rather than preserve an independent, recoverable copy. Meyer says UGREEN’s own help center warns that, in two-way sync, deleting a file on one side also deletes it on the other.
A local NAS could give the operation a faster recovery path than downloading hundreds of gigabytes from cloud storage, while moving test databases off a work laptop. But it would not prevent a server crash or protect data if the NAS itself were the only backup. Meyer’s stated plan adds snapshots and an encrypted offsite copy to address those risks. Whether that layered arrangement works in practice remains to be tested.
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From iCloud Conflicts to NAS
The site describes a small fleet of Macs: one runs its main Postgres database, another serves local AI models, and others handle publishing workflows and tests. Measurements taken October 6 put storage use at about 2.6 TB on the main desk machine, 744 GB on the database server, and 3.2 TB on the model server. The database itself was about 293 GB; Meyer estimates the current backup requirement at 6 to 8 TB.
The proposed NAS is intended to serve as an on-site copy under the operation’s control, rather than replace offsite storage. Meyer cites the 3-2-1 backup rule—three copies, on two media types, with one offsite—as the rationale for combining local storage with a separate cloud copy. The article also says the database Mac has experienced recurring kernel panics since August; a NAS would not stop those crashes, but a nearby restore could reduce recovery time.
“That was the day I stopped treating a sync service as a backup.”
— Thorsten Meyer, ThorstenMeyerAI.com
Setup and Safeguards Are Untested
As of November 1, 2026, the NAS has been delivered and fitted with drives, but it is not yet on the network. The site has not run either acceptance test: whether Time Machine works using a non-admin account, and whether snapshots remain inaccessible to that account. The existing backups are still local Time Machine disks on two Macs plus an iCloud copy of the nightly database dump.
Other details also remain prospective. The RAID 6 array, quotas, snapshot schedule and encrypted restic copy to Backblaze B2 have not been deployed or verified. The article gives no measured restore times, completed capacity tests, noise results or long-term reliability data. Meyer says the NAS has not undergone a long-term test and that results will follow after rollout.
Acceptance Tests Before Rollout
The next step is to connect the NAS and run the two stated acceptance tests: Time Machine backups with a non-admin account and snapshots that the account cannot access or delete. Meyer says failure of either test would mean returning the unit. If it passes, the planned setup also calls for individual Mac accounts with quotas, daily snapshots, and an encrypted offsite restic backup to Backblaze B2 with Object Lock against deletion.
The site plans to schedule disk-heavy work between 20:00 and 06:00 so the drives can sleep during the working day. It says it will report real operating results after deployment. Until those tests and follow-up measurements are published, the article documents a hardware choice and configuration plan—not proof that the NAS has solved the backup problem.
Key Questions
Is the UGREEN NAS already backing up the site’s computers?
No. As of November 1, 2026, the NAS has been delivered and equipped but is not connected to the network. Existing backups remain on local Time Machine disks and in iCloud.
Why did the site choose a six-bay model?
Meyer says the six SATA bays provide room to add drives later without replacing the existing ones. The article says this was the reason for choosing the DXP6800 Pro over a cheaper four-bay model.
How much usable storage is planned at first?
The proposed four-drive RAID 6 setup is estimated at about 32 TB usable. That is a planning estimate; the array has not been configured or tested.
What tests must the NAS pass?
The site plans to test Time Machine using a non-admin account and confirm that daily snapshots stay out of reach of that account. Meyer says the unit will be returned if either test fails.
Will the NAS replace the offsite cloud backup?
No. The plan retains an encrypted offsite copy using restic and Backblaze B2, with Object Lock intended to guard against deletion. That part of the setup has not yet been deployed.
Source: ThorstenMeyerAI.com
