🔍 Read the full analysis: A Practical Guide To Our UGREEN NASync DXP6800 Pro AI Setup on ThorstenMeyerAI.com
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TL;DR
Thorsten Meyer says a UGREEN NASync DXP6800 Pro, purchased after backup sync conflicts nearly filled a database server, has been equipped but is not yet configured or connected to the network. The planned setup uses RAID 6, snapshots and encrypted offsite backups, but the NAS must first pass two tests; the author says he will return it if either fails.
Thorsten Meyer says he has bought and equipped a UGREEN NASync DXP6800 Pro after duplicate files from a synced backup nearly filled a server, but the six-bay device is not yet connected or configured; a related UGREEN NAS review explores its AI use cases and alternatives. His November 1 setup report describes a planned local-and-offsite backup system and says the NAS will be returned if it fails either of two tests: Time Machine backups using a non-admin account and snapshots that the account cannot access or delete.
Meyer reports that on September 17, a database server fell to 2% free disk space after two machines saved database dumps with the same name to one iCloud folder. He says iCloud produced 29 conflict copies. On October 29, a nightly job also failed to remove old copies after the cleanup process timed out while iCloud was busy. These are the author’s account of problems in his own setup, not independently verified findings.
The NAS has been delivered with four Seagate IronWolf Pro 16 TB hard drives and one NVMe SSD. Meyer plans to configure the hard drives in RAID 6, which he estimates would leave about 32 TB usable while tolerating the failure of two drives. The SSD would hold containers and test databases in a separate pool. Those figures describe the proposed configuration; it has not been tested in operation.
The planned protections add individual Mac backup accounts with quotas, daily snapshots intended to be inaccessible to those accounts, and an encrypted offsite copy made with restic to Backblaze B2 using Object Lock. Meyer says disk-heavy work would run between 8 p.m. and 6 a.m. to limit daytime drive activity. He also rules out internet-facing remote access, admin credentials for AI agents, and treating a UGREEN cloud mirror as the offsite backup.
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 plan addresses two different risks: losing data and taking too long to recover it. A local NAS could provide a nearby copy for restores, while a separate offsite copy is intended to protect against a failure affecting the office or its storage. Meyer says a restore of hundreds of gigabytes over his home-office connection could take hours; the NAS is meant to make the first recovery step faster.
But a network storage box is not automatically a safe backup. If deletions or damaged files are mirrored, the second copy can repeat the original problem. That is why the proposed design depends on separate accounts and protected snapshots, as well as an offsite copy. Whether those safeguards work as intended remains untested, so the report describes a plan rather than a demonstrated improvement.
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From iCloud Conflicts to NAS
Meyer describes a small fleet of Macs used for a publishing operation: one runs its main PostgreSQL database, another serves local AI models, and others handle content pipelines and tests. He measured about 6 to 8 TB of current backup needs. His October 6 measurements put three machines at about 2.6 TB, 744 GB and 3.2 TB in use; he says the database itself was about 293 GB and much of the model data could be downloaded again.
The author also reports recurring kernel panics on the database Mac since August, with one incident on August 8 causing about 2¼ hours of downtime. A NAS would not prevent a computer crash, he says, but a local restore might reduce recovery time. He chose the six-bay model over a cheaper four-bay option for room to expand: he says six 16 TB drives in RAID 6 would yield about 64 TB usable. UGREEN’s product specifications, as cited in the report, list a 10-core Intel Core i5-1235U, two 10GbE ports, two M.2 slots and 8 GB of DDR5 memory expandable to 64 GB.
Meyer says he paid for the NAS, drives and SSD himself, and that UGREEN did not provide a review unit or sponsor the article. He describes the piece as a setup plan, not a review or long-term test, and says the company has not reviewed it.
“That was the day I stopped treating a sync service as a backup.”
— Thorsten Meyer, in the November 1 report
The NAS Has Yet to Pass Tests
The device is not on the network, and neither acceptance test has run. The report therefore does not establish whether Time Machine will work with the planned non-admin account, whether snapshots will remain inaccessible to that account, or whether the full backup and recovery design will perform as intended.
Other practical details also remain open, including actual usable capacity after formatting and setup, transfer and restore speeds, power use, noise, and whether the chosen schedule keeps the drives asleep during the workday. Meyer’s quoted capacity figures are estimates for a proposed RAID configuration, not measured results. The timing and results of the rollout are not specified beyond the promise of a later report.
Acceptance Tests Decide Deployment
Meyer says he will first test Time Machine with a non-admin account and check that the account cannot access or delete snapshots. Failure on either test means he will return the NAS, according to the report. If both pass, the planned next step is to put the device into service with the RAID 6 hard-drive pool, SSD pool and layered backup approach.
The author says he will publish real results after the NAS is running. Until then, the claims about capacity, quiet operation and faster recovery remain expectations based on the intended setup, not results from a completed test.
Key Questions
Is the UGREEN NAS already backing up the Macs?
No. Meyer says it has been delivered and equipped with drives, but is not connected to the network or set up. The existing backups remain in place while the planned tests are pending.
What storage setup is planned?
The plan is to use four 16 TB hard drives in RAID 6, which Meyer estimates would provide about 32 TB usable, plus an NVMe SSD in a separate pool for containers and test databases. Those are planned figures, not measured results.
What are the two tests the NAS must pass?
Meyer plans to test Time Machine with a non-admin account and verify that the account cannot see or delete snapshots. He says he will return the device if either test fails.
Why add offsite storage if there will be a NAS?
The NAS would be a local copy for faster recovery, while the planned encrypted Backblaze B2 copy would be kept offsite. The report’s design treats these as separate layers, rather than relying on sync alone.
Source: ThorstenMeyerAI.com
