🔍 Read the full analysis: Why We Chose UGREEN’s 6-Bay NAS For Our AI Workloads on ThorstenMeyerAI.com
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TL;DR
ThorstenMeyerAI.com says it bought a UGREEN NASync DXP6800 Pro after duplicate iCloud sync files nearly filled a database server and backup cleanup timed out. The NAS has been equipped with four hard drives and an NVMe SSD but is not yet installed; the planned backup setup has not passed its acceptance tests.
ThorstenMeyerAI.com has bought UGREEN’s six-bay NASync DXP6800 Pro after duplicate files created by an iCloud sync problem left a database server with just 2% free disk space. The storage device has been delivered and equipped, but is not connected to the network, so the backup plan described by the site remains untested.
The site says two machines uploaded database dumps with the same filename to one iCloud folder on September 17. The sync service retained conflict copies; 29 duplicates accumulated and contributed to the server’s low free space. On October 29, a separate nightly backup job reported an error when cleanup of old dump files timed out while iCloud was busy. The site says the backup itself was intact, but managing the copies had stalled.
The operation reports that its current data needs are modest: measurements from October 6 put storage use at about 2.6 TB on its main desk machine, 744 GB on its database server and 3.2 TB on its model server. It estimates its present backup requirement at 6 to 8 TB. The site says many of the AI model files can be downloaded again.
The purchased setup includes four Seagate IronWolf Pro 16 TB drives and one NVMe SSD. The plan is to put the hard drives in RAID 6 for backups and use the SSD as a separate pool for containers and test databases. The site estimates roughly 32 TB usable in that four-drive RAID 6 arrangement. These are planned configurations, not results from a running system.
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 for Faster Recovery
The purchase addresses two distinct risks: sync errors can reproduce unwanted changes, and restoring large files from an offsite service can take longer than restoring them over a local network. A NAS could provide a nearby backup destination and a place to run test databases away from the operator’s main laptop. It would not, by itself, protect against every failure.
The site says the database server has experienced recurring kernel panics since August, at times roughly every five days. A crash on August 8 caused 2¼ hours of database downtime, according to its account. A NAS cannot prevent another crash, but the publisher expects a local copy could shorten recovery. That expectation has not yet been tested.
The planned safeguards also matter because network storage can be exposed to accidental deletion or compromise. The site proposes separate, quota-limited accounts for each Mac, daily snapshots that those accounts cannot access or delete, and an encrypted offsite copy sent with restic to Backblaze B2 with Object Lock. It says it will not give AI agents administrator credentials or expose the NAS directly to the internet.
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Why Six Bays Beat Four
The publisher says it chose the six-bay DXP6800 Pro over a cheaper four-bay model because it wanted space to expand without replacing its existing drives. According to UGREEN’s specifications cited by the site, the NAS has six SATA bays, two M.2 slots, two 10GbE ports and an Intel Core i5-1235U processor. Its 8 GB of DDR5 memory can be expanded to 64 GB, the company says.
The site estimates that filling all six bays with 16 TB drives in RAID 6 would provide about 64 TB of usable capacity. It has not bought or installed the other two drives, and that larger capacity is a projection rather than current storage. The planned RAID arrangement is intended to tolerate the failure of two drives, but RAID is not a substitute for an independent backup.
The publisher frames the NAS as one part of a wider backup approach rather than a replacement for cloud storage. It cites the 3-2-1 principle—three copies, on two types of media, with one copy offsite—and says the local NAS would supply an additional on-site destination. Its existing backups remain in place for now: Time Machine disks attached to two Macs and an iCloud copy of the nightly database dump.
“That was the day I stopped treating a sync service as a backup.”
— Thorsten Meyer, ThorstenMeyerAI.com
Deployment Tests Still Await
The NAS is not yet on the network or configured, and neither acceptance test has been run. The proposed RAID layout, snapshot controls, Time Machine compatibility and offsite backup process are all plans. The publisher says the device will be returned if either of its initial tests fails.
The article is not a review or long-term test, and it provides no measured transfer speeds, restore times, noise levels or results under AI workloads. It also does not report how the system will perform after deployment. The site says it will publish results once the NAS is running.
Meyer says the NAS, drives and SSD were purchased with his own money, with no sample or sponsorship from UGREEN and no affiliate links. Product specifications are attributed to UGREEN and Seagate, while figures about the site’s computer fleet are its own measurements.
Acceptance Tests Before Rollout
The next step is to connect the NAS and test whether Time Machine can write backups through a non-admin account and whether daily snapshots remain beyond that account’s reach. Until both checks pass, the publisher says its existing backups will continue unchanged.
If the tests succeed, the site plans to move backup storage to the NAS, place containers and test databases on the separate SSD pool, and send an encrypted copy offsite. It plans to schedule disk-heavy work between 8 p.m. and 6 a.m. so the hard drives can sleep during the working day. The publisher says it will report real-world results after rollout; no deployment date or test results have been provided.
Key Questions
Why did ThorstenMeyerAI.com buy the NAS?
The site says duplicate iCloud conflict copies nearly filled its database server, and a later cleanup job timed out. It wants a local destination for backups and test databases.
Is the UGREEN NAS already backing up the computers?
No. As of November 1, 2026, it had been delivered and equipped but was not connected to the network. The site says its current Time Machine and iCloud backups remain in use.
What storage setup is planned?
The plan is to use four 16 TB hard drives in RAID 6 for backups and a separate NVMe SSD pool for containers and test databases. The site estimates about 32 TB usable in the four-drive arrangement.
What has to happen before the NAS is adopted?
The device must pass tests for Time Machine backups using a non-admin account and snapshots that the account cannot access or delete. The publisher says it will return the NAS if either test fails.
Will the NAS replace offsite backups?
No. The publisher plans to keep an encrypted offsite copy on Backblaze B2 using restic and Object Lock. The proposed local NAS is intended to add an on-site backup, not replace the offsite copy.
Source: ThorstenMeyerAI.com
