How much storage fits in the UGREEN NASync DXP6800 Pro?
By Devin Chua · Data checked by Owen Nakamura · Updated The UGREEN NASync DXP6800 Pro takes 6 drives, up to 208 TB raw, but usable is the number that matters: 6 × 8 TB in RAID 5 gives 36.38 TiB, and it survives 1 drive failing. The gap from raw capacity is parity.
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CMR NAS drives for the DXP6800 Pro, by price per TB
Only families with confirmed CMR recording and a 24/7 rating, in stock on Amazon.ca and sized for the DXP6800 Pro. SMR drives are deliberately kept out.
What sets the DXP6800 Pro apart
The flagship: six bays, a laptop-class i5, two 10-gigabit ports. In this class RAID 6 beats RAID 5, because six large drives make the rebuild the real risk. Enterprise drives like Exos are defensible here if you accept the noise.
Who the DXP6800 Pro is for
The DXP6800 Pro is workstation-class for a NAS. The Intel Core i5-1235U (10 cores, 12 threads) pairs 10 cores with Iris Xe graphics, so it both hardware-transcodes several 4K Plex streams and hosts multiple virtual machines at once, and its 2 × 10GbE (link-aggregable to 20 Gbit/s) can actually carry that data off the box. Buy the DXP6800 Pro when the NAS is doing real compute, not just holding files.
How the DXP6800 Pro's network shapes the drive choice
The DXP6800 Pro ships with 2 × 10GbE (link-aggregable to 20 Gbit/s), and that rewrites the maths. Ten gigabit is about 1,100 MB/s; a single drive gives 150 to 280 MB/s and a 6-drive array three to four times that, so you close much of the gap without ever quite saturating the link. On the DXP6800 Pro, for the first time, a 7200 rpm Pro drive earns its price — and the NVMe cache earns its slot by keeping hot data off the spinning disks.
A worked configuration for the DXP6800 Pro
Seagate IronWolf Pro or WD Red Plus in every bay is the recommendation for the DXP6800 Pro. At 6 × 8 TB in RAID 5, the DXP6800 Pro lands 36.38 TiB usable, gives up 8 TB to parity, and survives 1 drive failing. Step the same 6 bays of the DXP6800 Pro up to 16 TB drives and it holds roughly twice that, at the CA$/TB the live table above shows.
RAID 5 or RAID 6 in the DXP6800 Pro?
With 6 bays the DXP6800 Pro gives a real choice. In RAID 5 it keeps 36.38 TiB of the 6 × 8 TB and survives one failure; RAID 6 spends one more drive for two. The trade tips with large drives: after a failure the DXP6800 Pro must read every surviving drive in full to rebuild, which on 20 TB drives runs the better part of a day under peak load. So from 16 TB per drive up, RAID 6 is the calmer choice in the DXP6800 Pro.
One rule holds on every NAS, the DXP6800 Pro included: use CMR drives, not SMR. SMR drives rewrite overlapping tracks and collapse during a RAID rebuild, dragging a repair from hours into days.
The UGREEN drive policy on the DXP6800 Pro
unrestrictedOpen. UGREEN mandates no drive brand. The compatibility list is a recommendation, not a lock.
The DXP6800 Pro at a glance
| Bays | 6 × 3.5-inch and 2.5-inch SATA |
|---|---|
| Maximum raw capacity | 208 TB 6 × 32 TB hard drives plus 2 × 8 TB NVMe, per the manufacturer |
| Processor | Intel Core i5-1235U (10 cores, 12 threads) |
| Memory | 8 GB, DDR5 SO-DIMM 4800 (2 slots) 64 GB per the manufacturer |
| M.2 NVMe | 2 slots 2 × M.2 NVMe; plus a PCIe x4 slot and 2 × Thunderbolt 4 |
| Network | 2 × 10GbE (link-aggregable to 20 Gbit/s) |
| Operating system | UGOS Pro |
| RAID types | Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
Keep calculating
To see how much capacity is left after parity, the DXP6800 Pro capacity calculator is preset to its 6 bays and RAID types. For the DXP6800 Pro, the wider basics of choosing a drive are in the buying guides, where we also explain why CMR rather than SMR is mandatory in any RAID array.
Frequently asked questions
What is the maximum storage in the DXP6800 Pro?
6 drives, up to 208 TB raw per the manufacturer. 6 × 32 TB hard drives plus 2 × 8 TB NVMe, per the manufacturer
How much of the DXP6800 Pro is actually usable?
In the DXP6800 Pro, 6 × 8 TB in RAID 5 yields about 36.38 TiB — that is 40 TB in drive-maker terms, with 8 TB to parity. It shows less than the label because it counts in powers of two.
Can I fit larger drives in the DXP6800 Pro later?
Yes, but on the DXP6800 Pro classic RAID sizes to the smallest drive, so the extra space arrives only once every drive is replaced. There is no flexible RAID like SHR on this model.
Can I put third-party drives in the DXP6800 Pro?
Yes. UGREEN locks no drive brand on the DXP6800 Pro — its compatibility list is guidance, not a gate — so any CMR NAS drive works.
Devin Chua works out which drives, RAM and NVMe cache fit which NAS model at nasdrives.ca, and what the RAID choice means for usable capacity, checked against what is in stock on Amazon.ca.
Data checked by Owen Nakamura, Technical editor (data checking)