UGREEN NASync DXP2800: capacity calculator
By Devin Chua · Data checked by Owen Nakamura · Updated In the UGREEN NASync DXP2800 with 2 × 8 TB in RAID 1 you keep 7.28 TiB usable (8 TB in drive-maker terms), surviving 1 drive failing. The calculator below is preset to the 2 bays and the RAID types UGOS Pro actually offers on this model (there is no SHR equivalent here), with the cost to fill in Canadian dollars from live Amazon.ca prices.
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Preset for the DXP2800: 2 bays, and only the RAID types this model actually supports.
RAID 1 (Mirroring)
That is 8 TB the way drive makers label capacity. Your NAS shows you the smaller number because it counts in powers of two.
Drives: from CA$1,008 for 2 × 8 TB (CA$63.01/TB overall)
What to know about the DXP2800
The entry to the NASync line: two bays, but a full x86 base with two NVMe slots. The N100 transcodes Plex in 4K, and because UGOS Pro has no SHR, the drive choice here is especially binding.
The DXP2800 at a glance
| Bays | 2 × 3.5-inch and 2.5-inch SATA |
|---|---|
| Maximum raw capacity | 80 TB 2 × 32 TB hard drives plus 2 × 8 TB NVMe, per the manufacturer |
| Processor | Intel N100 (4 cores) |
| Memory | 8 GB stock, DDR5 SO-DIMM (2 slots) 16 GB official. Memory vendors certify 32 GB modules for the platform; UGREEN does not endorse that. Anything above 32 GB is unrealistic on the N100. |
| M.2 NVMe | 2 slots 2 × M.2 NVMe, usable as cache or as their own storage pool |
| Network | 1 × 2.5GbE |
| RAID types | Basic, JBOD, RAID 0, RAID 1 |
| Third-party drives | unrestricted Open. UGREEN mandates no drive brand: “UGREEN NAS does not require branded drives.” The compatibility list is a recommendation, not a lock. UGREEN itself explicitly advises against SMR drives. |
No SHR: mixed drive sizes cost the DXP2800 capacity
UGOS Pro has no flexible RAID like Synology's SHR. Put one 16 TB drive with three 8 TB drives in the DXP2800 and it counts 8 TB per drive — eight terabytes sit idle. So buy matched drives for the DXP2800, or work the loss out in the calculator above before you commit to this model; the "unused" figure shows exactly how much you would lose.
Two bays means RAID 1 in practice on the DXP2800
With two drives there is no sensible alternative to RAID 1 on the DXP2800 (or SHR with two drives, which is arithmetically the same). You pay half your capacity for fault tolerance: 2 × 8 TB becomes 8 TB, not 16. RAID 5 needs at least three drives and is not available here. For more capacity per dollar without giving up safety, a four-bay model is the move.
Which drives belong in the DXP2800?
CMR NAS drives rated for 24/7 use — Seagate IronWolf, WD Red Plus, Toshiba N300 or their Pro variants. Our drive picks for the DXP2800 with live prices show which of those currently offers the best capacity per dollar. If you are working back from a target capacity instead, the drive-count calculator works out how many drives you need.
Frequently asked questions
How much storage is left in the DXP2800 with 2 × 8 TB?
About 7.28 TiB usable — 8 TB in drive-maker terms — computed in RAID 1, the sensible default for this model. It survives 1 drive failing. The gap from the 16 TB raw goes to parity.
Which RAID types does the DXP2800 support?
UGOS Pro offers Basic, JBOD, RAID 0, RAID 1 on the DXP2800. There is no flexible RAID like Synology's SHR here, so mixed drive sizes cost the DXP2800 real capacity — every drive counts only as much as the smallest in the array.
Can I put third-party drives in the DXP2800?
Open. UGREEN mandates no drive brand: “UGREEN NAS does not require branded drives.” The compatibility list is a recommendation, not a lock. UGREEN itself explicitly advises against SMR drives.
How much memory does the DXP2800 take?
It ships with 8 GB (DDR5 SO-DIMM (2 slots)). 16 GB official. Memory vendors certify 32 GB modules for the platform; UGREEN does not endorse that. Anything above 32 GB is unrealistic on the N100. There are 2 slots.
Why does my NAS show less than the calculator says?
Because the maker and the OS count differently. A drive maker calls one trillion bytes a TB; the NAS counts in powers of two and calls that a TiB — about 9 percent less. That is why this calculator leads with the TiB figure: it is the number you will read off the screen.
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)