QNAP · Business models
QNAP TS-1655
The QNAP TS-1655 is a 16-bay desktop NAS built around the Intel Atom C5125 processor. Installed memory is 8 GB DDR4 UDIMM, expandable to 128 GB. Networking is 2 x 2.5GbE. It also has 2 x M.2 2280 PCIe Gen 3 x2 for SSD cache or fast storage.
- Drive bays
- 16
- Processor
- Intel Atom C5125
- Memory
- 8 GB DDR4 UDIMM
- Network
- 2.5GbE
Who it suits
With this many bays the unit is used as central storage for a department, a media team or company-wide backup.
QNAP TS-1655 specifications
| Processor | Intel Atom C5125, 8-core, 2.8 GHz |
|---|---|
| Memory installed | 8 GB DDR4 UDIMM (non-ECC) |
| Maximum memory | 128 GB (4 x 32 GB) |
| Drive bays | 12 x 3.5" SATA + 4 x 2.5" SATA |
| M.2 slots | 2 x M.2 2280 PCIe Gen 3 x2 |
| Network ports | 2 x 2.5GbE |
| USB ports | 4 x USB 3.2 Gen 1 |
| Expansion slots | 3 x PCIe Gen 3 x4 |
| HDMI | none |
| Form factor | Desktop |
| Size (H × W × D) | 294.29 x 369.89 x 319.8 mm |
| Weight | 14.24 kg |
| Power consumption | 104.65 W operation / 68.004 W disk standby |
| Power supply | 550 W |
| Warranty | 3 years |
| Versions sold | TS-1655-8G (8 GB) |
Specifications from QNAP's published data, checked October 2026. See the TS-1655 on QNAP's website. Confirm details before ordering.
Usable capacity by RAID level
How much space the TS-1655 gives with typical drive sizes.
| RAID level | 12 × 4 TB | 12 × 8 TB | 12 × 12 TB | 12 × 16 TB | 12 × 20 TB |
|---|---|---|---|---|---|
| RAID 5 | 44 TB | 88 TB | 132 TB | 176 TB | 220 TB |
| RAID 6 | 40 TB | 80 TB | 120 TB | 160 TB | 200 TB |
| RAID 10 | 24 TB | 48 TB | 72 TB | 96 TB | 120 TB |
These figures count only the 3.5-inch bays. Space is shown before formatting; expect about 10% less in use. Larger systems are often split into more than one RAID group.
What we do with it
- Storage
NAS supply and installation
A right-sized Synology, QNAP or Asustor unit with the drives, RAID level and network setup your office needs.
- Backup
Automatic backup setup
Scheduled backups of PCs, servers and shared folders to the NAS, with an off-site copy, so nobody has to remember to do it.
- Versions
Ransomware protection for NAS
Point-in-time snapshots and protected copies that let you roll a folder back to how it was before an attack or a mistake.
- Move
Data migration
We move your files, users and permissions from old servers, external drives or an ageing NAS.
Questions about the TS-1655
How much usable storage does the TS-1655 give?
It depends on the drives and the RAID level. With 12 × 8 TB drives in RAID 5 you get about 88 TB before formatting. The capacity table on this page shows other combinations.
Can the memory in the TS-1655 be upgraded?
Yes. It ships with 8 GB DDR4 UDIMM and QNAP lists a maximum of 128 GB.
Does the TS-1655 have 10GbE?
Not built in. Its ports are 2 x 2.5GbE. It has an expansion slot, which can take a faster network card where QNAP lists one for this model.
What warranty does the TS-1655 have?
QNAP lists a hardware warranty of 3 years for this model.
Do you supply the TS-1655 with drives and installation?
Yes. We supply it with compatible drives fitted, configured and tested, and can install it at your office. Ask for a quote on this page.
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