QNAP · Business models
QNAP TBS-h574TX
The QNAP TBS-h574TX is a 5-bay all-flash desktop NAS built around the Intel Core i5-1235U processor. Installed memory is 16 GB. Networking is 1 x 2.5GbE, 1 x 10GBASE-T. It also has 5 x M.2 2280 NVMe via pre-installed adapters for SSD cache or fast storage.
- Drive bays
- 5
- Processor
- Intel Core i5-1235U
- Memory
- 16 GB
- Network
- 10GbE
Who it suits
All-flash storage suits work that needs fast response: virtual machines, databases and video editing. It costs more per terabyte than hard drives, so it is usually paired with a larger hard-drive NAS for backup and archive.
QNAP TBS-h574TX specifications
| Processor | Intel Core i5-1235U, 10-core (2P+8E), up to 4.4 GHz |
|---|---|
| Memory installed | 16 GB (not expandable) |
| Maximum memory | 16 GB |
| Drive bays | 5 x E1.S (PCIe Gen 3 x2) |
| M.2 slots | 5 x M.2 2280 NVMe via pre-installed adapters |
| Network ports | 1 x 2.5GbE, 1 x 10GBASE-T |
| USB ports | 2 x USB 3.2 Gen 2, 1 x USB 2.0, 2 x Thunderbolt 4 |
| Expansion slots | none |
| HDMI | 1 x HDMI 1.4b |
| Form factor | Desktop, slim |
| Size (H × W × D) | 60 x 215 x 199 mm |
| Weight | 2.24 kg |
| Power consumption | 46 W operation |
| Power supply | 120 W |
| Warranty | 3 years |
| Versions sold | TBS-h574TX-i5U-16G (16 GB) |
Specifications from QNAP's published data, checked October 2026. See the TBS-h574TX on QNAP's website. Confirm details before ordering.
Usable capacity by RAID level
How much space the TBS-h574TX gives with typical drive sizes.
| RAID level | 5 × 1 TB | 5 × 2 TB | 5 × 4 TB | 5 × 8 TB |
|---|---|---|---|---|
| RAID 5 | 4 TB | 8 TB | 16 TB | 32 TB |
| RAID 6 | 3 TB | 6 TB | 12 TB | 24 TB |
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 TBS-h574TX
How much usable storage does the TBS-h574TX give?
It depends on the drives and the RAID level. With 5 × 2 TB drives in RAID 5 you get about 8 TB before formatting. The capacity table on this page shows other combinations.
Can the memory in the TBS-h574TX be upgraded?
No. It ships with 16 GB, which is also the maximum QNAP lists for this model.
Does the TBS-h574TX have 10GbE?
Yes. Its network ports are 1 x 2.5GbE, 1 x 10GBASE-T.
What warranty does the TBS-h574TX have?
QNAP lists a hardware warranty of 3 years for this model.
Do you supply the TBS-h574TX 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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