Asustor · Nimbustor
Asustor AS5304T
The Asustor AS5304T is a 4-bay desktop NAS built around the Intel Celeron J4105 processor. Installed memory is 4 GB, expandable to 8 GB. Networking is 2 x 2.5GbE. With expansion units it grows to 16 drive bays.
- Drive bays
- 4
- Processor
- Intel Celeron J4105
- Memory
- 4 GB
- Network
- 2.5GbE
Who it suits
A 4-bay unit suits a small office that wants RAID protection with room to grow. Four drives in RAID 5 give three drives of usable space and survive one drive failure.
Asustor AS5304T specifications
| Processor | Intel Celeron J4105, 4-core, 2.0 GHz (burst 2.7 GHz) |
|---|---|
| Memory installed | 4 GB (1 x 4 GB) |
| Maximum memory | 8 GB (2 x 4 GB) |
| Drive bays | 4 x 3.5" SATA HDD or 2.5" SATA HDD/SSD |
| Maximum bays with expansion | 16 |
| Network ports | 2 x 2.5GbE |
| USB ports | 3 x USB 3.2 Gen 1 |
| Expansion slots | none |
| HDMI | 1 x HDMI 2.0a |
| Form factor | Desktop |
| Size (H × W × D) | 170 x 174 x 230 mm |
| Weight | 2.2 kg |
| Power consumption | 27 W operation / 12.6 W disk hibernation |
| Noise level | 19.7 dB |
| Power supply | 90 W |
| Warranty | 3 years |
Specifications from Asustor's published data, checked October 2026. See the AS5304T on Asustor's website. Confirm details before ordering.
Usable capacity by RAID level
How much space the AS5304T gives with typical drive sizes.
| RAID level | 4 × 4 TB | 4 × 8 TB | 4 × 12 TB | 4 × 16 TB | 4 × 20 TB |
|---|---|---|---|---|---|
| RAID 5 | 12 TB | 24 TB | 36 TB | 48 TB | 60 TB |
| RAID 6 | 8 TB | 16 TB | 24 TB | 32 TB | 40 TB |
| RAID 10 | 8 TB | 16 TB | 24 TB | 32 TB | 40 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 AS5304T
How much usable storage does the AS5304T give?
It depends on the drives and the RAID level. With 4 × 8 TB drives in RAID 5 you get about 24 TB before formatting. The capacity table on this page shows other combinations.
Can the AS5304T be expanded?
Yes. With Asustor expansion units it supports up to 16 drive bays in total.
Can the memory in the AS5304T be upgraded?
Yes. It ships with 4 GB and Asustor lists a maximum of 8 GB.
Does the AS5304T have 10GbE?
No. Its network ports are 2 x 2.5GbE.
What warranty does the AS5304T have?
Asustor lists a hardware warranty of 3 years for this model.
Do you supply the AS5304T 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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