Asustor · Flashstor
Asustor FS6812X
The Asustor FS6812X is a 12-bay all-flash desktop NAS built around the AMD Ryzen V3C14 processor. Installed memory is 16 GB DDR5 ECC SO-DIMM, expandable to 64 GB. Networking is 2 x 10GbE. It also has 12 x M.2 2280 NVMe for SSD cache or fast storage.
- Drive bays
- 12
- Processor
- AMD Ryzen V3C14
- Memory
- 16 GB DDR5 ECC SO-DIMM
- 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.
Asustor FS6812X specifications
| Processor | AMD Ryzen V3C14, 4-core, 2.3 GHz (burst 3.8 GHz) |
|---|---|
| Memory installed | 16 GB DDR5 ECC SO-DIMM (1 x 16 GB) |
| Maximum memory | 64 GB |
| Drive bays | 12 x M.2 2280 NVMe |
| M.2 slots | 12 x M.2 2280 NVMe |
| Network ports | 2 x 10GbE |
| USB ports | 3 x USB 3.2 Gen 2 Type-A, 2 x USB4 Type-C |
| Expansion slots | none |
| HDMI | none |
| Form factor | Desktop, slim |
| Size (H × W × D) | 48.3 x 308.26 x 193 mm |
| Weight | 1.45 kg |
| Power consumption | 32.2 W operation / 2.8 W sleep mode |
| Noise level | 18.6 dB |
| Power supply | 120 W |
| Warranty | 3 years |
Specifications from Asustor's published data, checked October 2026. See the FS6812X on Asustor's website. Confirm details before ordering.
Usable capacity by RAID level
How much space the FS6812X gives with typical drive sizes.
| RAID level | 12 × 1 TB | 12 × 2 TB | 12 × 4 TB | 12 × 8 TB |
|---|---|---|---|---|
| RAID 5 | 11 TB | 22 TB | 44 TB | 88 TB |
| RAID 6 | 10 TB | 20 TB | 40 TB | 80 TB |
| RAID 10 | 6 TB | 12 TB | 24 TB | 48 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 FS6812X
How much usable storage does the FS6812X give?
It depends on the drives and the RAID level. With 12 × 2 TB drives in RAID 5 you get about 22 TB before formatting. The capacity table on this page shows other combinations.
Can the memory in the FS6812X be upgraded?
Yes. It ships with 16 GB DDR5 ECC SO-DIMM and Asustor lists a maximum of 64 GB.
Does the FS6812X have 10GbE?
Yes. Its network ports are 2 x 10GbE.
What warranty does the FS6812X have?
Asustor lists a hardware warranty of 3 years for this model.
Do you supply the FS6812X 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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12-bay alternatives from other brands
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