Brand: QNAP · SKU: TS-421U · MPN: TS-421U · Category: Components

QNAP TS-421U is a 1U rackmount NAS powered by a Marvell processor with 1GB DDR3 memory and 12TB HDD storage, designed for business file and backup needs.
| Type | NAS |
|---|---|
| Depth | 483 mm |
| Wi-Fi | No |
| Width | 439 mm |
| Buzzer | Yes |
| Height | 44 mm |
| L2 cache | 1 MB |
| DHCP client | Yes |
| DHCP server | Yes |
| RAID levels | 0, 1, 5, 6, 10, JBOD |
| Chassis type | Rack (1U) |
| Cooling type | Active |
| Device class | Small & Medium Business |
| Ethernet LAN | Yes |
| Fan diameter | 4 cm |
| Flash memory | 16 MB |
| RAID support | Yes |
| Reset button | Yes |
| On/off switch | Yes |
| iSCSI support | Yes |
| LED indicators | Yes |
| Number of fans | 2 fan(s) |
| Product colour | Black |
| Backup features | Cloud, iSCSI LUN |
| Warranty | 3-Year Warranty |
| Dimensions | 439 mm x 483 mm x 44 mm |
The QNAP TS-421U is a compact 1U rackmount NAS designed for business storage, file sharing, backup, and centralized data management. Powered by a Marvell processor and equipped with 1GB DDR3 memory, this NAS provides a dedicated storage platform for offices and small to medium business environments. This configuration includes 12TB of HDD storage, providing substantial capacity for centralized files, backups, archives, and other business data. The rackmount design allows the TS-421U to be integrated into standard server racks, making efficient use of data center and server-room space.
Yes, this QNAP TS-421U NAS Rack (1U) Marvell 1 GB DDR3 12 TB HDD QNAP Turbo System Black (TS-421U) is 100% genuine QNAP hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This QNAP TS-421U NAS Rack (1U) Marvell 1 GB DDR3 12 TB HDD QNAP Turbo System Black includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the TS-421U.