Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The QNAP TL-R400S-US is a 4-bay, 1U rackmount SATA JBOD storage expansion enclosure designed to extend the raw storage capacity of a compatible host system. JBOD (Just a Bunch of Disks) configuration passes drives directly to the host controller without onboard RAID processing, giving storage administrators full control over volume management at the host level. The 1U rack form factor keeps the footprint compact in standard 19-inch equipment racks. Installation and configuration are handled by network storage technicians and IT infrastructure professionals working in data center or server room environments.
This enclosure is suited for rackmounted environments where direct-attached storage expansion is needed without adding a full NAS unit. It connects to a compatible host via SATA interface, allowing additional drive bays to be presented directly to the host system. Typical deployments include small to mid-sized server rooms, edge computing installations, and network-attached storage build-outs where incremental capacity scaling is required. The 1U chassis integrates cleanly into existing rack infrastructure.
Designed as a SATA JBOD expansion enclosure for use with compatible rackmount host systems that support direct-attached SATA expansion. Consult QNAP compatibility documentation to confirm supported host devices and connection requirements before installation.
Installation should be performed by a qualified IT technician or network storage professional familiar with rackmount hardware and direct-attached storage configurations. Power down the host system and all connected storage devices before making or removing any SATA or power connections. Secure the enclosure in the rack using the appropriate rack-mount hardware before connecting cables. Follow the manufacturer installation guide for proper cable management and host-side configuration steps.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!