QNAP TL-D800S 8-Bay SATA JBOD Storage Enclosure - Expand Storage

In this review the QNAP TL-D800S is evaluated as a dedicated expansion enclosure for users who need straightforward, high-capacity storage without complex RAID management. The TL-D800S is best for owners of QNAP NAS systems, Windows servers, or Ubuntu machines who want a simple way to add eight 3.5-in drives as a separate pool; the single biggest reason to buy is its practical combination of an 8-bay SATA 6Gb/s chassis and an included QXP-800eS-A1164 PCIe card for direct host connection.

Key Features

• Eight 3.5-in drive bays: Supports up to eight SATA 6Gb/s drives so you can add several terabytes of raw capacity in a compact desktop enclosure.
• Included PCIe SATA card: The QXP-800eS-A1164 card is supplied for a simple host connection using SFF-8088 cabling, eliminating the need to buy a separate adapter.
• High transfer interface: SATA 6Gb/s support delivers reliable read/write performance for large file transfers and backups from NAS or servers.
• Desktop form factor with PSU: Built-in 250W power supply keeps the unit self-contained and suitable for office or rack-adjacent placement.
• Dual external ports: Two SFF-8088 ports and supplied SFF-8644 to SFF-8088 cables give flexible cabling options for connecting to compatible hosts.
• Works with QNAP QTS / QTS Hero: Designed to be a separate storage pool for QNAP systems so it integrates with QNAP management tools for backups and expansion.

Who It's For

The TL-D800S is aimed at small businesses, home lab enthusiasts, and IT pros who need a straightforward JBOD expansion to back up or extend storage for a QNAP NAS, Windows server, or Ubuntu workstation. It is especially useful when a dedicated, inexpensive way to offload or archive large data sets is required without changing existing NAS pools.

Those who should look elsewhere include users who need hardware RAID, a unified storage pool merged into an existing NAS volume, or a quieter, ultra-compact solution - the TL-D800S is explicitly a separate storage pool device and is not designed to combine with existing volumes.

Pros & Cons

Pros

• Easy installation and setup when paired with the included PCIe card, so drives can be recognized quickly.
• Solid build and a full 8-bay capacity make it a cost-effective way to add many drives in one chassis.
• Direct SFF-8088 connectivity provides stable host links for large backup and transfer tasks.

Cons

• Compatibility reports are mixed; some users find it does not behave identically on all systems, so check host support first.
• Fan speed and cable length received mixed feedback, which may affect placement or noise-sensitive environments.

Specifications

Drive bays	8 x 3.5-in SATA 6Gb/s (diskless)
Included host card	QXP-800eS-A1164 PCIe SATA card
External ports	2 x SFF-8088 (includes 2 x SFF-8644 to SFF-8088 cables)
Power	250W Power Supply Unit
Supported OS	QNAP QTS / QTS Hero, Windows, Ubuntu
Use mode	JBOD - separate storage pool or volume only

Our Verdict

The QNAP TL-D800S is a practical, no-frills 8-bay JBOD enclosure that delivers raw capacity and straightforward connectivity for QNAP NAS owners and server users who need a separate expansion pool. It represents good value when an included PCIe card and reliable SATA 6Gb/s throughput are priorities, but buyers should confirm host compatibility and consider noise and cable routing before purchase.

Frequently Asked Questions

Can the TL-D800S be merged into my existing NAS volume?
It cannot be combined with an existing storage pool or volume; it must be used as a separate storage pool or volume on supported QNAP systems.

What cabling and card are included?
The package includes a QXP-800eS-A1164 PCIe SATA card and two Mini SAS cables (SFF-8644 to SFF-8088) for host connection.

Which systems are supported?
The enclosure is intended for use with QNAP QTS / QTS Hero and can also connect to Windows and Ubuntu computers and servers, though compatibility may vary by host.