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QNAP

QNAP FBA_TS-251 2-Bay NAS Enclosure

USB 3.0USB 2.0

A compact 2-bay NAS with Intel power, dual Gigabit ports, and HDMI output for home and small office storage.

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Overview

The QNAP TS-251 is a two-bay network attached storage enclosure built around an Intel Celeron 2.41GHz processor and 1GB of DDR3L RAM, upgradable to 8GB. It accepts both 2.5-inch and 3.5-inch SATA drives at 6Gb/s speeds and connects to your network through dual Gigabit Ethernet ports, which can be configured for link aggregation or failover. Two USB 3.0 and two USB 2.0 ports provide connectivity for external drives, printers, or UPS devices, while the HDMI output allows direct media playback on a connected display.

Running QNAP's QTS 4.1 operating system, the TS-251 offers a full suite of storage, backup, and multimedia features accessible through a web browser. It supports RAID 0 and RAID 1 configurations, real-time and offline media transcoding, and a library of installable apps for everything from surveillance station duties to Docker containers. For home users and small offices looking to centralize file storage, automate backups, and run a personal cloud, the TS-251 delivers a flexible platform in a compact desktop form factor.

Key Features

2 x 2.5?/3.5? SSD/HDD SATA 6Gb/s, Intel Celeron 2.41GHz, 1GB DDR3L RAM, 512MB DOM Flash, 2 x Gigabit RJ-45, 2 x USB 3.0, 2 x USB 2.0, 1 x HDMI, QTS 4.1 (embedded Linux)

Specifications

Brand
QNAP
Model
FBA_TS-251
Processor
Intel Celeron 2.41GHz
Memory
1GB DDR3L RAM (Expandable to 8GB)
Drive Bays
2 x 2.5"/3.5" SATA 6Gb/s HDD/SSD
Ethernet
2 x Gigabit RJ-45
USB Ports
2 x USB 3.0, 2 x USB 2.0
Video Output
1 x HDMI
Operating System
QTS 4.1 (Embedded Linux)

Frequently Asked Questions

The TS-251 has two drive bays that each accept 2.5" or 3.5" SATA drives, so total capacity depends on the size of the drives you install.
Yes, the unit ships with 1GB DDR3L RAM and can be expanded up to 8GB.
The HDMI output lets you connect the TS-251 directly to a TV or monitor for media playback or to access the QTS interface locally.
Yes, with its two bays you can configure RAID 0 for performance, RAID 1 for mirroring, or run each drive independently (JBOD).
It runs QNAP's QTS 4.1, an embedded Linux-based OS that provides a web-based management interface and app ecosystem.

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