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QNAP TS-251B
First home/SOHO Intel dual-core NAS with a PCIe slot for extending NAS functionality

QNAP TS-251B

QNAP Products TS-251B
Small Business Storage
QNAP TS-251B ntel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz) with 4GB RAM (1 x 4GB)
#TS-251B-4G
List Price: $578.00
Our Price: Request a Quote
QNAP TS-251B Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz) with 2GB RAM (1 x 2GB)
#TS-251B-2G
List Price: $512.00
Our Price: Request a Quote

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Please Note: All Prices are Inclusive of GST

Overview:

The TS-251B combines secure data storage and multimedia entertainment into one device. Featuring a PCIe slot, the TS-251B is QNAP’s first home/SOHO NAS that allows you to flexibly extend its functionality and potential applications. You can install a QNAP QM2 card to provide M.2 SSD caching/10GbE connectivity and use with Qtier auto-tiering storage to enhance overall system performance; or install a wireless network card (such as the QNAP QWA-AC2600) to turn the TS-251B into a wireless access point and to wirelessly stream your multimedia throughout your home. The TS-251B supports dual-channel H.264 hardware decoding and transcoding, allowing you to enjoy watching NAS media files smoothly across various devices.

Intel® Celeron® J3355 dual-core processor and AES-NI hardware encryption

Powered by a 14nm Intel® Celeron® J3355 dual-core 2.0GHz processor (burst up to 2.5 GHz), 2GB/4GB DDR3L RAM (up to 8GB), a single Gigabit LAN port, and supporting SATA 6Gb/s hard drives, the TS-251B provides dependable performance of up to 672 MB/s read/write speeds. The TS-251B features Intel® AES-NI hardware-accelerated encryption for both full NAS volumes and shared folders, boosting system performance while ensuring the security of sensitive data stored in the TS-251B.

Extend NAS functionality with the PCIe slot

With a PCIe expansion slot, the TS-251B provides flexibility in extending NAS functionality and potential applications. Install a QNAP QM2 card to provide M.2 SSD caching/10GbE connectivity and use with Qtier tiered storage for optimal system performance; use the TS-251B as a wireless access point by installing a compatible wireless network card (such as the QNAP QWA-AC2600) to create a wireless media streaming environment; or boost the USB connectivity of the TS-251B by installing a USB 3.1 Gen 2 (10Gbps) card.

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A tailor-made private wireless network that meets your needs

By installing the QWA-AC2600 and WirelessAP Station app, your NAS will evolve into a high-performance wireless access point that can be connected to from multiple devices. The QWA-AC2600 can also be used to extend your wireless network coverage. Combined with useful features (including DHCP and NAT) provided by the Network and Virtual Switch app, the QWA-AC2600 can be used for a variety of applications, delivering private, fast, low-latency and secure connectivity across your home and/or workplace. (WirelessAP Station requires Container Station to be installed on your QNAP NAS.)

Upgrade your network to 10GbE with QNAP's fast and affordable 10GbE Switch

QNAP 10GbE/NBASE-T™ unmanaged switches allow you to instantly upgrade your network environment at a cost-effective price. With a 10GbE network you can enjoy blazing-fast transfer speeds, empower bandwidth-demanding tasks like virtualization, and enable simultaneous real-time access to large NAS-based files using multiple workstations (ideal for video editing and multimedia). QNAP also provides a 10GbE PCIe network expansion card for the TS-251B and Windows®/Linux® PCs to take advantage of high-speed LAN environments.

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Real-time 4K video transcoding

Featuring advanced Intel® HD Graphics, the TS-251B supports dual-channel 4K H.264 hardware decoding and real-time transcoding, allowing you to convert videos to universal file formats that can be smoothly played across various devices*. You can also watch high-quality 4K@30FPS media files on a HDTV using the HDMI output or use with Plex® Media Server to stream media files to mobiles devices and media streaming devices (including DLNA®, Roku®, Apple TV®, Amazon Fire TV® and Chromecast™). The QNAP RM-IR004 remote control (sold separately) can be configured using QButton to customize the actions of individual buttons, providing a more convenient NAS experience.

*The TS-251B’s hardware provides H.264 hardware decoding, encoding and transcoding capabilities. However, playback quality may vary due to factors including playback software, file formats, system usage, and available bandwidth.

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Multiple ways to enjoy your multimedia

QNAP provides a wide range of multimedia applications for you to easily enjoy photos, music, and videos.

Protect important data with snapshots

Snapshots help protect your data by fully recording the NAS system state and metadata. If files are accidentally deleted or modified or the system is afflicted by ransomware, you can use snapshots to quickly restore files to a previously-recorded state. QNAP snapshots are block-based and only record the changed data. Not only does this save storage space but also reduces the time required to back up and restore data. The TS-251B supports up to 1,024 snapshots per NAS and up to 256 snapshots per volume or LUN.

Consolidated notifications and extra NAS security

QTS 4.3.5 provides various mechanisms to ensure the data saved on your TS-251B is carefully safeguarded, including the brand-new Notification Center that consolidates system logs and notifications into a single app and the Security Counselor that checks for weaknesses and offers helpful security recommendations.

Automate everyday tasks with IFTTT Agent

QNAP IFTTT Agent integrates the popular web automation service IFTTT (If This Then That), allowing you to create a near-unlimited number of automated workflows. Simply connect your IFTTT account with your TS-251B and set triggers and actions. For example, if you set a trigger as “Any new photo on the phone” and the action as "Upload the photo to QNAP NAS," then all the photos taken using your phone will be automatically uploaded to TS-251B.

Multiply your productivity

The app-driven QTS operating system provides solutions for simplifying file backup, management, search, and more. With File Station you can view and manage your files from NAS and multiple storage devices; the OCR Converter allows you to extract text from images; Qfiling helps automate file organization, and Qsirch helps quickly find files.

NAS as a Multi-OS Platform

Virtualization Station and Container Station provide comprehensive solutions for creating virtualized environments to improve business IT infrastructure, workflows, and productivity.

Flexible and economical storage expansion

You need an easy solution to increase storage capacity when running out of space. QNAP provides several ways to expand your NAS storage as needed to accommodate data and business growth.

Features:

The PCIe port supports installing a 10GbE network card, a QM2 dual-port M.2 SSD/10GbE card, a USB 3.1 Gen 2 (10Gbps) card, or a wireless network card.

4K media playback and online transcoding; cross-device multimedia viewing via HDMI output or streaming applications.

Snapshots fully record the system status and data. If files are accidentally deleted or modified, you can quickly restore the previously-recorded data.

Hybrid Backup Sync consolidates backup and sync tasks into a single app, providing multiple layers of data protection.

Remotely access the apps and files on your TS-251B via myQNAPcloud and easily manage and share files.

Supports containerized applications and hosting virtual machines with various operating systems.

Specifications:

CPU Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz)
Architecture: 64-bit x86
Graphics Intel® HD Graphics 500
Encryption Acceleration (AES-NI)
System Memory 4 GB DDR3L (1 x 4 GB)
Maximum Memory 8 GB (2 x 4 GB)
Memory Slot 2 x SODIMM DDR3L up to 1866, with dual-channel support
Flash Memory 4GB eMMC
Drive Bay 2 x 3.5" SATA 6 Gbps HDD
Drive Compatibility • 3.5" SATA 6Gb/s HDD
• 2.5" SATA 6Gb/s HDD
• 2.5" SATA 6Gb/s SSD
SSD Cache Acceleration Support 3.5" drive bay:1 to 2
Gigabit Ethernet Port 1 x RJ45
USB Port 2 x USB 3.0, 3 x USB 2.0
USB One Touch Copy Front:USB 3.0 Type-A
PCIe Slot 1 PCIe 2.0 x2 slot
HDMI Output 1 x HDMI v1.4b (up to 3840 x 2160 resolution at 30 Hz)
IR sensor , supporting QNAP RM-IR004 remote control (optional purchase)
Audio 1 x speaker, 2 x MIC Input
1 x 3.5 mm line-out jack
Alarm buzzer
Note: You cannot use the speakers and the line-out jack simultaneously.
LED Indicators Status/power、LAN、USB、HDD 1 - 2
Buttons Power, Reset, USB One-touch-copy
System Warning Alarm buzzer and voice prompts
Form Factor Tower
Dimensions (H x W x D) 168 x 105 x 226 mm ( 6.61 x 4.13 x 8.90 inch)
Net Weight 1.53 kg (3.37 lbs)
Power Consumption (W) HDD standby:8.08 W
In operation:15.25 W
(with 2 x 1TB HDDs installed)
Sound Level Sound pressure (LpAm): 17.3 dB(A)
Power Supply Unit 65W AC adapter, 100-240V
Fan 1 x 7 cm
Operating Temperature & Relative Humidity 0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Other Interfaces Kensington security slot
CPU Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz)
Architecture: 64-bit x86
Graphics Intel® HD Graphics 500
Encryption Acceleration (AES-NI)
System Memory 2 GB DDR3L (1 x 2 GB)
Maximum Memory 8 GB (2 x 4 GB)
Memory Slot 2 x SODIMM DDR3L up to 1866, with dual-channel support
Flash Memory 4GB eMMC
Drive Bay 2 x 3.5" SATA 6 Gbps HDD
Drive Compatibility • 3.5" SATA 6Gb/s HDD
• 2.5" SATA 6Gb/s HDD
• 2.5" SATA 6Gb/s SSD
SSD Cache Acceleration Support 3.5" drive bay:1 to 2
Gigabit Ethernet Port 1 x RJ45
USB Port 2 x USB 3.0, 3 x USB 2.0
USB One Touch Copy Front:USB 3.0 Type-A
PCIe Slot 1 PCIe 2.0 x2 slot
HDMI Output 1 x HDMI v1.4b (up to 3840 x 2160 resolution at 30 Hz)
IR sensor , supporting QNAP RM-IR004 remote control (optional purchase)
Audio 1 x speaker, 2 x MIC Input
1 x 3.5 mm line-out jack
Alarm buzzer
Note: You cannot use the speakers and the line-out jack simultaneously.
LED Indicators Status/power、LAN、USB、HDD 1 - 2
Buttons Power, Reset, USB One-touch-copy
System Warning Alarm buzzer and voice prompts
Form Factor Tower
Dimensions (H x W x D) 168 x 105 x 226 mm ( 6.61 x 4.13 x 8.90 inch)
Net Weight 1.53 kg (3.37 lbs)
Power Consumption (W) HDD standby:8.08 W
In operation:15.25 W
(with 2 x 1TB HDDs installed)
Sound Level Sound pressure (LpAm): 17.3 dB(A)
Power Supply Unit 65W AC adapter, 100-240V
Fan 1 x 7 cm
Operating Temperature & Relative Humidity 0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Other Interfaces Kensington security slot

Documentation:

Datasheet for QNAP TS-251B is coming soon.

Pricing Notes:

QNAP Products TS-251B
Small Business Storage
QNAP TS-251B ntel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz) with 4GB RAM (1 x 4GB)
AnnapurnaLabs, an Amazon company Alpine AL-324 quad-core 1.7GHz processor, 4 GB RAM
#TS-251B-4G
List Price: $578.00
Our Price: Request a Quote
QNAP TS-251B Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz) with 2GB RAM (1 x 2GB)
AnnapurnaLabs, an Amazon company Alpine AL-324 quad-core 1.7GHz processor, 2 GB RAM
#TS-251B-2G
List Price: $512.00
Our Price: Request a Quote