QNAP TS-451A-4G User Manual
TS-251A & TS-451A
Free
Remote Control
2-bay & 4-bay Turbo NAS
TS-251A & TS-451A 2-bay & 4-bay Turbo NAS
Use your Turbo NAS as a PC
QmailAgent email client helps you manage,
access and backup multiple email accounts
USB QuickAccess Port
Directly set up your NAS and access your NAS data by
connecting your Windows® or Mac computer to the USB QuickAccess port
Hardware-accelerated HDMI 4K Ultra HD playback and transcoding
AES-NI hardware-accelerated encryption to deliver up to 196 MB/s throughput
QTS-Ubuntu dual systems enables users to enjoy rich apps from QTS App Center & Linux
Block-level snapshot helps you easily backup and restore data
QNAP VJBOD (Virtual JBOD) allows you to expand the storage of the
NAS by using unused storage from other QNAP NAS units
Build a personal karaoke system with OceanKTV by 3.5 mm microphone jack
3 x USB 3.0
2GB / 4GB
Max 8GB RAM
SATA 6Gb/s
2.5"/3.5"
QNAP
expansion units
Virtualization
Station
Container
station
14nm Intel® Celeron®
N3060 dual-core 1.6GHz
(burst up to 2.48GHz)
TS-451A TS-251A
I
TS-251A & TS-451A 2-bay & 4-bay Turbo NAS
USB QuickAccess/NAS/ iSCSI-SAN triple solution
NAS
The TS-251A & TS-451A innovatively re-defines what NAS
can do byproviding a USB QuickAccess/NAS/iSCSI SAN triple
solution. It discards the restriction of conventional USB
QuickAccess that only allows connecting to one device, and
breaks the cost barrier for a dual Gigabit Ethernet solution.
Direct access to les with the USB QuickAccess port
1 2
The TS-251A & TS-451A features an innovative USB 3.0 QuickAccess port
that allows you to complete the rst-time installation and setup of your
TS-251A & TS-451A without requiring network connectivity. The les and
data stored on the TS-251A & TS-451A can also be directly accessed by
The TS-251A & TS-451A features Ethernet networking
for exible and simultaneous le sharing across multiple
devices, using SMB/CIFS, NFS and AFP protocols for
sharing across Windows, Mac and Linux/UNIX networks.
using Qnder Pro* and a USB 3.0 A-Male to Micro B-Male cable or a USB
2.0 Micro B cable**. Furthermore, you can assign access rights to users for
dierent folders to prevent unauthorized access to important les.
* Qnder Pro only supports Windows and Mac OS X
** A USB cable is not included. USB QuickAccess supports Windows 8.1/10 and Mac
versions may require driver installation,
OS X 10.8 (and newer). Other
USB
QuickAccess
iSCSI
SAN
Ethernet NAS mode
Ethernet IP
TS-251A
接電腦
接NAS
USB 3.0
SMB / CIFS / NFS / FTP / HTTP
Enjoy the best audiovisual experience with HDMI output and a free remote control
HybridDesk Station integrates 3rd-party
media players and a web browser. With HDMI
connectivity, you can connect the TS-251A
& TS-451A to a HDTV or an A/V receiver to
enjoy your rich multimedia content and 4K
H.264 videos. The NAS includes a free QNAP
remote control for you to conveniently
control HybridDesk Station through its builtin IR receiver. With the help of the new smart
remote control learning function, you can
also pair up to three TV or stereo IR remote
controls.
Ethernet IP
TS-251A / 451A
Playback capability and quality may vary due to factors including the
original le formats/quality, hardware and software limitations, system
load and the output devices.
1
TS-251A & TS-451A 2-bay & 4-bay Turbo NAS
Intel® Celeron® N3060 quad-core CPU and hardware-accelerated encryption engine
The TS-251A & TS-451A is powered by an advanced
14nm Intel® Celeron® quad-core 1.6GHz processor
that features low TDP (only 6 watts) and can
automatically burst up to 2.48GHz. Coupled with
dual-channel 2GB / 4GB DDR3L-1600 dual-channel
RAM (upgradable to 8GB), dual Gigabit LAN ports,
and SATA 6Gb/s, the TS-251A & TS-451A can deliver
up to 220MB/ s throughput for optimizing mission-
MB/s
critical tasks while still being energy efficient. The
TS-251A & TS-451A also features Intel® AES-NI
hardwareaccelerated encryption to deliver up to
196MB/s throughput with AES 256-bit encryption for
both full NAS volume and shared folders, boosting
system performance & security while ensuring the
safety of sensitive business data stored in the NAS.
iSCSI SAN block-based mode
3
The TS-251A & TS-451A supports iSCSI SAN. After creating an iSCSI
target on the TS-251A & TS-451A, you can access the iSCSI with
your computer* using the NAS IP.
Throughput (2x GbE)
250
200
150
100
50
Tested in QNAP Labs. Figures may vary by environment.
Test Environment:
NAS: TS-451A, QTS 4.2.2
Volume type: RAID 5; 4 x Seagate 1TB ST1000NM0033 HDDs: NAS and PCs are connected.
Client PCs: Intel® Core™ i7-4770 3.40GHz CPU; DDR3L 1600Hz 16GB; 10GbE NIC: QNAP LAN-10G2SF-MLX ; Windows® 10
197.66
0
Read Write Read Write
220.77
AES-256 Volume Encryption
Throughput (2x GbE)
250
200
150
MB/s
100
50
147.84
0
196.29
Ethernet switch Ethernet IP
iSCSI SAN
TS-251A / 451A
Enjoy media freely with multi-zone multimedia controls Superior 4K video transcoding
Use your NAS as a multi-zone multimedia system
to fill every corner of your house with your
choice of media. You can centrally manage and
stream photos, music and videos from the NAS
to different rooms from a single device using
Bluetooth® & USB devices connected to the NAS
(for music streaming only), HDMI, DLNA®, Apple
TV® and Chromecast™*. Alternatively, to enjoy
multimedia yourself, you can choose DLNAcompatible devices, use the Qfile app on an
iOS® device to browse videos/photos and play
on the TV via Apple TV®, or transform the NAS
into a powerful streaming machine with DLNA®,
Roku®, Amazon® Fire TV, Google TV™ and Plex
Media Server support.
* To stream multimedia via Chromecast, you must rst install the multimedia
extension pack from the QTS App Center.
Featuring advanced 8th-generation Intel®
HD Graphics, the TS-251A & TS-451A
supports 4K H.264 hardware decoding
and delivers superior real-time 4K and
1080p video transcoding to convert
videos to universal formats that can be
smoothly played on PCs, mobile devices
and Smart TVs. With offline transcoding,
even when you can
only connect using
a low-speed Internet
connection, you can
still enjoy smooth
video playback.
4K 2K
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