QNAP TS-451 User Manual

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LED Color LED Status Description
LAN Orange
Orange
The disk data is being accessed from the
network and a read/write error occurs during
the process.
Flashes
orange
The NAS is being accessed from the network.
10GbE
2
Green
Green
The 10GbE network expansion card is
installed.
Off No 10GbE network expansion card is installed.
HDD
Red/
Green
Flashes red
The disk data is being accessed and a
read/write error occurs during the process.
Red A hard disk drive read/write error occurs.
Flashes green The disk data is being accessed.
Green The hard disk drive can be accessed.
USB Blue
Flashes blue
every 0.5 sec
1. A USB device (connected to the front USB
port) is being detected.
2. A USB device (connected to the front USB
port) is being removed from the NAS.
3. The USB device (connected to the front
USB port of the NAS) is being accessed.
4. The data is being copied to or from the
external USB or eSATA device.
Blue
A front USB device is detected (after the
device is mounted).
Off
1. No USB device is detected.
2.
The NAS has finished copying the data to
or from the USB device connected to the
front USB port.
eSATA
3
Orange
Flashes The eSATA device is being accessed.
Off No eSATA device can be detected.
2
The 10 GbE network expansion function is only supported on certain NAS models. Refer to the
product specification table for details at www.qnap.com.
3
This feature is only available on certain NAS models. Please refer to the product specification table
for details at www.qnap.com.

QNAP TS-451 Specifications

General

RAID levels	1, 5, 6, 10, JBOD
Storage drive size	2.5/3.5 \
Storage drive capacity	3000 GB
Supported file systems	ext3, ext4, FAT32, HFS+, NTFS
Storage drive interface	Serial ATA III
Storage drives installed	Yes
Installed storage drive type	HDD
Supported storage drive types	HDD & SSD
Total installed storage capacity	12 TB
Maximum supported storage capacity	- TB
Number of storage drives installed	4
Processor cores	2
Processor model	-
Processor family	Intel® Celeron®
Processor frequency	2.41 GHz
Flash memory	512 MB
Internal memory	1 GB
Internal memory type	DDR3L
Maximum RAM supported	8 GB
Wi-Fi	No
Ethernet LAN data rates	1000 Mbit/s
Supported network protocols	CIFS/SMB, AFP(v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Fiber ports quantity	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Chassis type	Tower
Cooling type	Active
Fan diameter	120 mm
Product color	White
LED indicators	HDD, LAN, Status, USB
Number of fans	1 fan(s)
Cable lock slot type	Kensington
Type	NAS
Device class	Home & Home Office
Backup features	Cloud, iSCSI LUN
Number of users	4096 user(s)
Security algorithms	256-bit AES, FIPS 140-2, HTTPS, SSH
Operating system version	4.1
Operating system installed	QNAP Turbo System
AC input voltage	100-240 V
Power supply location	External
Power supply unit (PSU) capacity	90 W
Cables included	AC, LAN (RJ-45)
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	5 - 95 %

Weight and Dimensions

Depth	235 mm
Width	180 mm
Height	177 mm
Weight	3000 g
Package weight	4300 g