QNAP TS-453U User Manual

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5. Turn on the NAS.
Note: To replace a failed power supply unit, turn off the NAS. Then remove the failed unit
safely and repeat steps 3-5 above to install a new power supply unit.
10.2 2U/3U Turbo NAS (TS-853U-RP, TS-1253U-RP only)
Note: The following instructions should only be performed by an authorized and trained
technician.
To replace a failed power supply unit, follow the steps below.
1. Turn off the NAS.
2. Hold the black handler and press and hold the green button firmly.
3. Unplug the failed power supply.

QNAP TS-453U Specifications

General

RAID levels	1, 5, 6, 10
RAID support	Yes
Storage drive size	2.5/3.5 \
Storage drive capacity	0 GB
Supported file systems	ext3, ext4, FAT32, HFS+, NTFS
Storage drive interface	Serial ATA III
Storage drives installed	No
Supported storage drive types	HDD & SSD
Total installed storage capacity	0 TB
Number of storage drives installed	0
Number of storage drives supported	4
Processor model	-
Processor family	Intel® Celeron®
Processor frequency	2 GHz
Flash memory	512 MB
Memory slots	2
Internal memory	4 GB
Internal memory type	DDR3L
Maximum RAM supported	8 GB
Ethernet LAN data rates	10, 100, 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
USB 2.0 ports quantity	1
Chassis type	Rack (1U)
Cooling type	Active
Fan diameter	40 mm
Product color	Black
Type	NAS
Device class	Small & Medium Business
Backup features	Cloud, iSCSI LUN
Security algorithms	256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
Operating system version	4.1
Operating system installed	QNAP Turbo System
Fan voltage	12 V
AC input voltage	100-240 V
AC input frequency	50 - 60 Hz
Power supply location	Built-in
Power consumption (sleep)	23.54 W
Power consumption (typical)	39.86 W
Power supply unit (PSU) capacity	250 W
Cables included	AC, LAN (RJ-45)

Weight and Dimensions

Depth	499 mm
Width	439 mm
Height	44 mm