QNAP TS-451 User Manual

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System TVS-473 TVS-673 TVS-873
CPU AMD R-Series RX-421BD 2.1 GHz APU, Turbo Core up to 3.4 GHz
Memory
8GB DDR4 (Expandable
RAM, up to 64GB)
16GB DDR4
(Expandable RAM, up to
64GB)
64GB DDR4
(Expandable RAM, up
to 64GB)
Flash 512MB
Memory
replaceable
✔ (Compatible with DDR4 RAM)
Number of
RAM slots
4 (SODIMM)
Number of
drive slots
4 x 3.5”/2.5” SATA
6Gb/s
6 x 3.5”/2.5” SATA
6Gb/s
8 x 3.5”/2.5” SATA
6Gb/s /s
PCI-E
expansion slot
2 x PCIe Gen3 (x4)
*One slot is pre-installed with a dual-port USB 3.1 PCIe card.
HDMI 2
LCD panel
✔
IR sensor
✔ (QNAP remote control: RM-IR004)
USB 3.1 2 x USB 3.1 Gen 2 Ports

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