QNAP TS-451 User Manual

31
Chapter 5. Upgrade Memory on QNAP Turbo NAS (RAM Module
Installation)
Warning:
 The following instructions should only be performed by an authorized and trained
technician.
 Strictly adhere to the instructions to install a RAM module on the NAS. Failure to do so
could result in injury to human body or death.
 Before starting, please ensure that you turn off the NAS, disconnect the power
adaptor, network cable(s), and also remove any other device/cable that is attached to
the NAS.
 Please ensure that you wear an antistatic wrist strap during the entire process to
prevent electrostatic discharge. The crocodile clip should be connected to the ground.
QNAP provides different RAM modules (optional purchase) for users to upgrade the
memory of Turbo NAS. Follow the steps below to install an extra memory module on the
NAS to upgrade the memory.
Follow the steps below to install a RAM module on the NAS.
5.1 TS-453mini (4-bay)
1. Use a flathead screwdriver to loosen the screw on the memory module compartment
at the bottom of the NAS and lift the compartment cover away.

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