QNAP TS-251 User Manual

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recognized by the operating system, log into QTS as administrator and go to
“Control Panel” > “System Settings” > “System Status” > “Network Status” and
check for total number of network interfaces.
6.3 TVS-473, TVS-673, TVS-873
Note:
1. TVS-473 uses low-profile PCIe bracket.
3. TVS-673 and TVS-873 use full height PCIe bracket.
1. Turn off the NAS. Disconnect power cord(s), network cable(s), and any other cables
attached to the device.
2. Before opening the NAS, wear an antistatic wrist strap and connect the crocodile
clamp to ground to prevent electrostatic discharge from damaging equipment.
3. Loosen and remove the screws on the back of the NAS that are connecting the case
cover to the case.
4. Gently remove case cover from case.

QNAP TS-251 Specifications

General

Flash Memory	512MB
Drive Bays	2
Hot Swappable Drive	Yes
Power Supply	65W adapter, 100-240V
Form Factor	Tower
Memory	1GB DDR3L RAM (expandable up to 8GB)
Network	2 x Gigabit RJ-45 Ethernet port
USB Ports	2 x USB 3.0, 2 x USB 2.0
HDMI Output	1
Weight	1.28 kg
Operating System	QTS
Dimensions	168 x 102 x 225 mm (6.61 x 4.02 x 8.86 inches)