QNAP TS-453E Repair Manual

Phillips screwdriver
A screwdriver with a cross-shaped (+) point
positioning holes
Holes in a circuit board for stabilization on a surface before attaching screws. The holes t onto
specic positioning pins on the attachment surface.
positioning pins
Pins on a surface for stabilizing a circuit board before attaching screws. The pins align with specic
positioning holes on the circuit board.
power supply cage
An enclosure for hot-swappable power supply units
power supply unit
A component that converts alternating high voltage current (AC) into direct current (DC) for an
electrical device
riser card
A small circuit board that serves as an extension to the system board for installing expansion cards
and modules
self-tapping screw
A screw that can create its own threads as it is driven into the material. QNAP sometimes uses
self-tapping screws for certain components such as fans.
system board
The main circuit board in a device where important system modules (such as the CPU) are located
| NAS Repair Manual
Glossary 174

QNAP TS-453E Specifications

General

GPU	Intel UHD Graphics
Flash Memory	4 GB (Dual boot OS protection)
Drive Bays	4 x 3.5-inch SATA 6Gb/s, 3Gb/s
Hot-swappable	Yes
M.2 SSD Slot	2 x M.2 2280 PCIe Gen3 x1
SSD Cache Acceleration Support	Yes
Network Interface	2 x 2.5GbE RJ45
Form Factor	Tower
LED Indicators	Status, LAN, USB, HDD 1-4
Kensington Security Slot	Yes
Operating System	QTS 5.0
Processor	Intel Celeron J6412
CPU Architecture	64-bit x86
Memory	8 GB DDR4 (4 GB x 2)
Memory Slot	2 x SO-DIMM
Drive Compatibility	3.5-inch SATA hard disk drives, 2.5-inch SATA solid state drives
Maximum Internal Raw Capacity	64 TB (16 TB drive x 4)
Buttons	Power, Reset
Power Supply Unit	100-240V
Fan	1 x 120mm
Operating Temperature	0°C to 40°C (32°F to 104°F)
Operating Humidity	5% to 95% RH