QNAP TS-431+ - TS-451+ and TS-453 Pro CPU;Memory Details

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System
TS-451+-2G /
TS-451+-8G
TS-453 Pro /
TS-453 Pro-8G
TS-653 Pro /
TS-653 Pro-8G
CPU
Quad-core Intel
®
Celeron™ 2.0GHz
(up to 2.42GHz)
Quad-core Intel
®
Celeron™ 2.0GHz
(up to 2.42GHz)
Quad-core Intel
®
Celeron™ 2.0GHz
(up to 2.42GHz)
Memory
2GB / 8GB DDR3L
(Expandable RAM, up
to 8GB)
2GB / 8GB DDR3L
(Expandable RAM, up
to 8GB)
2GB / 8GB DDR3L
(Expandable RAM, up
to 8GB)
Flash
512MB
512MB
512MB
Memory
replaceable
✔ (Compatible with
DDR3L RAM)
✔ (Compatible with
DDR3L RAM)
✔ (Compatible with
DDR3L RAM)
Number of RAM
slots
2 (SODIMM)
2 (SODIMM)
2 (SODIMM)
Number of hard
drive slots
4
4
6
LCD panel
-
✔
✔
IR sensor
✔ (QNAP remote
control: RM-IR002)
✔ (QNAP remote
control: RM-IR002)
✔ (QNAP remote
control: RM-IR002)