QNAP TS-879U-RP - TS-451+ Variants Specifications; TS-453 Pro Variants Specifications; TS-653 Pro Variants Specifications

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control: RM-IR002) control: RM-IR002)
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)