QNAP TS-879U-RP - TS-853 Pro Variants Specifications; TS-453 S Pro Specifications; TS-853 S Pro Specifications

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System
TS-853 Pro /
TS-853 Pro-8G
TS-453S Pro
(Formerly the
SS-453 Pro)
TS-853S
Pro(Formerly the
SS-853 Pro)
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)
4GB DDR3L
(Expandable RAM, up
to 8GB)
4GB 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
8 4 (2.5” only) 8 (2.5” only)
LCD panel ✔
-
✔
IR sensor
✔ (QNAP remote
control: RM-IR002)
✔ (QNAP remote
control: RM-IR002)
✔ (QNAP remote
control: RM-IR002)