Instructions

21
System
TS-251+-2G / TS-251+-8G
TS-253 Pro /
TS-253 Pro-8G
CPU
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)
Flash
512MB
512MB
Memory
replaceable
✔ (Compatible with
DDR3L-1333/1600 RAM)
✔ (Compatible with
DDR3L-1333/1600 RAM)
Number of
RAM slots
2(SODIMM)
2(SODIMM)
Number of
hard drive
slots
2
2
IR sensor
✔ (QNAP remote control:
RM-IR002)
✔ (QNAP remote control:
RM-IR002)