QNAP TS-431+ - HS-251+ and TS-251+ CPU;Memory Details

18
System
HS-251+
HS-251 /
HS-251-2G
CPU
Quad-core Intel
®
Celeron™ 2.0GHz
(up to 2.42GHz)
Dual-core Intel
®
Celeron™ 2.41GHz
(up to 2.58GHz)
Memory
2GB DDR3L
1GB / 2GB DDR3L
Flash
512MB
512MB
CPU replaceable
-
-
Memory
replaceable
-
-
Number of RAM
slots
-
-
Number of hard
drive slots
2
2
IR sensor
✔ (QNAP remote
control: RM-IR002)
✔ (QNAP remote
control: RM-IR002)
System
TS-251+-2G /
TS-251+-8G
TS-253 Pro /
TS-253 Pro-8G
TS-453mini-2G /
TS-453mini-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-1333/1600
RAM)
✔ (Compatible with
DDR3L-1333/1600
RAM)
✔ (Compatible with
DDR3L-1333/1600
RAM)
Number of RAM
slots
2(SODIMM)
2(SODIMM)
2 (SODIMM)
Number of hard
drive slots
2
2
4
LCD panel
-
-
-
IR sensor
✔ (QNAP remote
control: RM-IR002)
✔ (QNAP remote
control: RM-IR002)
✔ (QNAP remote
control: RM-IR002)