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

14
System
HS-210
CPU
Marvell 1.6GHz
Memory
512MB DDR3
Flash
16MB
Memory
replaceable
-
Number of RAM
slots
-
Number of hard
drive slots
2
System
TS-451U
TS-453U
TS-453U-RP
CPU
Dual-core Intel
®
Celeron™ 2.41GHz
(up to 2.58GHz)
Quad-core Intel
®
Celeron™ 2.0GHz
(up to 2.42GHz)
Quad-core Intel
®
Celeron™ 2.0GHz
(up to 2.42GHz)
Memory
1GB DDR3L
(Expandable RAM, up
to 8GB)
4GB/8GB DDR3L
(Expandable RAM, up
to 8GB)
4GB/8GB DDR3L
(Expandable RAM, up
to 8GB)
Flash
512MB (USB DOM)
512MB (USB DOM)
512MB (USB DOM)
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
4
Power supply unit
250W
250W
2 x 250W