QNAP TS-653A - TS-451 U Series, TS-853 U Series Specifications

17
Built-in 10GbE LAN
ports
2 x SFP+
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
System TS-853U TS-853U-RP
CPU
Quad-core
Intel
®
Celeron™
2.0GHz (up to
2.42GHz)
Quad-core
Intel
®
Celeron™
2.0GHz (up to
2.42GHz)
Memory
4GB/8GB DDR3L
(Expandable RAM, up
to 8GB)
4GB/8GB DDR3L
(Expandable RAM, up
to 8GB)
Flash 512MB (USB DOM) 512MB (USB DOM)
Memory
replaceable
✔ (Compatible with
DDR3L RAM)
✔ (Compatible with
DDR3L RAM)
Number of RAM
slots
2 (SODIMM) 2 (SODIMM)
Number of hard
drive slots
8 8
Power supply unit 250W 2 x 250W