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
Summary of Contents for TS-231+
Page 1: ...QNAP Turbo NAS Hardware User Manual 2017 QNAP Systems Inc All Rights Reserved...
Page 18: ...18...
Page 21: ...21...
Page 23: ...23...
Page 95: ...95...
Page 98: ...98 6 Close the front panel and fasten the screws...
Page 102: ...102 the hard drive to reduce the risk of electric shock...