QNAP TS-653A - TS-431 XU Series, TS-1231 XU Series Specifications

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System TS-431XU TS-431XU-RP TS-831XU TS-831XU-RP
CPU
Annapurna Labs Alpine AL-314 Quad-core 1.7GHz Cortex-A15
Memory
2GB DDR3
(Expandable RAM, up to 16GB)
4GB DDR3
(Expandable RAM, up to 16GB)
Flash
512MB
Memory
replaceable
✔ (Compatible with DDR3 RAM)
Number of
RAM slots
2 (SODIMM)
Number of
hard drive
slots
4 8
PCI-E
expansion
slot
1 x PCIe 2.0 x2
Built-in
10GbE LAN
ports
2 x SFP+
System TS-1231XU TS-1231XU-RP
CPU
Annapurna Labs Alpine AL-314 Quad-core
1.7GHz Cortex-A15
Memory
4GB DDR3
(Expandable RAM, up to 16GB)
Flash
512MB
Memory
replaceable
✔ (Compatible with DDR3 RAM)
Number of RAM
slots
2 (SODIMM)
Number of hard
drive slots
12
PCI-E expansion
slot
1 x PCIe 2.0 x2
Built-in 10GbE LAN
ports
2 x SFP+