QNAP TS-879U-RP - TS-531 P, TS-531 X, and TS-831 X Specifications; TS-1635 and HS-210 Specifications

16
System TS-531P TS-531X TS-831X
CPU
Quad-
core Annapurna
Labs Alpine AL-314
1.4GHz Cortex-A15
Quad-core A
nnapurna
Labs Alpine AL-314
1.4GHz Cortex-A15
Quad-core A
nnapurna
Labs Alpine AL-314
1.4GHz Cortex-A15
Memory
2GB/8GB DDR3
(Expandable RAM, up
to 16GB)
2GB/8GB DDR3
(Expandable RAM, up
to 16GB)
8GB/16GB DDR3
(Expandable RAM, up
to 16GB)
Flash
512MB 512MB 512MB
Memory
replaceable
✔ (Compatible with
DDR3 RAM)
✔ (Compatible with
DDR3 RAM)
✔ (Compatible with
DDR3 RAM)
Number of RAM
slots
2 (SODIMM) 2 (SODIMM) 2 (SODIMM)
Number of hard
drive slots
5 5 8
PCI-E expansion
slot
1 1 1
Built-in 10GbE LAN
ports
- 2 x SFP+ 2 x SFP+
System TS-1635 HS-210
CPU
Quad-
core Annapurna
Labs Alpine AL-514
1.7GHz Cortex-A15
Marvell 1.6GHz
Memory
8GB/16GB DDR3
(Expandable RAM, up
to 16GB)
512MB DDR3
Flash
512MB
16MB
Memory
replaceable
✔ (Compatible with
DDR3 RAM)
-
Number of RAM
slots
2 (SODIMM)
-
Number of hard
drive slots
16 2
PCI-E expansion
slot
1