Specification Sheet

TS-1685 Specifications
Ordering P/N
TS-1685-D1521-16G
TS-1685-D1521-32G
TS-1685-D1521-32G-550W
TS-1685-D1531-32G
TS-1685-D1531-64G
TS-1685-D1531-64GR
TS-1685-D1531-128GR
TS-1685-D1531-64GR-550W
TS-1685-D1531-128GR-550W
CPU
TS-1685-D1521-16G/TS-1685-D1521-32G/TS-1685-D1521-32G-550W:
Intel® Xeon® Processor D-1521, 4-core 2.4 GHz
TS-1685-D1531-32G/TS-1685-D1531-64G/TS-1685-D1531-64GR/TS-
1685-D1531-128GR/TS-1685-D1531-64GR-550W/TS-1685-D1531-
128GR-550W:
Intel® Xeon® Processor D-1531, 6-core 2.2 GHz
System Memory
Total DIMM slots: 4
Maximum memory: DDR4 128GB (with DDR4 32GB RDIMM x 4)
Memory modules pre-installed:
TS-1685-D1521-16G: 16GB non-ECC RAM (8GB UDIMM x 2)
TS-1685-D1521-32G: 32GB non-ECC RAM (16GB UDIMM x 2)
TS-1685-D1521-32G-550W: 32GB non-ECC RAM (16GB UDIMM x 2)
TS-1685-D1531-32G: 32GB non-ECC RAM (16GB UDIMM x 2)
TS-1685-D1531-64G: 64GB non-ECC RAM (16GB UDIMM x 4)
TS-1685-D1531-64GR: 64GB ECC RAM (16GB RDIMM x 4)
TS-1685-D1531-128GR: 128GB ECC RAM (32GB RDIMM x 4)
TS-1685-D1531-64GR-550W: 64GB ECC RAM (16GB RDIMM x 4)
TS-1685-D1531-128GR-550W: 128GB ECC RAM (32GB RDIMM x 4)
Flash Memory
512 MB DOM
Hard Drive Tray
12 x 2.5"/3.5" HDD/SSD slot
4 x 2.5" SSD slot
Supported Hard
Drive
SATA 6Gb/s HDD and SSD
M.2 Slot
6 x M.2 2242/2260/2280/22110 SATA 6Gb/s SSD
Note:
1. The M.2 SSD is not included as standard.
2. M.2 SSD operations can easily generate excessive heat. It is recommended to install a
heatsink (from QNAP or a third-party provider) on the M.2 SSD.
LAN Port
2 x 10GBASE-T ports, 4 x Gigabit ports
USB
Front: 1 x USB 3.0 port; Rear: 2 x USB 3.0 port
Audio Output
1 x built-in speaker, 1 x 3.5mm Line-out jack
Note: Only one of the above audio output ports can work at a time. If a speaker is
connected, the sound will output through the speaker.