Overview:
Supporting up to twelve 3.5" HDDs and four 2.5" SSDs, the TS-1685 is a high-capacity, robust, and reliable business NAS powered by an Intel® Xeon® D processor. Designed to optimize enterprise IT infrastructure, the TS-1685 comes with three PCIe slots that support 10GbE/40GbE NIC, PCIe NVMe SSD, graphics cards, and USB 3.1 expansion cards. Incorporating security and scalability, the TS-1685 presents an ideal choice for a complete business-ready storage solution with cross-platform file sharing, comprehensive backup and disaster recovery, iSCSI & virtualization, and more business applications.
Package Content
- QNAP TS-1685 Enterprise Storage
- 4 x Ethernet Cables
- 2 x 10GBASE-T Ethernet Cables
- 1 x Power Cord
- Flat Head Screws (for M.2 SSD)
- Flat Head Screws (for 2.5" HDD)
- 6 x M.2 SSD cooling module
- Quick Installation Guide (QIG)
- NAS and iSCSI-SAN unified storage solution
- Built-in M.2 SATA 6Gb/s slots & 2.5” SSD slots
- Qtier technology and SSD caching enable 24/7 optimized storage efficiency
- 10GbE/40GbE-ready, highly-efficient storage solution for virtualization and intensive data transmission
- Supports virtualization, containerized apps, centralized storage, backup, sharing, and disaster recovery
- Q’center for centrally managing all of your NAS devices, and QRM+ as a centralized management solution for networked computing devices
- Qfiling enabling automated file organization, Qsirch full-text search engine, and QmailAgent for centralized email management
- Scalable up to 56 drive capacity with QNAP expansion enclosures

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. |
| LED Indicators |
System status, 2.5” SSD, M.2 SSD, 3.5” HDD |
| Buttons |
System: Power button, Reset button, USB one-touch-backup button |
| Form Factor |
Desktop |
| Dimension (HxWxD) |
303.84 x 369.89 x 319.8 mm
11.96 x 14.56 x 12.59 inch |
| Weight |
Net weight (NAS only): 13.39 kg/ 29.52 lb
Gross weight (with packing and accessories): 15.96 kg/ 35.19 lb |
| Sound Level (dB)* |
Sound Level (dB) Sound pressure (LpAm) (bystander position): 22.5 dB
(with 12 x Seagate ST2000VN000 hard drive and 4 x SSD installed) |
| Power Consumption (W) |
Sleep mode: 61.36 W
In Operation: 127 W |
| Temperature |
0-40˚C |
| Relative Humidity |
5~95% non-condensing, wet bulb: 27˚C. |
| Power Supply |
TS-1685-D1521-16G/TS-1685-D1521-32G/TS-1685-D1531-32G/TS-1685-D1531-64G/TS-1685-D1531-64GR/TS-1685-D1531-128GR:
100-240V~, 3-1.5A, 60-50Hz, 250W PSU
TS-1685-D1521-32G-550W/TS-1685-D1531-64GR-550W/TS-1685-D1531-128GR-550W:
100-240V~, 3-1.5A, 60-50Hz, 550W PSU |
| PCIe Slot |
Number: 3
Slot 1: PCIe Gen.3 x8
Slot 2: PCIe Gen.2 x4
Slot 3: PCIe Gen.3 x8 |
| Fan |
System: 3 x 9.2cm fan (12V DC)
CPU: 2 x 9cm fan |
* Testing Environment:
Refer to ISO 7779 ; Maximum HDD loaded ; Bystander Position ; Average data from 1 meter in front of operating NAS