QNAP TS-1685-D1521-32G-US - *Discontinued* - 12 (+4) Bay High-Capacity 10GbE iSCSI NAS, Intel Xeon D1521 4-core 2.4GHz, 32GB RAM
by QNAP

Supporting up to twelve 3.5" HDDs and four 2.5" SSDs, the TS-1685-D1521-32G-US 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 3.2 Gen 2 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.

CPU	Intel® Xeon® D-1521 quad-core 2.4 GHz processor, Max turbo to 2.7 GHz.
CPU Architecture	64-bit x86
Floating Point Unit
Encryption Engine	(AES-NI)
System Memory	32 GB UDIMM DDR4 (2 x 16GB)
Maximum Memory	UDIMM: 64 GB (4 x 16 GB) RDIMM: 128GB (4 x 32 GB)
Memory Slot	4 x Long-DIMM DDR4 IMPORTANT: You can only use one type of dual in-line memory module (DIMM) at a time. Do not use registered DIMM (RDIMM) with unbuffer DIMM (UDIMM) memory.
Flash Memory	512MB (DOM for dual OS)
Drive Bay	12 x 3.5-inch + 4 x 2.5-inch SATA 6Gb/s, 3Gb/s
Drive Compatibility	3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives
Hot-swappable
M.2 SSD Slot	6 x M.2 22110/2280/2260/2242 SATA 6Gb/s slot The M.2 SSD is not included as standard. 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.
SSD Cache Acceleration Support
Gigabit Ethernet Port (RJ45)	4
10 Gigabit Ethernet Port	2 x 10GBASE-T
Jumbo Frame
PCIe Slot	3 Slot 1: PCIe Gen 3 x8 Slot 2: PCIe Gen 2 x4 Slot 3: PCIe Gen 3 x8
USB 3.2 Gen 1 port	3
Audio Output	1 x built-in speaker, 1 x 3.5mm line out jack (for amplifiers or speakers) 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.
Form Factor	Tower
LED Indicators	System status, 2.5” SSD, M.2 SSD, 3.5” HDD
LCD Display/ Button
Buttons	Power, Reset, USB Auto Copy
Dimensions (HxWxD)	303.84 × 369.89 × 319.8 mm
Weight (Net)	13.39 kg
Weight (Gross)	15.96 kg
Operating temperature	0 - 40 °C (32°F - 104°F)
Relative Humidity	5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Power Supply Unit	Input: 100-240V~, 3-1.5A, 60-50Hz; Output: 250W
Power Consumption: HDD Sleep Mode	61.36 W
Power Consumption: Operating Mode, Typical	127 W
Fan	System fan: 3 x 92mm, 12VDC CPU fan: 2 x 90mm
Sound Level	22.5 db(A)
System Warning	Buzzer
Kensington Security Slot
Max. Number of Concurrent Connections (CIFS)	1500

Note: Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications. Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting.
* Sound Level Test Environment: Refer to ISO 7779; Maximum HDD loaded; Bystander Position; Average data from 1 meter in front of operating NAS.
Designs and specifications are subject to change without notice.

TS-1685-D1521-32G-US.pdf

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