Call a Specialist Today! 844-356-5139
Free Shipping! On Any Order over $150

QNAP TS-873U
High-performance quad-core NAS with dual 10GbE SFP+ ports

Sorry, this product is no longer available, Please contact us for a replacement.

Click here to jump to accessories pricing!

Overview:

Powered by a high-performance AMD R-Series quad-core processor with up to 64GB DDR4 RAM, the TS-873U features dual 10GbE SFP+ ports and provides two M.2 SATA 6Gb/s SSD slots that allows the greatest flexibility in tiered storage configuration and enables cache acceleration. This powerful hardware can also double the encrypted file transfer performance with AES-NI encryption acceleration. The TS-873U is designed for small and medium-sized businesses looking for private cloud, cross-platform file sharing and collaboration, efficient backup/restoration, storage for virtualization, and to future-proof their IT infrastructure for 10GbE networks with maximized ROI.

Package Content

  • TS-873U SAN/NAS Storage System
  • 2 x Ethernet Cables
  • 1 x Power Cord
  • 32 x Flat Head Screws (for 3.5" HDD)
  • 24 x Flat Head Screws (for 2.5" HDD)
  • M.2 SSD Installation Kit
  • Quick Installation Guide (QIG)
  • 2 x M.2 SSD Heatsink



  • NAS and iSCSI-SAN unified storage solution
  • Built-in 10GbE SFP+ ports, highly-efficient storage solution for virtualization and on-the-fly media editing & sharing
  • Supports virtualization, containerized apps, centralized storage, backup, sharing, and disaster recovery
  • Secure access with VPN Server & VPN Client
  • Qfiling enables automatic file organization, Qsirch provides full-text file searching, and QmailAgent simplifies managing multiple email accounts
  • The new QVR Pro allows dedicated storage space for surveillance data in the NAS, and leverages the advantages of storage manageability from QTS
  • Expandable storage capacity by using QNAP expansion enclosures or VJBOD (Virtual JBOD)

Specifications:


Ordering Information TS-873U-64G TS-873U-16G TS-873U-8G
CPU AMD R-Series RX-421ND quad-core 2.1 GHz processor, turbo core up to 3.4 GHz
Hardware Encryption Engine Yes, AES-NI
System Memory 64GB DDR4 (4 x 16GB) 16GB DDR4 (2 x 8GB) 8GB DDR4 (2 x 4GB)
Maximum Memory 64GB (4 x 16GB)
Memory Slot 4 x UDIMM DDR4
(For dual- or quad-DIMM configurations, you must use a pair of identical DDR4 modules.)
Flash Memory 512MB DOM
Drive 8 x 3.5"/2.5" SATA 6Gb/s HDDs/SSDs
M.2 SSD Slot 2 x M.2 2280 SATA 6Gb/s SSDs
10Gigabit LAN Port 2 x 10GbE SFP+ port via a preinstalled PCIe network card
Gigabit LAN Port 4 x Gigabit RJ45 LAN ports
PCIe Slot 1 x PCIe Gen 3 (x4), pre-installed with a dual-port 10GbE SFP+ LAN card
USB Port 2 x USB 3.0 port
4 x USB 2.0 port
LED Indicator Status/Power,LAN,USB, Drive 1 - 8
Button Power/Status, Reset
Maintenance Port 1 x 3.5mm console port
Form Factor 2U Rackmunt
Dimension (H x W X D) 89 x 482 x 534 mm
3.5 x 18.98 x 21.02 inch
Net Weight 9.86 kg (21.74 lbs.) 9.83 kg (21.67 lbs.) 9.83 kg (21.67 lbs.)
Operating temperature & Relative Humidity 0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb: 27˚C
Power Suply 250W, 100-240V AC, 50/60 Hz
Fan 2 x 70mm, 12V DC
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.

Documentation:

Download the QNAP TS-x73U Series Datasheet (PDF).

Pricing Notes:

QNAP Products
TS-873U Accessories
Dual M.2 22110/2280 PCIe SSD expansion card (PCIe Gen2 x4)
Low-profile bracket pre-loaded, Low-profile flat and Full-height are bundled
*shorter version to support TVS-x82/TS-x77 PCIe slot 2 & slot 3
#QM2-2P-244A
Our Price: $123.00
Dual M.2 22110/2280 SATA SSD expansion card (PCIe Gen2 x2)
Low-profile bracket pre-loaded, Low-profile flat and Full-height are bundled
*shorter version to support TVS-x82/TS-x77 PCIe slot 2 & slot 3
#QM2-2S-220A
Our Price: $79.00
Quad M.2 PCIe SSD expansion card; supports up to four M.2 2280 formfactor M.2 PCIe (Gen3 x4) SSDs; PCIe Gen3 x8 host interface; Low-profile bracket pre-loaded, Low-profile flat and Full-height are bundled
#QM2-4P-384
Our Price: $169.00
Single-port (10Gbase-T) 10GbE network expansion card, PCIe Gen3 x4, Low-profile bracket pre-loaded, Low-profile flat and Full-height bracksts are bundled
All NAS models with a PCIe slot.
#QXG-10G1T
Our Price: $139.00
16G Fibre Channel Host Bus Adapter, 2 x transceivers are included
#QXP-16G2FC
Our Price: $999.00
32G Fibre Channel Host Bus Adapter, 2 x transceivers are included
#QXP-32G2FC
Our Price: $1,499.00
Mellanox MFM1T02A-SR 10GbE Transceiver
For use with SFP+ 10GbE (except x85U and 16489U)
#TRX-10GSFP-SR-MLX
Our Price: $129.00
QNAP 16GB DDR4 RAM, 2400 MHz, UDIMM
TS-873U/873U-RP, TS-1273U/1273U-RP, TS-1673U/1673U-RP, TS-x32XU series
#RAM-16GDR4A0-UD-2400
Our Price: $260.00
QNAP 4GB DDR4 RAM, 2400 MHz, UDIMM
TS-873U/873U-RP, TS-1273U/1273U-RP, TS-1673U/1673U-RP, TS-x32XU, TS-1635AX
#RAM-4GDR4A0-UD-2400
Our Price: $100.00
QNAP 8GB DDR4 RAM, 2400 MHz, UDIMM
TS-873U/873U-RP, TS-1273U/1273U-RP, TS-1673U/1673U-RP, TS-x32XU, TS-1635AX
#RAM-8GDR4A0-UD-2400
Our Price: $180.00
QNAP Rail Kit for 2U Rackmount Models
QGD-1600P, TL-R1200C-RP, TL-R1200S-RP, TL-R1220Sep-RP, TL-R1620Sep-RP, TL-R400S, TR-004U, TS-1231XU(-RP), TS-1232PXU-RP, TS-1232XU(-RP), TS-1232BU(-RP), TS-1253DU-RP, TS-1253U(-RP), TS-1263U(-RP), TS-1263XU(-RP), TS-1273AU-RP, TS-1273U(-RP), TS-1277XU-RP, TS-1283XU-RP, TS-1673AU-RP, TS-1886XU-RP, TS-h1886XU-RP, TS-431U, TS-431XU(-RP), TS-431XeU, TS-432PXU-RP, TS-432XU(-RP), TS-451DeU, TS-453BU(-RP), TS-453DU(-RP), TS-463U(-RP), TS-463XU(-RP), TS-831XU(-RP), TS-832PXU(-RP), TS-832XU(-RP), TS-853B
#RAIL-B02
Our Price: $99.00