QNAP TS-873U-4G User Manual

Hardware Specification
TS-873U-4G
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 4GB DDR4 (1 x 4GB)
Maximum Memory 64GB (4 x 16GB)
Memory Slot 4 x UDIMM DDR4
identical DDR4 modules.)
Flash Memory 512MB DOM
Drive Bay 8 x 3.5"/2.5" SATA 6Gb/s HDDs/SSDs
M.2 SSD Slot 2 x M.2 2280 SATA 6Gb/s SSDs
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.
10 Gigabit Ethernet Port 2 x 10GbE SFP+ port via a preinstalled PCIe network card
Gbe 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 Indicators Status/Power,LAN,USB, Drive 1 - 8
Buttons Power/Status, Reset
Maintenance Port 1 x 3.5mm console port
Form Factor 2U Rackmunt
Dimensions (H x W x D) 89 x 482 x 534 mm
3.5 x 18.98 x 21.02 inch
Weight Net weight: 9.85 kg (21.72 lbs.)
Operating Temperature & Relative
0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb:
Humidity
27˚C
Power Supply Unit 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.