QNAP TS-873AU-4G 8 Bay NAS

CPU

AMD Ryzen™ Embedded V1500B 4-core/8-thread 2.2 GHz processor

CPU Architecture

64-bit x86

Floating Point Unit

Encryption Engine

 (AES-NI)

Hardware-accelerated Transcoding

Optional via a PCIe graphics card

System Memory

4 GB UDIMM DDR4 (1 x 4 GB)

Maximum Memory

64 GB (2 x 32 GB)

Memory Slot

2 x UDIMM DDR4
Support ECC memory

For dual-DIMM configuration, you must use a pair of identical DDR4 modules.

Flash Memory

5GB (Dual boot OS protection)

Drive Bay

8 x 3.5-inch SATA 6Gb/s, 3Gb/s

The system is shipped without HDD.
For the HDD compatibility list, please visit https://www.qnap.com/compatibility/

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 Slot

Optional via a QNAP QM2 PCIe card

SSD Cache Acceleration Support

GPU pass-through

2.5 Gigabit Ethernet Port (2.5G/1G/100M)

2 (2.5G/1G/100M/10M)

5 Gigabit Ethernet Port (5G/2.5G/1G/100M)

Optional via a network adapter

10 Gigabit Ethernet Port

Optional via a network adapter

Wake on LAN (WOL)

Only the 2.5GbE port

Jumbo Frame

PCIe Slot

2 x PCIe Gen3 x4
(Units manufacturered before 2021/01/09 are 1 x PCIe Gen3 x8 slot and can be upgraded to 2 x PCIe Gen3 x4 slots with the purchase of a BRKT-RISER-2P-2U adapter)

With a riser card (two PCIe slots):
slot 1:160 x 68.9x 18.76 mm / 6.3 x 2.71 x 0.74 inches.
slot 2:160 x 68.9x 39.08 mm / 6.3 x 2.71 x 1.54 inches.
Wider cards can be installed if the next PCIe slot will not be used.
Without a riser card (one PCIe slot):
Slot 1:160 x 68.9x 39.08 mm / 6.3 x 2.71 x 1.54 inches.

USB 3.2 Gen 1 port

1 x Type-A

USB 3.2 Gen 2 (10Gbps) Port

2 x Type-C
1 x Type-A

HDMI Output

Optional via a PCIe graphics card

Form Factor

2U Rackmount

LED Indicators

HDD 1-8, Status, LAN, USB, Power

Buttons

Power, Reset

Dimensions (HxWxD)

89 × 482 × 425 mm

Excludes ear hook and the protruding part of the Power Supply Unit.

Weight (Net)

8.04 kg

Weight (Gross)

12.76 kg

Operating Temperature

0 - 40 °C (32°F - 104°F)

Storage Temperature

-20 - 70°C (-4°F - 158°F)

Relative Humidity

5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)

Power Supply Unit

250W PSU, 100 - 240V

Power Consumption: HDD Sleep Mode

28.98 W

Power Consumption: Operating Mode, Typical

55.01 W

Tested fully populated with WD10EFRX hard drives.

Fan

2 x 80mm, 12VDC

System Warning

Buzzer