| Storage drives installed | No |
| Number of storage drives supported | 8 |
| Installed storage drive type | No |
| Supported storage drive types | HDD & SSD |
| Storage drive interface | Serial ATA III |
| RAID support | Yes |
| Supported storage drive interfaces | M.2, Serial ATA II, Serial ATA III |
| Storage drive sizes supported | 2.5,3.5,M.2 |
| Number of system drives installed | 1 |
| System drive capacity | 5 GB |
| Number of M.2 (M & B) slots | 2 |
| RAID levels | 0, 1, 5, 6, 10, 50, 60, JBOD |
| Online RAID migration | Yes |
| Online RAID expansion | Yes |
| RAID rebuild | Yes |
| Hot-swap drive bays | Yes |
| Supported file systems | FAT32, HFS+, NTFS, exFAT, ext3, ext4 |
| Processor family | Ryzen Embedded |
| Processor manufacturer | AMD |
| Processor model | V1500B |
| Processor frequency | 2.2 GHz |
| Processor cores | 4 |
| Processor threads | 8 |
| Number of processors supported | 1 |
| Internal memory | 8 GB |
| Internal memory type | DDR4 |
| Maximum RAM supported | 64 GB |
| Memory slots | 2 |
| Memory form factor | SO-DIMM |
| ECC | Yes |
| Flash memory | 5000 MB |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 100,1000,2500 Mbit/s |
| DHCP server | Yes |
| Jumbo frames support | Yes |
| iSCSI support | Yes |
| Wake-on-LAN ready | Yes |
| Ethernet LAN (RJ-45) ports | 2 |
| USB port | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 3 |
| PCI Express x4 (Gen 3.x) slots | 2 |
| Concurrent connections | 2000 |
| Chassis type | Tower |
| Cooling type | Active |
| Product colour | Black |
| Number of fans | 3 fan(s) |
| Fan diameter | 12 cm |
| Fan diameter 2 | 6 cm |
| LED indicators | HDD, Power, SSD, Status, USB |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Type | NAS |
| Device class | Small & Medium Business |
| Backup function | Yes |
| Backup features | Cloud, iSCSI LUN |
| Buzzer | Yes |
| Multilingual support | Yes |
| Noise level | 23 dB |
| Access Control List (ACL) | Yes |
| Reset button | Yes |
| On/off switch | Yes |
| Built-in FTP server | Yes |
| S.M.A.R.T. support | Yes |
| Remotely operated | Yes |
| USB copy function | Yes |
| Operating system installed | QNAP Turbo System |
| Operating system version | 5.0.0 |
| Windows operating systems supported | Windows 10, Windows 7, Windows 8 |
| Linux operating systems supported | Yes |
| Mac operating systems supported | Mac OS X 10.10 Yosemite |
| Server operating systems supported | Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 |
| Power supply location | Built-in |
| Power supply unit (PSU) capacity | 250 W |
| Power consumption (typical) | 54.067 W |
| Power consumption (sleep) | 25.668 W |
| Power consumption (HDD standby) | 25.668 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Width | 329.3 mm |
| Depth | 280.8 mm |
| Height | 188.2 mm |
| Weight | 6.76 kg |
| Cables included | LAN (RJ-45) |
| Power cables quantity | 1 |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 5 - 95% |
| Storage temperature (T-T) | -20 - 70 °C |
| Harmonized System (HS) code | 84714100 |
| Description |
| QNAP TS-873A. Supported storage drive types: HDD & SSD, Storage drive interface: Serial ATA III, Supported storage drive interfaces: M.2, Serial ATA II, Serial ATA III. Processor family: Ryzen Embedded, Processor manufacturer: AMD, Processor model: V1500B. Internal memory: 8 GB, Internal memory type: DDR4, Maximum RAM supported: 64 GB. Ethernet LAN data rates: 100,1000,2500 Mbit/s. Chassis type: Tower, Cooling type: Active, Product colour: Black |
