| Storage drives installed | No |
| Number of storage drives supported | 4 |
| Installed storage drive type | No |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Supported storage drive interfaces | Serial ATA II, Serial ATA III |
| Storage drive sizes supported | 2.5,3.5" |
| RAID levels | 0, 1, 5, 6, 10, JBOD |
| Online RAID migration | Yes |
| Online RAID expansion | Yes |
| RAID rebuild | Yes |
| Hot-swap drive bays | Yes |
| Supported file systems | FAT32, HFS+, NTFS, ext3, ext4 |
| Bad block scan | Yes |
| Processor family | Annapurna Labs |
| Processor manufacturer | Annapurna Labs |
| Processor model | Alpine AL-314 |
| Processor frequency | 1.7 GHz |
| Processor cores | 4 |
| Internal memory | 4 GB |
| Internal memory type | DDR3 |
| Maximum RAM supported | 8 GB |
| Memory slots | 1 |
| Memory form factor | SO-DIMM |
| Flash memory | 512 MB |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 100,1000,2500,10000 Mbit/s |
| Ethernet LAN data rate supported (max) | 10000 Mbit/s |
| DHCP client | Yes |
| DHCP server | Yes |
| Jumbo frames support | Yes |
| iSCSI support | Yes |
| Wake-on-LAN ready | Yes |
| Supported network protocols | PPTP, L2TP/IPSec, OpenVPN, QBelt |
| Link aggregation | Yes |
| Load balancing system | Yes |
| Dynamic DNS (DDNS) | Yes |
| WLAN adapter supported | Yes |
| Ethernet LAN (RJ-45) ports | 2 |
| USB port | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 3 |
| Fiber ports quantity | 1 |
| Fiber optic connector | SFP+ |
| Chassis type | Tower |
| Cooling type | Active |
| Product colour | Black |
| Number of fans | 1 fan(s) |
| Fan diameter | 12 cm |
| Drive bay locking | Yes |
| LED indicators | HDD, LAN, Power, Status, USB |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Type | NAS |
| Device class | Small & Medium Business |
| Backup function | Yes |
| Backup features | Cloud, USB drive, iSCSI LUN |
| Buzzer | Yes |
| Multilingual support | Yes |
| Third-party support | Yes |
| Snapshot | Yes |
| Web-based management | Yes |
| Security algorithms | 256-bit AES, FIPS 140-2, HTTPS, SNMP, SSH |
| Access Control List (ACL) | Yes |
| Reset button | Yes |
| On/off switch | Yes |
| Built-in FTP server | Yes |
| Browser supported | Mozilla Firefox, Microsoft Edge, Google Chrome, Apple Safari |
| System log | Yes |
| Hot spare | Yes |
| S.M.A.R.T. support | Yes |
| Share folder | CIFS/SMB |
| Universal Plug and Play (UPnP) | Yes |
| USB copy function | Yes |
| Operating system installed | QNAP Turbo System |
| Operating system version | 4.4.2 |
| Windows operating systems supported | Windows 10, Windows 7, Windows 8 |
| Linux operating systems supported | Yes |
| Mac operating systems supported | Yes |
| Server operating systems supported | Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 |
| Power supply location | External |
| Power supply unit (PSU) capacity | 90 W |
| Number of power supply units | 1 |
| AC input voltage | 100 - 240 V |
| Fan voltage | 12 V |
| Width | 160 mm |
| Depth | 219 mm |
| Height | 169 mm |
| Weight | 2.01 kg |
| Package weight | 3.47 kg |
| External power adapter | Yes |
| Cables included | AC, LAN (RJ-45) |
| 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-431X3. Supported storage drive types: HDD & SSD, Supported storage drive interfaces: Serial ATA II, Serial ATA III, Storage drive sizes supported: 2.5,3.5". Processor family: Annapurna Labs, Processor manufacturer: Annapurna Labs, Processor model: Alpine AL-314. Internal memory: 4 GB, Internal memory type: DDR3, Maximum RAM supported: 8 GB. Ethernet LAN data rates: 100,1000,2500,10000 Mbit/s, Ethernet LAN data rate supported (max): 10000 Mbit/s, Supported network protocols: PPTP, L2TP/IPSec, OpenVPN, QBelt. Fiber optic connector: SFP+ |
