| Brand | QNAP |
| EAN | 4713213510452 |
| ASIN | B01NAJNS6C |
| Model | TS-831X-4G |
| MPN | TS-831X-4G |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 110-240 V |
| Backup features | Cloud,USB drive,iSCSI LUN |
| Backup function | Yes |
| Browser supported | Microsoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google Chrome |
| Built-in FTP server | Yes |
| Built-in iTunes server | Yes |
| Built-in UPnP AV media server | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Cables included | AC,LAN (RJ-45) |
| Chassis type | Tower |
| Cooling type | Active |
| Depth | 235 mm |
| Device class | Small & Medium Business |
| DHCP Client | Yes |
| DHCP server | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Fan diameter | 12 cm |
| Fiber optic connector | SFP+ |
| Fiber ports quantity | 2 |
| Flash memory | 512 MB |
| Height | 185.2 mm |
| Hot-swap drive bays | Yes |
| Installed storage drive type | No |
| Internal memory | 4 GB |
| Internal memory type | DDR3 |
| iSCSI support | Yes |
| Jumbo frames support | Yes |
| LED indicators | Yes |
| Linux operating systems supported | Yes |
| Mac operating systems supported | Yes |
| Management protocols | SNMP |
| Maximum RAM supported | 16 GB |
| Multilingual support | Yes |
| Noise level | 20.6 dB |
| Number of power supply units | 1 |
| Number of storage drives supported | 8 |
| On/off switch | Yes |
| Operating system installed | QNAP Turbo System |
| Operating system version | 4.2 |
| Power management | Yes |
| Power supply location | Built-in |
| Processor architecture | ARM Cortex-A15 |
| Processor family | Annapurna Labs |
| Processor frequency | 1.4 GHz |
| Processor model | Alpine AL-314 |
| Quick installation guide | Yes |
| RAID levels | 0,1,5,6,10,JBOD |
| RAID support | Yes |
| Reset button | Yes |
| S.M.A.R.T. support | Yes |
| Security algorithms | 128-bit AES,256-bit AES,FIPS 140-2,HTTPS,MSCHAPv2,SSH,SSL/TLS |
| Server operating systems supported | Windows Server 2003,Windows Server 2008,Windows Server 2012,Windows Server 2012 R2 |
| Storage drive sizes supported | 2.5,3.5" |
| Storage drives installed | No |
| Supported file systems | FAT32,HFS+,NTFS,ext3,ext4 |
| Supported network protocols | CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC |
| Supported storage drive interfaces | Serial ATA,Serial ATA II,Serial ATA III |
| Supported storage drive types | HDD,SSD |
| System log | Yes |
| Type | NAS |
| USB port | Yes |
| Wake-on-LAN ready | Yes |
| Web-based management | Yes |
| Wi-Fi | No |
| Width | 298.2 mm |
| Windows operating systems supported | Yes |