The powerful TS-431XU-RP includes 10GbE SFP+ ports to fully support 10GbE high-speed networks with maximized ROI. The TS-431XU-RP provides versatile all-in-one functionalities and unique features including VJBOD - an economical way to utilize unused NAS storage space for expanding the storage capacity of other QNAP NAS.
Specifications
General 
Device Type: NAS server

Host Connectivity: Gigabit Ethernet / 10 Gigabit Ethernet

Enclosure Type: Rack-mountable - 1U

Total Storage Capacity: 0 GB

Installed Devices / Modules Qty: 4 (max)

Width: 17.3 in

Depth: 19.6 in

Height: 1.7 in

Weight: 20.28 lbs

Built-in Devices: LED panel

Localization: United States
Processor / Memory 
Processors Installed: 1 x Annapurna Labs Cortex-A15 1.7 GHz

Number of Cores: Quad-Core

Max Supported Qty: 1

RAM: 2 GB (installed) / 16 GB (supported) - DDR3

Flash Memory Installed: 512 MB
Storage Controller 
Type: RAID

Interface Type: SATA 6Gb/s

RAID Level: RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD, RAID 5 hot spare
Networking 
Data Link Protocol: 10Mb LAN, 100Mb LAN, GigE, 10 GigE

Network / Transport Protocol: TCP/IP, PPTP, iSCSI, SMTP, FTP, DHCP, Bonjour, SMB, DDNS

Remote Management Protocol: SNMP 2, Telnet, SNMP 3, HTTP, HTTPS, TFTP, SSH

Network Services Compatibility: Microsoft Active Directory (AD), Apple Bonjour Protocol, File Level Security (ACLs), DHCP, DDNS, Microsoft CIFS, Network File System (NFS), FTP, FTPS, Server Message Block (SMB), Apple File Protocol (AFP), HTTP, HTTPS, Web-based Distributed Authoring and Versioning (WebDAV)

Features: Hardware encryption, trunking, LDAP support, wake on LAN (WOL), Syslog support, manageable, E-mail alert, print server, IPv6 support, 256-bit encryption, proxy server, backup server, download client, file sharing, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, SSH support, iTunes server, Jumbo Frames support, DHCP

Encryption Algorithm: SSL, TLS, 256-bit AES

Compliant Standards: UPnP
Expansion / Connectivity 
Expansion Bays: 4 (total) / 4 (free) x hot-swap - 2.5" / 3.5"

Expansion Slots: 2 (total) / 0 (free) x SO-DIMM 204-pin ¦ 1 x PCI Express 2.0 x2

Interfaces: 2 x Ethernet 1000Base-T - RJ-45 ¦ 4 x USB 3.0 - Type A ¦ 2 x Ethernet 10Gb - SFP+
Miscellaneous 
Cables Included: 2 x network cable

Features: Security lock slot (cable lock sold separately), audible alarm, built-in 2 cooling fans, hardware encryption, reset button
Power 
Power Device: Internal power supply

Installed Qty: 2

Max Supported Qty: 2

Power Redundancy: Yes

Power Redundancy Scheme: 1+1

Voltage Required: AC 120/230 V (50/60 Hz)

Power Provided: 250 Watt
Software / System Requirements 
Storage Operating System: QNAP QTS 4.3

OS Required: UNIX, Linux, Apple MacOS X, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows 7 / 8 / 10
Environmental Parameters 
Min Operating Temperature: 32 °F

Max Operating Temperature: 104 °F

Humidity Range Operating: 5 - 95% (non-condensing)

Sound Emission: 38.3 dBA