QNAP TS-431P 4 Bay NAS

Storage
Supported storage drive interfaces	Serial ATA,Serial ATA II,Serial ATA III
Storage drive sizes supported The sizes of storage drives that can be used with the product.	2.5,3.5"
RAID support The device uses RAID, which is a storage technology that combines multiple disk drive components into a logical unit for the purposes of data redundancy and performance improvement. Data is distributed across the drives in one of several ways, referred to as RAID levels, depending on the specific level of redundancy and performance required.
RAID levels RAID is a storage technology that combines multiple disk drive components into a logical unit for the purposes of data redundancy and performance improvement. Data is distributed across the drives in one of several ways, referred to as RAID levels, depending on the specific level of redundancy and performance required.	0,1,5,6,10,JBOD
Online RAID migration
Online RAID expansion
Hot-swap drive bays The places where drives (hot-swap drives) can be inserted to or removed from the computer.
Supported file systems	FAT32,HFS+,NTFS,ext3,ext4
Storage drives installed Storage drives are built into the system.
Installed storage drive type Type of storage drives built into the device e.g. HDD (hard disk drive), SSD (solid-state drive).
Supported storage drive types The type of storage drives the device is compatible with.	HDD,SSD
Number of storage drives supported How many storage drives can be fit into the product at once.	4
Bad block scan

Processor
Processor family A family of processors is a group of processors produced by one company over a short period of time e.g. Intel Pentium processors.	Annapurna Labs
Processor model The model number for the processor in a computer.	AL212
Processor frequency The speed that the microprocessor executes each instruction or each vibration of the clock. The CPU requires a fixed number of clock ticks, or cycles, to execute each instruction. The faster the clocks rate, the faster the CPU, or the faster it can execute instructions. Clock Speeds are usually determined in MHz, 1 MHz representing 1 million cycles per second, or in GHz, 1 GHz representing 1 thousand million cycles per second. The higher the CPU speed, the better a computer will perform.	1.7 GHz
Processor cores The number of central processing units ('cores') in a processor. Some processors have 1 core, others have 2 (e.g. Intel Core Duo) or more (e.g. the Intel Xeon E7-2850 has 10 cores).	2

Memory
Internal memory type The type of internal memory such as RAM, GDDR5.	DDR3
Internal memory A computer's memory which is directly accessible to the CPU.	1 GB
Flash memory	512 MB

Network
Ethernet LAN An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.
Ethernet LAN data rates The different speed levels of the Ethernet LAN connection.	10,100,1000 Mbit/s
Wi-Fi Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.
DHCP client Whether the product features a DHCP (Dynamic Host Configuration Protocol) to obtain IP addresses within a network.
DHCP server A server is a system which that responds to requests across a computer network to provide, or help to provide, a network service. DCHP servers uses the DCHP (Dynamic Host Configuration Protocol), which is a standardized networking protocol used by servers on an IP network to allocate IP addresses to computers. The purpose of DHCP is to automate the IP address configuration of a computer without a network administrator. IP addresses are typically selected from a range of assigned IP addresses stored in a database on the server and issued to a computer which requests a new IP address. An IP address is assigned to a computer for a set interval, after which, the computer must renew the IP address or acquire a new one.
Jumbo frames support
iSCSI support
Wake-on-LAN ready
Supported network protocols Network protocols tested as compatible with this product e.g. FTP,HTML, POP.	IPv4, IPv6, CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Dynamic DNS (DDNS)
WLAN adapter supported

Ports & interfaces
USB port The device features a socket into which a USB cable can be plugged.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3
Ethernet LAN (RJ-45) ports Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.	2

Design
Chassis type The type of rigid framework onto which is the hosuing for device components.	Tower
Cooling type The method used to cool the device or to cool the air around the device.	Active
Product colour The colour e.g. red, blue, green, black, white.	White
Number of fans The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation).	1 fan(s)
Fan diameter The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan.	12 cm
LED indicators	HDD,LAN,Status,USB
Cable lock slot Holes on the edge of devices through which a cable lock can be passed, so the device can be locked to a desk etc.
Cable lock slot type	Kensington

Performance
Type Characteristics of the device.	NAS
Device class The category to which this device belongs.	Home & Home Office
Backup function The function if the main power source fails.
Backup features	Cloud,iSCSI LUN
Buzzer
Multilingual support
Noise level The amplitude level of the undesired background noise, usually measured in decibels (db).	19.5 dB
Security algorithms Security algorithms are used to provide authentication, cipher key generation, integrity and radio link privacy to users on mobile networks. The security algorithms supported are the ones that can be used with this product.	256-bit AES,HTTPS,SNMP,SSH,SSL/TLS
Access Control List (ACL)
Web-based management Using a website/web application to manage something.
Reset button
On/off switch The button which is pressed to switch the device on or off.
Built-in iTunes server
Built-in FTP server
Browser supported List of supported browsers for this product.	Internet Explorer 10+, Firefox 8+, Safari 4+, Chrome
System log
Hot spare
S.M.A.R.T. support
Share folder	CIFS/SMB
Remotely operated The device can be controlled by remote control, which is a device that controls an apparatus by means of radio or infrared signals.
Universal Plug and Play (UPnP)

Software
Operating system installed Type of operating system on a device e.g. IOS on Apple devices, Android for mobile devices.	QNAP Turbo System
Operating system version The version of the operating system used e.g. 4.1, 4.2 for Android.	4.2
Windows operating systems supported Windows vesions wich can be used with the device.	Windows 10 Education,Windows 10 Education x64,Windows 10 Enterprise,Windows 10 Enterprise x64,Windows 10 Home,Windows 10 Home x64,Windows 10 Pro,Windows 10 Pro x64,Windows 7 Enterprise,Windows 7 Enterprise x64,Windows 7 Home Basic,Windows 7 Home Basic x64,Windows 7 Home Premium,Windows 7 Home Premium x64,Windows 7 Professional,Windows 7 Professional x64,Windows 7 Starter,Windows 7 Starter x64,Windows 7 Ultimate,Windows 7 Ultimate x64,Windows 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64
Linux operating systems supported 8 RT. Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3)
Mac compatibility Product can be used with Apple Mac software and/or hardware.
Mac operating systems supported Mac operating systems e.g. OS X can be used with the device.
Server operating systems supported	Windows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2

Power
Power supply location Where the power supply is positioned.	External
Power supply unit (PSU) capacity	90 W
Number of power supply units	1
Power consumption (typical) Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.	26.7 W
AC input voltage The voltage of the AC electricity that is inputted into the product.	100-240 V
Fan voltage	12 V

Weight & dimensions
Width The measurement or extent of something from side to side.	160 mm
Depth The distance from the front to the back of something.	169 mm
Height The measurement of the product from head to foot or from base to top.	219 mm
Weight Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.	3 kg
Package weight Weight of the packaged product.	4.3 kg

Packaging content
External power adapter
Cables included	AC,LAN (RJ-45)
Quick installation guide

Operational conditions
Operating temperature (T-T) The minimum and maximum temperatures at which the product can be safely operated.	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%

Certificates
Digital Living Network Alliance (DLNA) certified The product has been certified by the Digital Living Network Alliance (DLNA), which is a non-profit collaborative trade organization established by Sony in June 2003 that is responsible for defining interoperability guidelines to enable sharing of digital media between multimedia devices

Other features
Power management