QNAP TS-431K 4Bay NAS,AL214 Quad Core 1.7GHz,1GB RAM

CPUAnnapurnaLabs, an Amazon company Alpine AL214, 4-core, 1.7GHzCPU Architecture32-bit ARMFloating Point Unit
Encryption Engine
System Memory1GB DDR3Maximum Memory1GB DDR3Flash Memory512 MB (Dual boot OS protection)Drive Bay4x 3.5-inch SATA 6Gb/s, 3Gb/sDrive Compatibility3.5-inch bays:
3.5-inch SATA hard disk drives
2.5-inch SATA hard disk drives
2.5-inch SATA solid state drivesHot-swappable
SSD Cache Acceleration Support
Gigabit Ethernet Port (RJ45)2Wake on LAN (WOL)
Jumbo Frame
USB 3.2 Gen 1 port3Form FactorTowerLED IndicatorsPower, Status, LAN, USB, HDD1-4ButtonsPower, Reset, USB Auto CopyDimensions (HxWxD)169 × 160 × 219 mmWeight (Net)2.01 kgWeight (Gross)3.47 kgOperating temperature0 – 40 °C (32°F – 104°F)Storage Temperature-20 – 70°C (-4°F – 158°F)Relative Humidity5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)Power Supply Unit90W Adapter, 100-240VPower Consumption: HDD Sleep Mode11.928 WPower Consumption: Operating Mode, Typical26.57 W

Tested with drives fully populated.

Fan1 x 120mm, 12VDCSound Level21.3 db(A)System WarningBuzzerKensington Security Slot