Product Model: TS-451A-2G

4-Bay NAS, 2GB DDR3L RAM (max 8GB), SATA 6Gb/s, 2 Giga LAN, USB QuickAccess, hardware transcoding, HDMI, AES-NI encryption engine, Virtualization Station, Surveillance Station (Free: 2, Max 32 Ch), max 1 UX-800P/UX-500P expansion unit.

    The TS-451A provides the innovative USB QuickAccess port that allows you to quickly complete the first-time NAS installation and to then directly access files and data stored on the NAS. It also supports two additional transmission modes: Ethernet NAS mode and iSCSI SAN block-based mode. Combining USB QuickAccess, NAS and iSCSI-SAN into one box, the TS-451A is a powerful but easy-to-use storage solution ideal for backup, synchronization, remote access, and entertainment. It greatly helps to boost productivity and can meet the demands of photographers and audiovisual enthusiasts for direct, quick access to files. The TS-451A is powered by a high-performance 14nm Intel® Celeron® N3060 dual-core 1.6GHz processor, and supports 4K video playback and transcoding.

    • Excellent system performance, ideal for centralized management, file sharing and backup
    • USB QuickAccess port for accessing files without needing a network connection
    • Supports 4K hardware decoding and transcodes 4K H.264 videos on-the-fly or offline
    • Enjoy the best audio-visual experience with HDMI output, multi-channel surround sound and the free remote control
    • Build a personal karaoke system with OceanKTV
    • Linux Station supports Ubuntu® with direct output via HDMI
    • A hybrid approach to virtualization: Virtualization Station & Container Station
    • Supports Virtual JBOD (VJBOD) to maximize the storage utilization of multiple QNAP NAS units

    Hardware Specifications:

    Processor: 14nm Intel® Celeron® N3060 dual-core 1.6GHz (up to 2.48GHz)

    System Memory: 2GB DDR3L (2 x 1GB)

    Maximum Memory: 8GB

    Memory Slot: 

    2 x SODIMM DDR3L (For dual-DIMM configurations, you must use a pair of identical DDR3L modules.)

    Flash: 4GB, pre-loaded with QTS system

    Drive Type: 4 x 3.5″/2.5″ SATA 6Gb/s HDDs/SSDs

    GbE LAN: 2 x Gigabit RJ45 LAN port

    USB Port: 3 x USB 3.0 ports (Front: 1, Rear:2)

    USB QuickAccess: (USB 3.0 Micro-B); USB cable is not included

    HDMI: 1, max. resolution 3840 x 2160 @ 30Hz

    Audio Input: 3.5mm Microphone Input jack (for dynamic microphone)

    Audio Output: 3.5mm Line Out jack (for ampliers or speakers)

    LED Indicator: Status/Power, USB, HDD 1, HDD 2, HDD 3, HDD 4

    Button: Power/Status, USB one-touch-backup, reset

    IR Receiver: supports QNAP RM-IR002 and MCE-compliant remote controls

    Others: Kensington security slot,system maintenance port


    169 x 160 x 219 mm

    6.65 x 6.3 x 8.62 inch (HxWxD)


    Net: 3 kg (6.61 lbs)

    Gross: 3.6 kg (7.94 lbs)

    Operating Temperature: 0-40˚C

    Relative Humidity: 5~95% RH non-condensing, wet bulb: 27˚C

    Noise Level: 

    18.1 dB (A)

    Refer to ISO 7779 ; Maximum HDD loaded ; Bystander Position ; Average data from 1 meter in front of operating NAS

    Power Consumption: 

    System sleep: 0.65W

    HDD standby:12.1W

    In operation:27W (with 4 x 2TB HDDs)

    Power: 96W AC power adapter, 100-240V AC

    Fan: 1 x 12cm system fan (12V DC)