QNAP 4-Bay TS-451D2-2G provides high storage potential for home and small business users to store share and back up files. Business users can leverage its dual-core Intel processor to enable seamless multi-user on-premises/remote access to work files while home users can enjoy a high-quality multimedia experience with both streaming and direct 4K HDMI 2.0 output. Cloud Storage Gateways allow you to leverage your existing cloud storage to deploy a hybrid-cloud solution while a built-in App Center provides a wide range of applications to add additional functionality.

The TS-451D2-2G centrally stores data and files and supports common file sharing protocols including SMB/CIFS AFP and NFS for Windows Mac and Linux/UNIX devices. Coupled with Qsync a utility that transforms a QNAP NAS into a secure high-capacity data center for file synchronization any file uploaded to the TS-451D2 becomes available for all connected devices such as computers laptops and mobile devices. Hybrid Backup Sync helps you easily backup or synchronize data on the TS-451D2-2G to another QNAP NAS remote servers or cloud storage for disaster recovery. Additionally QuDedup technology greatly improves the efficiency of multi-version backup to the destination storage while optimizing storage utilization. You can install the QuDedup Extract Tool on your computer and restore deduplicated files to their normal status.


  • Intel Celeron J4025 dual-core 2.0 GHz processor burst up to 2.9 GHz
  • A secure backup center with snapshot protection
  • Multi-point file backup access and sync
  • Seamless integration with cloud data
  • Directly host virtual machines and containers
  • Easy and secure remote connection
  • Flexible and economical storage expansion
  • (TS-451D2-2G-AU)

    SKU TS-451D2-2G-AU
    Barcode # 4713213518359
    Brand QNAP

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