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40TB Synology NAS Diskstation & RackStation

Synology DiskStations come complete with the most advanced UI found in a NAS called DiskStation Manager (or DSM for short). Using DSM, your files are freed from typical storage limitations, and your DiskStation becomes your own private cloud.

All Synology DiskStations come with the award winning software, DiskStation Manager (or DSM for short). DSM is our full-featured intuitive management software, which includes a whole host of features to access, share and backup your data. Regardless of budget, you will be able to experience a better storage solution with Synology.

Synology has a wide range of storage solutions to meet every budget. Synology DiskStations vary by number of bays, or the number of hard drives the model accepts, and the performance capabilities. Each of our models names are designed to tell you a little bit about the unit itself.

RS tells you it is a Rack model, DS is a desktop model.
Number of bays. Some units can expand, in which case the max number will be displayed here.
The year the model was released.
The last digit is the performance class that the model it is in. This varies from our lower end j series, up to the standard, plus series, and the xs+ series.

12 Products

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Synology DS225+ 40TB Enterprise NAS Server DiskStation 2-Bay

Synology 40TB DiskStation DS225+ 2-Bay SATA Quad Core Encrypted NAS Server w/ 2x 20TB Enterprise SATA HDDs

Synology Part #/MPN: DS225+

Capacity: 40TB

Speed: 7.2K RPM

Interface Types: SATA

Form Factor: 3.5" LFF Hard Drive

Encryption/SED Supported

Electrical Interface: Ethernet 2.5 GbE - 2.5Gbps

Bays/Ports/Slots: 2

RAM: 2GB

$1,399.00
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • In Stock:4
    Need more?
    Stock Levels

    This stock level is real time and accurate. This quantity is available for same-day shipment. Larger quantities can take up to a week to ship. Call us for larger quantities that you need urgently.

  • 2 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS225+ 40TB Seagate IronWolf NAS Server DiskStation 2-Bay

Synology 40TB DiskStation DS225+ 2-Bay SATA Quad Core Encrypted NAS Server w/ 2x 20TB Seagate IronWolf SATA HDDs

Synology Part #/MPN: DS225+

Capacity: 40TB

Speed: 7.2K RPM

Interface Types: SATA

Form Factor: 3.5" LFF Hard Drive

Encryption/SED Supported

Electrical Interface: Ethernet 2.5 GbE - 2.5Gbps

Bays/Ports/Slots: 2

RAM: 2GB

$1,499.00
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • In Stock:4
    Need more?
    Stock Levels

    This stock level is real time and accurate. This quantity is available for same-day shipment. Larger quantities can take up to a week to ship. Call us for larger quantities that you need urgently.

  • 2 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS923+ DS923-PLUS 40TB DiskStation NAS Network Attached Storage Array Server

Synology 40TB DiskStation DS923+ 4-bay SATA NAS Server, 32GB RAM, 1TB Cache

Synology Part #/MPN: DS923+

Capacity: 40TB

Interface Types: Ethernet RJ45

Encryption/SED Supported

Electrical Interface: Ethernet Gigabit (10GbE optional)

Bays/Ports/Slots: 4

RAM: 32GB

$2,699.00
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • In Stock:5
    Need more?
    Stock Levels

    This stock level is real time and accurate. This quantity is available for same-day shipment. Larger quantities can take up to a week to ship. Call us for larger quantities that you need urgently.

  • 3 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS423+ DS423-PLUS 40TB NAS DiskStation

Synology 40TB DiskStation DS423+ 4-Bay SATA NAS Server, 6GB RAM, 1TB Cache

Synology Part #/MPN: DS423+

Capacity: 40TB

Interface Types: Ethernet RJ45

Encryption/SED Supported

Electrical Interface: Ethernet Gigabit - 1Gbps

Bays/Ports/Slots: 4

RAM: 6GB

$1,949.00
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • In Stock:5
    Need more?
    Stock Levels

    This stock level is real time and accurate. This quantity is available for same-day shipment. Larger quantities can take up to a week to ship. Call us for larger quantities that you need urgently.

  • 3 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS725+ DS725-PLUS NAS Network Attached Storage Array Server

Synology 40TB DiskStation DS725+ 2-bay SATA NAS Server w/ x2 20TB Enterprise SATA HDDs

Synology Part #/MPN: DS725+

Capacity: 40TB

Interface Types: Ethernet RJ45

Encryption/SED Supported

Electrical Interface: Ethernet 2.5 GbE - 2.5Gbps

Bays/Ports/Slots: 2

RAM: 4GB

$1,799.99
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • In Stock:4
    Need more?
    Stock Levels

    This stock level is real time and accurate. This quantity is available for same-day shipment. Larger quantities can take up to a week to ship. Call us for larger quantities that you need urgently.

  • 3 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS725+ DS725-PLUS NAS Network Attached Storage Array Server

Synology 40TB DiskStation DS725+ 2-bay SATA NAS Server w/ x2 20TB Seagate IronWolf SATA HDDs

Synology Part #/MPN: DS725+

Enterprise Grade

Capacity: 40TB

Interface Types: Ethernet RJ45

Encryption/SED Supported

Electrical Interface: Ethernet 2.5 GbE - 2.5Gbps

Bays/Ports/Slots: 2

RAM: 4GB

$1,899.99
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • In Stock:3
    Need more?
    Stock Levels

    This stock level is real time and accurate. This quantity is available for same-day shipment. Larger quantities can take up to a week to ship. Call us for larger quantities that you need urgently.

  • 3 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS1525+ DS1525-PLUS 40TB Enterprise DiskStation 5-Bay NAS Server

Synology 40TB DiskStation DS1525+ 5-Bay SATA NAS Server 5x 8TB Enterprise SATA HDDs 8GB RAM

Synology Part #/MPN: DS1525+

Capacity: 40TB

Interface Types: Ethernet RJ45

Encryption/SED Supported

Electrical Interface: Ethernet Gigabit - 1Gbps

Bays/Ports/Slots: 5

RAM: 8GB

$1,999.99
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • In Stock:1
    Need more?
    Stock Levels

    This stock level is real time and accurate. This quantity is available for same-day shipment. Larger quantities can take up to a week to ship. Call us for larger quantities that you need urgently.

  • 3 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS1525+ DS1525-PLUS 40TB Synology Plus DiskStation 5-Bay NAS Server

Synology 40TB DiskStation DS1525+ 5-Bay SATA NAS Server 5x 8TB Synology Plus SATA HDDs 8GB RAM

Synology Part #/MPN: DS1525+

Capacity: 40TB

Interface Types: Ethernet RJ45

Encryption/SED Supported

Electrical Interface: Ethernet Gigabit - 1Gbps

Bays/Ports/Slots: 5

RAM: 8GB

$2,149.00
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • In Stock:2
    Need more?
    Stock Levels

    This stock level is real time and accurate. This quantity is available for same-day shipment. Larger quantities can take up to a week to ship. Call us for larger quantities that you need urgently.

  • 3 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS224+ 40TB NAS Server DiskStation 2-Bay

Synology 40TB DiskStation DS224+ 2-Bay SATA Quad Core Encrypted NAS Server w/ 2x 20TB HDDs and 6GB RAM

Synology Part #/MPN: DS224+

Capacity: 40TB

Speed: 7.2K RPM

Interface Types: SATA

Form Factor: 3.5" LFF Hard Drive

Encryption/SED Supported

Electrical Interface: Ethernet Gigabit - 1Gbps

Bays/Ports/Slots: 2

RAM: 6GB

$1,719.00
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • Low Stock:Call for ETA
    Stock Levels

    This item is currently (nearly) out of stock. It may be possible to arrange fast shipment. If you need it urgently call us. Otherwise, it usually ships within 1 week.

  • 2 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS1522+ DS1522-PLUS 40TB Western Digital Red Plus DiskStation 5-Bay NAS Server

Synology 40TB DiskStation DS1522+ 5-Bay SATA NAS Server 5x 8TB WD Red Plus SATA HDDs, 8GB RAM

Synology Part #/MPN: DS1522+

Capacity: 40TB

Interface Types: Ethernet RJ45

Encryption/SED Supported

Electrical Interface: Ethernet Gigabit - 1Gbps

Bays/Ports/Slots: 4

RAM: 8GB

$2,179.00
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • Low Stock:Call for ETA
    Stock Levels

    This item is currently (nearly) out of stock. It may be possible to arrange fast shipment. If you need it urgently call us. Otherwise, it usually ships within 1 week.

  • 3 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS1522+ DS1522-PLUS 40TB Seagate IronWolf DiskStation 5-Bay NAS Server

Synology 40TB DiskStation DS1522+ 5-Bay SATA NAS Server 5x 8TB Seagate IronWolf SATA HDDs, 8GB RAM

Synology Part #/MPN: DS1522+

Capacity: 40TB

Interface Types: Ethernet RJ45

Encryption/SED Supported

Electrical Interface: Ethernet Gigabit - 1Gbps

Bays/Ports/Slots: 4

RAM: 8GB

$2,299.00
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • Low Stock:Call for ETA
    Stock Levels

    This item is currently (nearly) out of stock. It may be possible to arrange fast shipment. If you need it urgently call us. Otherwise, it usually ships within 1 week.

  • 3 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.

Synology DS723+ DS723-PLUS 40TB NAS Server DiskStation 2-Bay

Synology DiskStation DS723+ 2-bay SATA NAS Server w/ 40TB Storage, 32GB RAM, 1TB NVMe Cache SSDs

Synology Part #/MPN: DS723+

Capacity: 40TB

Interface Types: Ethernet RJ45

Encryption/SED Supported

Electrical Interface: Ethernet Gigabit - 1Gbps

Bays/Ports/Slots: 2

RAM: 32GB

$1,849.00
  • Brand New
    Condition Levels Explained

    The product is brand new.

  • Low Stock:Call for ETA
    Stock Levels

    This item is currently (nearly) out of stock. It may be possible to arrange fast shipment. If you need it urgently call us. Otherwise, it usually ships within 1 week.

  • 3 Year ManufacturerWarranty
    Product Warranties Explained

    The product has a manufacturer warranty for the time period specified.