Buffalo TeraStation WS5420DN WS5420DN16W6 4-Bay NAS Server

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Buffalo Technology Part #/MPN: WS5420DN16W6

DiscTech Item #: BUF-WS5420DN16W6-BN-3Y

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Capacity: 16TB

Interface Types: SATA, USB 3.0, Ethernet RJ45

Form Factor: 3.5inx1.0in LFF Hard Drive

Electrical Interface: Ethernet 10Gigabit - 10Gbps

On-Board Cache: 8GB

Bays/Ports/Slots: 4

Wattage/VA: 85W

Voltage: 110-240V Multi

Buffalo TeraStation WS5420DN WS5420DN16W6 4-Bay 16TB 10GbE NAS Server - Brand New

Buffalo TeraStation WS5420DN WS5420DN16W6 Desktop 4-Bay 16TB (4TB x 4) 10GbE / 10 Gigabit Ethernet NAS / Networked Attached Storage Server - Brand New

TeraStation WS5020 - Desktop

High Performance Storage Solution for Windows-based Environments - Hard Drives Included
Buffalo’s TeraStation WS5020 series is a reliable Network Attached Storage solution integrated with Windows Storage Server 2016 (pre-tested NAS-grade hard drives included). This specialized operating system helps simple deployment and management of your growing storage demands as it integrate seamlessly with your existing Windows based environment.

WS5020 is an ideal solution for consolidating multiple file servers into a single solution that enables cost reduction and lowering of the overhead on your existing servers for other workloads.

With the powerful Intel® Atom processor and 8 GB of installed RAM with ECC, TeraStation WS5020 series provides class-leading performance and enables the ability to focus on concurrent tasks with minimal performance degradation. TeraStation WS5020 series features native 10GbE connectivity and achieves increased reliability by populating with hard drives built specifically for always-on NAS devices. Additionally, support for NTFS for very specific file-level security and native Active Directory support provides integration with large Windows® networks.


  • Pre-tested NAS-grade hard drives included with RAID pre-configured
  • 3-year warranty with 24/7 North America-based support (Optional Extended Warranty)
  • Windows® Storage Server 2016 Workgroup/Standard Edition
  • No CAL (Client-Access Licenses) required. Cost-effective storage solution to make full use of existing Windows-based environments
  • Efficient and high speed backup with deduplication feature/native 10GbE port/8GB ECC memory
  • Supports a variety of backup and features [Shadow Copy/Azure Backup]
  • Highly secured with the latest SMB protocol support (3.1.1)
  • Business-level sever/PC backup NovaBACKUP® software bundled
  • Made in Japan / TAA compliant

Buffalo TeraStation 5810DN
Manufacturer Part NumberWS5420DN16W6
Number of Drive Bays4
Number of Included Drives4
Capacity Range16TB
Drive InterfaceSATA 6 Gbps
Supported RAID0/1/5/JBOD (Individual Disks) (Default 5)
Standards ComplianceUSB 3.0
Connector Type A type
Number of Ports2x USB 3.0
Data Transfer Rates5 Gbps
CPUIntel Atom C3338
Memory8GB DDR4 with ECC
Power ConsumptionMax 85W
Data Transfer 30.7W
Idling 25.5W
Standby 6.1W
Power SupplyInternal AC 100-240V Universal 50/60Hz
Operating Temperature32˚ - 104˚F (0˚ - 40˚C)
Operating Humidity10 - 85% non-condensing
Product Dimensions (L x W x H)9.1 x 6.7 x 8.5 in
Product Weight11.0 lbs
Package Dimensions (L x W x H)14.1 x 12.2 x 14.3 in
Package Weight14.3 lbs
Standards Compliance
  • IEEE802.3an (10GBASE-T)
  • IEEE802.3bz (5GBASE-T/2.5GBASE-T)
  • IEEE802.3ab (1000BASE-T)
  • IEEE802.3u (100BASE-TX)
  • IEEE802.3 (10BASE-T)
  • Number of Ports1 (10GBASE-T)
    2 (1000BASE-T)
    Data Transfer Rates10 Gbps / 1000 Mbps / 100 Mbps / 10 Mbps
    Supported ProtocolsTCP/IP
    Network File Services
  • AFP
  • FTP
  • SFTP
  • NFS
  • SNMP
  • Connector Type RJ-45
    Client OS Support
  • Windows® 10
  • Windows® 8.1 (32-bit/64-bit)
  • Windows® 7 (32-bit/64-bit)
  • Windows Server® 2016
  • Windows Server® 2012R2
  • Windows Server® 2012
  • Windows Server® 2008R2
  • Windows Server® 2008
  • Mac® OS® X 10.11 or later
  • Compatible Hard DrivesOP-HD2.0N
    Included SoftwareNASNavigator2, NovaBACKUP® Buffalo Edition (one server and ten workstation licenses)
    Box Contents
  • TeraStation WS5420DN
  • AC Cable
  • 6a Ethernet Cable
  • Front Panel Key
  • Warranty Statement
  • Quick Setup Guide
  • Setup Media (SD CARD)

  • Click here to view the manufacturer's item description/brochure

    ROHS Compliant

    Weight: 17 lb

    Warranty: 3 Year Manufacturer

    Brand New

    Condition Levels Explained

    The product is brand new.

    3 Year Manufacturer Warranty

    Product Warranties Explained

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

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