Buffalo TeraStation 5420RN WS5420RN32S6 4-Bay NAS Server

Buffalo Technology Part #/MPN: WS5420RN32S6

DiscTech Item #: BUF-WS5420RN32S6-BN-3Y

  • Special Order - Ships in 1-2 business days
    Special Order - Ships in 1-2 business days

    This item has a lead time for fulfilment (as listed), this is approximate. Your credit card will be authorized in full on the day of ordering; it will not be charged until the day of shipment.


Capacity: 32TB

Interface Types: SATA, USB 3.0 3.1 3.2, Ethernet RJ45

Form Factor: 3.5inx1.0in LFF Hard Drive

Encryption/SED Supported

Electrical Interface: Ethernet 10Gigabit - 10Gbps

On-Board Cache: 8GB

Bays/Ports/Slots: 4

U Height: 1U

Wattage/VA: 100W

Voltage: 110-240V Multi

Buffalo TeraStation 5420RN WS5420RN32S6 1U 4-Bay 32TB 10Gbase-T NASBuffalo TeraStation 5420RN WS5420RN32S6 1U 4-Bay 32TB 10GbE NAS Server - Brand New

Buffalo TeraStation 5420RN WS5420RN32S6 1U 4-Bay 32TB (4 x 8TB) 10GbE / 10 Gigabit Ethernet NAS / Networked Attached Storage Server - Brand New

TeraStation™ WS5020 – Rackmount

High Performance Storage Solution for Windows-based Environments- Hard Drives Included

TeraStation WS5020 is an affordable and reliable Network Attached Storage solution integrated with Windows Storage Server 2016 (pre-tested NAS-grade hard drives included). This specialized operating system helps with simple deployment and management of your growing storage demands to 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 the overhead on your existing servers for other workloads.


  • Pre-tested NAS-grade hard drives included with RAID pre-configured
  • 4-bay Rackmount NAS with Windows Storage Server 2016 (Standard) with native integration with the Active Directory Service
  • 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 features [Shadow Copy/Azure Backup/iSCSI]
  • Highly secured with the latest SMB protocol support (3.1.1)
  • Business-level sever/PC backup NovaBACKUP® software bundled
  • Made in Japan / TAA compliant / $100 value Rackmount Rail Kit included

Easy and Simple: Smooth integration with your Windows environment

With hard drives included, the TeraStation is a one-stop, all-inclusive backup and recovery storage solution, allowing you to store in your network just by plug and play

Windows Storage Server 2016 provides you seamless integration for expanding storage capability

The device is preconfigured for out-of-the-box use, and WS5020 integrates with your existing Windows environment infrastructures. You can make full use of commonly-used network environments and standard management software you already have for your environment. (More information about Windows Storage Server 2016)

We make it easy for you, and this is the reason why Buffalo NAS is the best choice

  • Pre-tested NAS-grade hard drives included with RAID pre-configured
  • 24/7 North America-based support, including 3 years premium phone support
  • LCD display allows easy visibility of the current unit status
  • TeraStation data can be easily backed up to external storage (DriveStation) or other Rsync-based NAS devices

10GbE Compatible: Ready for future data growth

While having a growth in data and file sizes, you can now benefit greatly from lower-costing 10GbE products. 10GbE-compatible devices and category 6A (Cat 6a) or higher-rated cables allow improvements to office productivity by eliminating network bottlenecks and shortening data backup times.

No 6A cabling in your office? No problem! WS5020 is compatible with IEEE802.3bz and it gives you faster data transfer speeds even with your CAT 5e environment.

With Buffalo's BS-MP20 business switch, users can easily develop faster data transfer environments.

TeraStation™ WS5020 - Rackmount
Part NumberWS5420RN32S6
Internal Hard Drives
Number of Bays4
Number of Drives4
Capacity Range32TB
Drive InterfaceSATA 6 Gbps
Supported RAID0/1/5/JBOD (Individual Disks)(Default 5)
USB Interface
Standard ComplianceUSB 3.0
Connector TypeA type
Number of Ports3 x USB 3.0
Data Transfer Rate5 Gbps
CPUIntel Atom C3338
Environmental & Power
Power ConsumptionMax 100W
Data Transfer 61.7W
Idling 58.7W
Standby 4.9W
Power SupplyInternal AC 100-240V, Universal 50/60Hz
Operating Temperature32° - 104°F
0˚ - 40˚C
Operating Humidity10 - 85% non-condensing
Dimensions (L x W x H)16.9 x 16.9 x 1.7 in
Weight19.2 lbs
LAN Interface
Standards ComplianceIEEE802.3an (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 ServicesCIFS/SMB, AFP, FTP, SFTP, NFS, SNMP
Connector TypeRJ-45
Client OS SupportWindows® 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, OP-HD4.0N, OP-HD6.0N, OP-HD8.0N
Optional WarrantiesKYD (3YKYD40/5YKYD40)
Included SoftwareNASNavigator2, NovaBACKUP® Buffalo Edition (one server and ten workstation licenses)
Box ContentsTeraStation WS5220DN/WS5420DN
AC Cable
6a Ethernet Cable
Front Panel Key
Warranty Statement
Quick Setup Guide
Setup Media (SD CARD)
Rail Kit with Mounting Brackets and Screws

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

Weight: 21 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.