Buffalo TeraStation 3420DN Desktop NAS Storage System, 4TB (2x2TB) 4-Bay, 2.5GbE, Quad-Core 1.4GHz, RAID 0/1/5/6/10, TAA Compliant - TS3420DN0402 (3 Year Warranty)

Buffalo TeraStation 3420DN NAS units with Hard Drives Included, Made in Japan, and TAA Compliant badges-alternate-image1
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TeraStation with open front panel showing drive installation-alternate-image7
Top-down view of TeraStation showing build quality-alternate-image8
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Buffalo TeraStation 3420DN Desktop NAS Storage System, 4TB (2x2TB) 4-Bay, 2.5GbE, Quad-Core 1.4GHz, RAID 0/1/5/6/10, TAA Compliant - TS3420DN0402 (3 Year Warranty)

Buffalo TS3420DN0402

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£543.00 £705.00 Save £162
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Availability: In stock , ready to be shipped .
  • 3 Year Warranty
  • 30 Day Returns
  • Carbon Neutral

Standard Memory: 1 GB

  • 1 GB
  • 8 GB
  • 16 GB

Memory Technology: DDR3 SDRAM

  • DDR3 SDRAM
  • DDR4 SDRAM

Processor Core: Quad-core (4 Core)

  • Dual-core (2 Core)
  • Quad-core (4 Core)

Processor Type: Alpine

  • Alpine
  • Atom
  • Xeon

Processor Speed: 1.40 GHz

  • 1.40 GHz
  • 1.50 GHz
  • 2 GHz
  • 2.20 GHz

Part Number: TS3420DN0402

  • TS3420DN1602
  • TS3420DN0802
  • TS3420DN0402
  • TS3220DN1602
  • TS3420DN3204
  • TS3420DN1604
  • TS3420DN0804
  • TS3220DN0802
  • TS3220DN0402
  • TS3420RN1604
  • TS3420RN0804
  • TS3420RN3204

Product Key Features

  • 💾 4-Bay NAS with 4TB total storage (2 x 2TB drives installed)
  • 🚀 2.5 Gigabit Ethernet connectivity for faster data transfer
  • 💪 Powerful Quad-core Annapurna Labs AL-214 processor @ 1.40 GHz
  • 🔒 Multiple RAID support (0, 1, 5, 6, 10, JBOD) for data protection
  • 🔌 Dual RJ-45 ports and 2 USB 3.0 ports for connectivity
  • 🌐 Comprehensive protocol support (TCP/IP, iSCSI, CIFS/SMB, FTP, FTPS, NFS)
  • 💻 1GB DDR3 SDRAM for efficient performance
  • 🏢 Ideal for small businesses with up to 25 users
  • 🛡️ 3-year warranty coverage
  • 🏭 TAA compliant, Made in Japan
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Buffalo

TS3420DN0402

Buffalo TeraStation 3420DN 4TB Desktop NAS with 2.5GbE Connectivity

The Buffalo TeraStation 3420DN is a professional-grade 4-bay NAS storage system featuring 4TB capacity (2x2TB), designed for small businesses requiring reliable data protection. With its powerful Quad-Core 1.4GHz processor and 2.5GbE connectivity, this TAA-compliant storage solution delivers enterprise-level features in a compact desktop form factor.

Advanced Storage Features and Performance

  • Quad-core Annapurna Labs AL-214 processor running at 1.40 GHz
  • 4TB total storage with 2x2TB NAS-grade hard drives pre-installed
  • Flexible RAID options including RAID 0/1/5/6/10 and JBOD
  • 2.5 Gigabit Ethernet for enhanced network performance
  • 1GB DDR3 SDRAM for efficient multitasking

Connectivity and Expansion

  • Dual 2.5GbE network ports for redundancy and link aggregation
  • Two USB 3.0 ports for external device connectivity
  • Four drive bays with two pre-populated bays for future expansion
  • Support for multiple protocols: TCP/IP, iSCSI, CIFS/SMB, FTP, FTPS, NFS

Package Contents

  • TeraStation 3420DN Desktop 4TB NAS (2 x 2TB, 4 Bay)
  • Quick Setup Guide
  • Cat 5e Ethernet Cable
  • AC Power Cable
  • Front Panel Key
  • Warranty Statement

Physical Specifications and Warranty

  • Compact desktop form factor: 8.5" x 6.7" x 9.1"
  • Made in Japan with TAA compliance
  • Comprehensive 3-year warranty coverage
General Information
ManufacturerBuffalo Americas, Inc
Manufacturer Part NumberTS3420DN0402
Brand NameBuffalo
Product LineTeraStation
Product Series3020
Product ModelTS3420DN
Product NameTeraStation 3420DN Desktop 4TB NAS Hard Drives Included (2 x 2TB, 4 Bay)
Product TypeSAN/NAS Storage System
Storage
Number of Hard Drives Supported4
Number of Hard Drives Installed2
Total Hard Drive Capacity Installed4 TB
Processor & Chipset
Processor ManufacturerAnnapurna Labs
Processor TypeAlpine
Processor ModelAL-214
Processor CoreQuad-core (4 Core)
Processor Speed1.40 GHz
Memory
Standard Memory1 GB
Memory TechnologyDDR3 SDRAM
Network & Communication
Ethernet Technology2.5 Gigabit Ethernet
I/O Expansions
Number of Total Expansion Bays4
Controllers
Controller TypeSerial ATA/600
RAID SupportedYes
RAID Levels0, 1, 5, 6, 10, JBOD
Interfaces/Ports
Drive InterfaceSerial ATA/600
Total Number of USB Ports2
Number of USB 3.0 Ports2
Network (RJ-45)Yes
Number of Network (RJ-45) Ports2
Management & Protocols
ProtocolsTCP/IP,iSCSI,CIFS/SMB,FTP,FTPS,NFS
Physical Characteristics
Height8.5
Width6.7
Depth9.1
Form FactorDesktop
Miscellaneous
Package Contents
  • TeraStation 3420DN Desktop 4TB NAS Hard Drives Included (2 x 2TB, 4 Bay)
  • Quick Setup Guide
  • 5e Ethernet Cable
  • AC Cable
  • Front Panel Key
  • Warranty Statement
Additional InformationFor More Details Refer to: https://www.buffalotech.com/products/terastation-3020-series-desktop
Country of OriginJapan
TAA CompliantYes
Warranty
Limited Warranty3 Year

Return Policy

Time to Return

Standard Return Policy

We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns. Please see the section above for more details.

Replacement Only Return Policy

Replacement within 30 days of the delivery date.

Manufacturer Only Return Policy

Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.

Holiday Extended Return Policies

Extended Holiday Return Policy.

Qualifying purchases of products displaying the " Extended Holiday Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Refund or Replacement until January 31, 2024.


Extended Holiday Replacement-Only Return Policy

Qualifying purchases of products displaying the " Extended Holiday Replacement-Only Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Replacement until January 31, 2024.

FAQ
The Buffalo TeraStation 3420DN comes with 4TB total storage capacity (2 x 2TB drives) and features 4 drive bays in total. While it ships with 2 drives installed, it has 4 total expansion bays allowing users to add more drives later for increased storage capacity. The system supports various RAID configurations including RAID 0, 1, 5, 6, 10, and JBOD for flexible storage management.
The TeraStation 3420DN is powered by an Annapurna Labs Alpine AL-214 quad-core processor running at 1.40 GHz. It comes with 1GB of DDR3 SDRAM memory. This hardware configuration is designed to handle small business workloads with up to 25 users efficiently.
The TeraStation 3420DN features 2.5 Gigabit Ethernet technology with two RJ-45 network ports. It supports multiple network protocols including TCP/IP, iSCSI, CIFS/SMB, FTP, FTPS, and NFS. This connectivity allows for fast data transfer speeds and versatile network integration options for small business environments.
The Buffalo TeraStation 3420DN comes in a desktop form factor with dimensions of 8.5 inches in height, 6.7 inches in width, and 9.1 inches in depth. This compact size makes it suitable for placement on a desk or shelf in an office environment.
The TeraStation 3420DN supports multiple RAID configurations including RAID 0, 1, 5, 6, 10, and JBOD. It uses a Serial ATA/600 controller for drive interface. This flexibility in RAID options allows users to balance between performance, storage capacity, and data protection according to their needs.
The device features 2 USB 3.0 ports and 2 RJ-45 network ports with 2.5 Gigabit Ethernet capability. All drives connect through Serial ATA/600 interfaces. These connectivity options provide flexibility for external storage expansion and high-speed network integration.
The package includes the TeraStation 3420DN unit with 2 x 2TB hard drives installed, a Quick Setup Guide, Category 5e Ethernet cable, AC power cable, front panel key, and warranty statement. This complete package provides everything needed to get started with the NAS system.
The Buffalo TeraStation 3420DN comes with a 3-year limited warranty. The device is TAA compliant and manufactured in Japan, ensuring high quality standards. Note that this specific model (TS3420DN0402) has been discontinued, but warranty support remains valid for the specified period.

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