Buffalo TeraStation TS5420DN SAN/NAS Storage System, 8TB Capacity, 10GbE Network, Quad-Core 2GHz, 8GB DDR4, RAID 0/1/5/6/10, TAA Compliant - TS5420DN0802 (3 Year Warranty)

Buffalo TeraStation TS5420DN front view with VMware Ready and Windows Server 2022 certification badges-alternate-image1
Close-up of Buffalo TeraStation TS5420DN front panel showing LCD display and status indicators-alternate-image2
Side view of Buffalo TeraStation TS5420DN showing ventilation system-alternate-image3
Rear view of Buffalo TeraStation TS5420DN showing connectivity ports and cooling system-alternate-image4
Side profile view of Buffalo TeraStation TS5420DN showing sleek design-alternate-image5
Open front view of Buffalo TeraStation TS5420DN showing drive bays-alternate-image6
Buffalo TeraStation TS5420DN with open drive bay showing drive installation system-alternate-image7
Angled view of Buffalo TeraStation TS5420DN showing compact design-alternate-image8
Top view of Buffalo TeraStation TS5420DN highlighting cooling system-alternate-image9

Buffalo TeraStation TS5420DN SAN/NAS Storage System, 8TB Capacity, 10GbE Network, Quad-Core 2GHz, 8GB DDR4, RAID 0/1/5/6/10, TAA Compliant - TS5420DN0802 (3 Year Warranty)

Buffalo TS5420DN0802

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$978.85 $1,249.49 Save $270.64
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  • 3 Year Warranty
  • 30 Day Returns
  • Carbon Neutral

Standard Memory: 8 GB

  • 1 GB
  • 8 GB
  • 16 GB

Memory Technology: DDR4 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: 2 GHz

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

Part Number: TS5420DN0802

  • TS5420DN2402
  • TS5420DN6404
  • TS5420DN8004
  • TS5420DN4002
  • TS5820DN12808
  • TS5820DN6404
  • TS5820DN8004
  • TS5420RN6404
  • TS5420RN8004
  • TS5420DN1604
  • TS5420DN3204
  • TS5420DN4804
  • TS5420DN0802
  • TS5420DN1602
  • TS5820DN6408
  • TS5820DN9608
  • TS5820DN3204

Product Key Features

  • 💾 8TB Total Storage with 2 x 4TB NAS-grade HDDs
  • 🚀 10GbE + Gigabit Ethernet connectivity
  • 💻 Quad-core 2GHz Annapurna Labs Alpine processor
  • 🔄 8GB DDR4 SDRAM memory
  • 🛡️ Multiple RAID support (0, 1, 5, 6, 10, JBOD)
  • 🔌 3 RJ-45 ports + 4 USB ports
  • 📊 Supports FTP, AFP, iSCSI, NFS, SFTP, CIFS/SMB protocols
  • 💼 Desktop form factor with 4 expansion bays
  • ⚡ 100W power supply
  • ✅ 3-year warranty & TAA compliant
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Buffalo

TS5420DN0802

Buffalo TeraStation TS5420DN 8TB NAS Storage System with 10GbE Connectivity

The Buffalo TeraStation TS5420DN is a professional-grade network attached storage (NAS) solution that delivers exceptional performance with its 10 Gigabit Ethernet connectivity and 8TB storage capacity. Powered by an Annapurna Labs Quad-core processor running at 2 GHz and equipped with 8GB DDR4 RAM, this storage system is engineered for high-workload environments and enterprise-level data management.

Advanced Storage Architecture and Performance

The TS5420DN features a robust storage configuration with 2 x 4TB NAS-grade hard drives in a 4-bay desktop form factor. Supporting multiple RAID levels (0, 1, 5, 6, 10, JBOD), this system ensures data integrity and flexibility for various business needs. The Serial ATA/600 interface maximizes data transfer speeds, while the three network ports, including 10GbE capability, provide exceptional network throughput.

Enterprise-Class Connectivity

With its triple network interface configuration and 10 Gigabit Ethernet support, the TeraStation TS5420DN enables seamless data access and transfer across your network. The system includes 4 USB ports (including 2 USB 2.0 ports) for additional peripheral connectivity and backup options.

Comprehensive Protocol Support and Security Features

This TeraStation model supports a wide range of protocols including:

  • FTP and SFTP for secure file transfers
  • AFP for Mac environments
  • iSCSI for block-level storage access
  • NFS for Unix/Linux systems
  • CIFS/SMB for Windows networking
Key Features:
  • VMware and Hyper-V certified for virtualization environments
  • Snapshot technology for instant backup and recovery
  • TAA compliant for government and enterprise deployment
  • Japanese engineering with 3-year warranty support

Technical Specifications and Performance

The system is built around a powerful hardware platform featuring:

  • Annapurna Labs Alpine Quad-core processor at 2 GHz
  • 8GB DDR4 SDRAM for optimal multitasking
  • 100W power supply for efficient operation
  • 4 drive bays with 2 pre-installed 4TB drives
  • Multiple RAID configuration options

Expandability and Future-Proofing

With its 4-bay design and current 2-drive configuration (2 x 4TB), the TS5420DN offers significant room for storage expansion. The system's robust architecture and enterprise-grade features make it an ideal solution for growing businesses requiring reliable, high-performance network storage.

General Information
ManufacturerBuffalo Americas, Inc
Manufacturer Part NumberTS5420DN0802
Brand NameBuffalo
Product LineTeraStation
Product Series5020
Product ModelTS5420DN
Product NameTeraStation TS5420DN SAN/NAS Storage System
Product TypeSAN/NAS Storage System
Storage
Number of Hard Drives Supported4
Number of Hard Drives Installed2
Total Hard Drive Capacity Installed8 TB
Hard Drive InterfaceSerial ATA/600
Hard Drive Configuration2 x 4TB
Processor & Chipset
Processor ManufacturerAnnapurna Labs
Processor TypeAlpine
Processor CoreQuad-core (4 Core)
Processor Speed2 GHz
Memory
Standard Memory8 GB
Memory TechnologyDDR4 SDRAM
Network & Communication
Ethernet Technology10 Gigabit Ethernet,Gigabit Ethernet
I/O Expansions
Number of Total Expansion Bays4
Controllers
Controller TypeSerial ATA
RAID SupportedYes
RAID Levels0, 1, 5, 6, 10, JBOD
Interfaces/Ports
Drive InterfaceSerial ATA/600
Total Number of USB Ports4
Number of USB 2.0 Ports2
Network (RJ-45)Yes
Number of Network (RJ-45) Ports3
Management & Protocols
ProtocolsFTP,AFP,iSCSI,NFS,SFTP,CIFS/SMB
Power Description
Maximum Power Supply Wattage100 W
Physical Characteristics
Form FactorDesktop
Miscellaneous
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.

Buffalo TeraStation TS5420DN front view with VMware Ready and Windows Server 2022 certification badges

Enterprise-Ready Storage with Advanced Certification

The Buffalo TeraStation TS5420DN showcases its enterprise-class credentials with VMware Ready and Windows Server 2022 certifications. This powerful NAS solution combines robust security features with flexible connectivity options, making it ideal for demanding business environments. The sleek design incorporates both form and function, with status indicators and a clear LCD display for easy monitoring.

Technical Specifications

  • VMware Ready certified for seamless virtualization integration
  • Windows Server 2022 certified for enterprise compatibility
  • TAA compliant for government and institutional deployments

Applications

  • Virtual machine storage and backup
  • Enterprise data management and compliance
  • Secure government and institutional deployments
Close-up of Buffalo TeraStation TS5420DN front panel showing LCD display and status indicators

Intuitive Management Interface

The TeraStation's front panel features a clear, informative LCD display that provides instant status updates and system information. The interface includes dedicated indicators for network activity, system status, and error notifications, enabling quick system monitoring and troubleshooting. The honeycomb ventilation design ensures optimal airflow while maintaining a professional aesthetic.

Technical Specifications

  • Multi-function LCD display for system monitoring
  • Dedicated LED indicators for network ports
  • Integrated error notification system

Applications

  • Real-time system monitoring
  • Quick status checks and diagnostics
  • Network activity tracking
Side view of Buffalo TeraStation TS5420DN showing ventilation system

Enhanced Thermal Management

The side panel design incorporates strategic ventilation slots that optimize airflow throughout the system. This thoughtful engineering ensures consistent performance during intensive operations while maintaining the unit's compact form factor. The durable metal construction provides both protection and heat dissipation capabilities.

Technical Specifications

  • Optimized ventilation system for heat management
  • Durable metal chassis construction
  • Strategic airflow design

Applications

  • 24/7 operation in business environments
  • High-workload data processing
  • Climate-controlled server rooms
Rear view of Buffalo TeraStation TS5420DN showing connectivity ports and cooling system

Comprehensive Connectivity Hub

The rear panel showcases the TeraStation's extensive connectivity options, featuring multiple network ports and USB interfaces. The integrated cooling system with a high-performance fan ensures reliable operation under heavy workloads. The professional-grade power supply connection and physical security features demonstrate the device's enterprise-class design.

Technical Specifications

  • Three network ports for redundant connections
  • USB 3.0 ports for external device connectivity
  • Active cooling system with temperature control

Applications

  • Multi-network deployment
  • Backup device connection
  • Redundant connectivity setup
Side profile view of Buffalo TeraStation TS5420DN showing sleek design

Sleek Professional Design

The TeraStation's minimalist side profile emphasizes its professional-grade construction and attention to detail. The seamless integration of cooling vents and structural elements creates a balanced appearance that fits perfectly in any professional environment. The robust build quality ensures long-term reliability and stability.

Technical Specifications

  • Premium metal construction
  • Integrated cooling vents
  • Compact form factor design

Applications

  • Office environment deployment
  • Data center integration
  • Professional workstation setup
Open front view of Buffalo TeraStation TS5420DN showing drive bays

Tool-Free Drive Management

The front-loading drive bays provide easy access for drive installation and maintenance. Each bay features a secure locking mechanism and clear numbering for simple drive management. The hot-swappable design allows for drive replacement without system downtime, ensuring continuous operation in critical business environments.

Technical Specifications

  • Four hot-swappable drive bays
  • Tool-free drive installation
  • Secure bay locking system

Applications

  • Quick drive replacement
  • Storage capacity expansion
  • RAID configuration management
Buffalo TeraStation TS5420DN with open drive bay showing drive installation system

Easy Drive Installation System

The TeraStation features an innovative drive mounting system that simplifies maintenance and upgrades. The open-bay design provides clear access to drive slots, while the secure mounting mechanism ensures stable drive operation. The system supports hot-swapping, allowing for seamless drive replacement without interrupting business operations.

Technical Specifications

  • Quick-release drive mounting system
  • Hot-swap capability for all drive bays
  • Support for standard SATA drives

Applications

  • On-the-fly storage upgrades
  • Maintenance during operation
  • Drive replacement procedures
Angled view of Buffalo TeraStation TS5420DN showing compact design

Compact Yet Powerful Design

The angular perspective highlights the TeraStation's efficient use of space, combining substantial storage capacity with a compact footprint. The professional-grade construction features a blend of functionality and aesthetics, with the honeycomb ventilation pattern providing both cooling efficiency and visual appeal.

Technical Specifications

  • Space-efficient desktop form factor
  • Integrated LCD monitoring panel
  • Professional-grade build quality

Applications

  • Small office deployment
  • Workstation integration
  • Space-constrained environments
Top view of Buffalo TeraStation TS5420DN highlighting cooling system

Superior Cooling Architecture

The top-down view emphasizes the TeraStation's advanced cooling design, featuring strategic ventilation placement for optimal airflow. The professional-grade construction incorporates both passive and active cooling elements to maintain optimal operating temperatures under heavy workloads.

Technical Specifications

  • Advanced airflow management system
  • Dual cooling methodology
  • Temperature-optimized chassis design

Applications

  • High-performance computing environments
  • Continuous operation scenarios
  • Temperature-sensitive installations
FAQ
The Buffalo TeraStation TS5420DN comes with 8TB total storage capacity, configured as 2 x 4TB hard drives. The system supports up to 4 drive bays total, allowing for future expansion. The drives utilize a Serial ATA/600 interface for reliable data transfer.
The TeraStation TS5420DN supports multiple RAID configurations including RAID 0, 1, 5, 6, 10, and JBOD. This flexibility allows users to choose the ideal balance between performance, storage capacity, and data redundancy based on their specific needs.
The Buffalo TS5420DN features advanced networking capabilities with both 10 Gigabit Ethernet and Gigabit Ethernet support. It includes 3 RJ-45 network ports, enabling high-speed data transfer and multiple connection options for enterprise environments.
The TeraStation TS5420DN is powered by an Annapurna Labs Alpine quad-core processor running at 2 GHz, combined with 8GB of DDR4 SDRAM. This hardware configuration ensures smooth performance for high-workload storage operations.
The TeraStation TS5420DN supports a comprehensive range of protocols including FTP, AFP, iSCSI, NFS, SFTP, and CIFS/SMB. This wide protocol support ensures compatibility with various operating systems and network environments.
The TeraStation TS5420DN offers multiple connectivity options including 3 RJ-45 network ports and 4 USB ports (2 USB 2.0). These connections provide flexibility for external device connectivity and network integration.
The Buffalo TeraStation TS5420DN comes with a 3-year limited warranty, providing peace of mind for business users. The device is manufactured in Japan and is TAA compliant, ensuring high quality and reliability standards.
The TeraStation TS5420DN has a maximum power supply wattage of 100W and comes in a desktop form factor. This makes it suitable for office environments while maintaining efficient power consumption for continuous operation.
The TeraStation TS5420DN is certified for both VMware and Hyper-V virtualization solutions, making it ideal for virtual environments. It includes snapshot technology for near-instantaneous data backup and recovery, enhancing its capabilities in virtualized infrastructures.

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