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BUFFALO TeraStation 5420DN 40TB Desktop NAS, 4‑Bay, Win Storage Server

VENDOR: BUFFALO TECHNOLOGY Mfg Part#: TS5420DN4002 UPC#: 747464135854
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$1,915.99
$1,915.99
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MSRP: $2,599.99
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  • 4-bay desktop NAS with two 20TB SATA III hard drives pre-installed (40TB total)
  • Intel Atom C3338 dual-core 1.5 GHz processor for efficient performance
  • 8 GB DDR4 RAM supports multitasking and system responsiveness
  • Supports RAID level JBOD and iSCSI for data redundancy and integration
  • Microsoft Windows Storage Server 2016 pre-installed for compatibility and management
  • Connectivity includes 1 x RJ-45 Gigabit Ethernet and 2 x USB 3.0 Type A ports

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Key Benefits

Eye-Insights
  • Pre-populated with 40TB (2x20TB) storage and 2 open bays offer immediate usage and future expandability
  • Runs Windows Storage Server 2016 for seamless integration into existing Windows-based networks
  • TAA compliant and made in Japan, suitable for government and compliance-driven deployments

Product Overview

The BUFFALO TeraStation 5420DN NAS delivers 40TB of scalable network storage in a convenient desktop form factor. It includes 2 x 20TB SATA III drives with two additional expansion bays, enabling future capacity growth. Powered by an Intel Atom C3338 1.5 GHz processor and 8GB DDR4 RAM, it delivers efficient performance and seamless integration with Windows Storage Server 2016. With RAID JBOD support, iSCSI capabilities, USB 3.0 connectivity, and Gigabit Ethernet, it's engineered for secure, high-speed data access in business environments. TAA compliant, it’s also suitable for regulated sectors and governmental use.

Specifications

Product Overview
Product Type Network Storage Server
Form Factor Desktop
Processor Manufacturer Intel
Processor Type Atom C3338
Processor Clock Speed 1.5 GHz
Number of Processor Cores 2
Installed Memory 8 GB
Memory Technology DDR4
Installed Drive Capacity 40 TB
Drive Configuration 2 x 20TB SATA III (Hot-swappable)
Drive Bays Total 4
Drive Interface SATA III 6Gb/s
RAID Levels Supported JBOD, RAID 0, 1, 5, 6, 10
Operating System Windows Storage Server 2016 Workgroup
Power Supply Type Internal
Power Supply Wattage 85W

Cloud Management & Licensing
Remote Management Interface Web-based GUI
Cloud Integration Supports Buffalo NAS Navigator and NovaStor
OS Licensing License included for Windows Storage Server 2016 Workgroup
Active Directory Support Yes

Physical & Environmental
Width 170 mm
Depth 215 mm
Height 230 mm
Weight Approx. 7.5 kg
Operating Temperature 5°C to 35°C
Operating Humidity 20% – 80% (non-condensing)
Noise Level 38 dB (typical)

Interfaces
Ethernet Port Count 2
Ethernet Interface Type 10/100/1000 Mbps (Gigabit Ethernet)
USB Ports 2 x USB 3.0 Type-A
iSCSI Support Yes

Advanced Security Features
Encryption 256-bit AES Encryption
Integrated Firewall Yes
Antivirus Capabilities Optional (add-on license)
Access Control User and group-level permissions
Network Security Protocols HTTPS, FTPS, SFTP

Compliance & Origin
Country of Origin Japan
TAA Compliant Yes
Certifications FCC, CE, VCCI, RoHS, UL