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Buffalo

Buffalo TeraStation TS5420DN SAN/NAS Storage System

$2,463.99
$1,737.08 SAVE $726.91
1 availableas of 09/07/2026

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Should arrive by Wed, Sep 30 with free ground shipping

Compliance, certifications and origin

  • TAA compliant
  • Origin: Japan
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

View user manual
High-Performance, High-Security Storage Solution - Hard Drives Included.

The TeraStation 5020 is Buffalo's new flagship network attached storage (NAS) product purpose-built as a secure, high-performance storage solution optimized for high workloads. Available in desktop and rackmount form factors, the TS5020 is an evolution of Buffalo's acclaimed TeraStation 5010 and 6000 Series devices, offering advanced productivity and security features at a lower cost so you can optimize your such as snapshot technology for near-instantaneous data backup and recovery, VMware and Hyper-V certifications for virtualization solutions, robust data backup and security options so you can store your data with peace of mind.
More from the manufacturer

Technical specifications

General Information

Manufacturer Buffalo Americas, Inc
Manufacturer Part Number TS5420DN3202
Manufacturer Website Address http://www.buffalotech.com
Brand Name Buffalo
Product Line TeraStation
Product Series 5020
Product Model TS5420DN
Product Name TeraStation TS5420DN SAN/NAS Storage System
Product Type SAN/NAS Storage System

Storage

Number of Hard Drives Supported 4
Number of Hard Drives Installed 2
Total Hard Drive Capacity Installed 32 TB
Hard Drive Interface Serial ATA/600
Hard Drive Configuration 2 x 16TB

Processor & Chipset

Processor Manufacturer Annapurna Labs
Processor Type Alpine
Processor Core Quad-core (4 Core)
Processor Speed 2 GHz

Memory

Standard Memory 8 GB
Memory Technology DDR4 SDRAM

Network & Communication

Ethernet Technology Gigabit Ethernet10 Gigabit Ethernet

I/O Expansions

Number of Total Expansion Bays 4

Controllers

Controller Type Serial ATA
RAID Supported Yes
RAID Levels 0, 1, 5, 6, 10, JBOD

Interfaces/Ports

Drive Interface Serial ATA/600
Total Number of USB Ports 4
Number of USB 2.0 Ports 2
Network (RJ-45) Yes
Number of Network (RJ-45) Ports 3

Management & Protocols

Protocols CIFS/SMBFTPSSFTPTCP/IPFTPiSCSIAFPNFS

Power Description

Maximum Power Supply Wattage 100 W

Physical Characteristics

Form Factor Desktop

Miscellaneous

Compatibility Windows® 11 (32-bit/64-bit), Windows® 10, Windows® 8.1 (32-bit/64-bit), Windows Server® 2022, Windows Server® 2019, Mac® OS® X 10.13 or later
Country of Origin Japan
TAA Compliant Yes

Warranty

Limited Warranty 3 Year

Ratings and reviews

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.