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Product specifications

Buffalo TeraStation TS51220RH NAS Rack (3U) Alpine AL524 16 GB DDR4 80 TB HDD Black

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4 x 20TB, Alpine Processor AL524 2.04 GHz Quad-Core, 16GB DDR4, 2x10GbE, 2x1GbE

Part TS51220RH8004 · UPC 747464135793

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About this product

Secure, Reliable Storage Solutions for Critical Business Needs

Avoid costly downtime, stop cyber threats, and scale data storage with the TeraStation 5020: a FIPS 140 CAVP validated business-class network attached storage (NAS) solution that comes fully equipped and ready for critical workloads. Available in high-capacity and fully- and partially populated rackmount form factors, the TS5020’s offers advanced data storage and file server operations out of the box so you can store your data with peace of mind.

Secure Business Network Storage

Secure business-grade NAS with hard drives included, optimized to efficiently store, share, and back up critical data.

Reliable Data Protection

Built with 256-bit drive encryption, a closed system, and real-time threat detection to mitigate cyberthreats.

Deploy Out of the Box

Arrives pre-configured with RAID for quick deployment.

Instant Snapshot Backup & Recovery

Create snapshots to instantly recover files or entire storage volumes with minimal disruption, protecting against user errors, ransomware, and file corruption with Btrfs-enhanced capabilities.

Cloud Integration

Sync with Dropbox, Amazon S3, Microsoft Azure, and OneDrive for hybrid cloud setups, boosting data security, backup versatility, and cost efficiency.

Worry-Free Support & Warranty

Includes a 3-year Next Business Day warranty (including hard drives), plus 24/7 US-based support and data recovery services.

Quality Engineering, Made in Japan

Precision-crafted with high-quality components and fully TAA-compliant.

Storage

Storage drive capacity
20 TB
Storage drive interface
Serial ATA III
Supported storage drive interfaces
Serial ATA III
RAID support
Yes
RAID levels
0, 6, 1, JBOD, 5, 10
Hot-swap drive bays
Yes
Supported file systems
BTRFS
Storage drives installed
Yes
Total installed storage capacity
80 TB
Number of storage drives installed
4
Number of storage drives supported
12
Installed storage drive type
HDD
Supported storage drive types
HDD & SSD

Processor

Processor manufacturer
Annapurna Labs
Processor family
Alpine
Processor model
AL524
Processor frequency
2 GHz
Processor cores
4

Memory

Internal memory
16 GB
Internal memory type
DDR4

Network

Ethernet LAN
Yes
Ethernet LAN data rates
1000,10000 Mbit/s

Ports & interfaces

USB port
Yes
USB 2.0 ports quantity
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
2
Ethernet LAN (RJ-45) ports
4

Design

Chassis type
Rack (3U)
Cooling type
Active
Product colour
Black

Performance

Type
NAS
Device class
Large Enterprise Business
Backup function
Yes
Backup features
Cloud, USB drive
Web-based management
Yes
On/off switch
Yes
Password authentication
Yes

Power

AC input voltage
100 - 240 V
AC input frequency
50/60 Hz

Weight & dimensions

Width
480 mm
Depth
480 mm
Height
86 mm
Weight
25.1 kg
Package width
975 mm
Package depth
582 mm
Package height
259 mm
Package weight
30.2 kg

Operational conditions

Operating temperature (T-T)
0 - 40 °C
Storage temperature (T-T)
10 - 85 °C

Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License

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