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Rectangular black desktop NAS with eight front drive bays and status LEDs

Buffalo Technology

Buffalo Technology TS5820DN12808 8-Bay 128TB Desktop NAS

SKU CH-9CXR-G2AXP MPN TS5820DN12808

Eight-bay desktop NAS with 128 TB of pre-installed drives, 10 GbE and dual 1 GbE ports, quad-core processor and 8 GB DDR4 memory

  • TypeDesktop NAS
  • StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
  • Ports1 x 10GbE + 2 x 1GbE
  • Port RJ-451 x 10GbE + 2 x 1GbE
  • Port USB2 x USB3.0 + 2 x USB2.0
  • HDD Interface8 x SATA (8 x Bay)

Included HDD Capacity 128TB (8 x 16TB)

Option Fully Populated

  • Ready-to-use storage with 128TB pre-installed and RAID configured
  • Fast network transfers via native 10GbE and dual 1GbE ports
  • Strong data protection with AES-256 encryption and snapshot recovery
  • Certified for VMware and Windows Server 2022 virtualization
  • Centralised control of multiple units through remote management console

Ready-to-use 128 TB desktop NAS

The Buffalo TeraStation 5820 arrives with eight 16 TB NAS-grade drives pre-installed and RAID pre-configured, delivering 128 TB of protected storage out of the box. A quad-core Annapurna Labs AL524 processor at 2.04 GHz and 8 GB of DDR4 memory handle file serving, backup and virtualization workloads for small-to-medium businesses.

Network and power compatibility

Your infrastructure must provide a 10GbE switch or router to use the native 10GbE port at full speed, plus two 1GbE connections for standard LAN segments. The unit draws 112 W from a 100-240 VAC supply, so confirm rack or shelf power capacity and available RJ-45 ports before ordering.

Included accessories and software impact

The package supplies a quick setup guide, AC cable and front-panel key for immediate physical deployment. Built-in cloud connectors for Amazon S3, Dropbox, Microsoft Azure and OneDrive, plus AES-256 encryption, two-factor authentication and snapshot backup, extend data protection without extra licences. VMware and Windows Server 2022 certification lets the NAS join virtualized environments directly.

Highlights

  • Ready-to-use storage with 128TB pre-installed and RAID configured
  • Fast network transfers via native 10GbE and dual 1GbE ports
  • Strong data protection with AES-256 encryption and snapshot recovery
  • Certified for VMware and Windows Server 2022 virtualization
  • Centralised control of multiple units through remote management console

Specifications

BrandBUFFALO
SeriesTeraStation 5020
ModelTS5820DN12808
Part NumberTS5820DN12808
TypeDesktop NAS
StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Ports1 x 10GbE + 2 x 1GbE
Port RJ-451 x 10GbE + 2 x 1GbE
Port USB2 x USB3.0 + 2 x USB2.0
HDD Interface8 x SATA (8 x Bay)
Form Factor8-Bay
ProcessorAnnapurna Labs Alpine Processor AL524 (2.04 GHz Quad-Core)
Installed Memory8GB DDR4
Included HDD Capacity128TB (8 x 16TB)
RAIDRAID 0, 1, 5, 6, 10, and JBOD
Drive CompatibilityOP-HD16.0N
Supported ProtocolsTCP/IP
LEDsPower, HDD (Hard Disk Drive), LAN (10/100)
Power100-240 VAC 50/60Hz
Power Consumption112W
Temperature0°C - 40 °C
Humidity0-80% RH non-condensing
UsageHigh read/write performance with RAID
Dimensions9.06 x 11.81 x 8.46 in
Weight26.9 lbs
Package ContentsTeraStation, Quick Setup Guide, AC Cable, Front Panel Key, and Warranty Statement
Shipping weight10.80 kg
Package size419 × 351 × 351 mm

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Questions about this item

What comes in the box and do I need to buy drives separately?

The package includes the TeraStation unit, a quick setup guide, an AC power cable, a front-panel key and a warranty statement. Eight 16TB NAS-grade drives are pre-installed, so no separate drive purchase is required.

How do I choose between the available RAID modes for the 128TB array?

The unit supports RAID 0, 1, 5, 6, 10 and JBOD. RAID 5 or 6 gives fault tolerance with most capacity; RAID 10 favours speed and rebuild time; JBOD treats each 16TB drive independently.

What does the 10GbE port mean for real-world transfer speeds?

The native 10GbE RJ-45 port enables up to 10 Gbps network throughput when paired with a 10GbE switch and client, far exceeding the two 1GbE ports for large-file workloads.

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