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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

  • CPUAnnapurna Labs Alpine Processor AL524 (2.04 GHz Quad-Core)
  • Form factor8-Bay
  • Port count1 × 10GbE + 2 × 1GbE
  • Power draw112 W
  • Supported standardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
  • LAN ports1 × 10GbE + 2 × 1GbE

Included HDD Capacity 128TB (8 x 16TB)

Model 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.

How it compares

Measured against everything we stock in Multi-Bay Desktop NAS, at today’s prices. Recalculated every night.

Price $3,321.99
Pricier than about 87% of the 230 comparable items (median $562.49).

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Specifications

Product
Brand nameBUFFALO
Product lineTeraStation 5020
Model nameTS5820DN12808
Part numberTS5820DN12808
Product typeDesktop NAS
Recommended useHigh read/write performance with RAID
Processor
CPUAnnapurna Labs Alpine Processor AL524 (2.04 GHz Quad-Core)
Memory
Installed RAM8 GB DDR4
Storage
Drive interface8 x SATA (8 x Bay)
Drives included128 TB (8 × 16 TB)
Supported RAID modes0, 1, 5, 6, 10, and JBOD
Connectivity
Supported standardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Protocol supportTCP/IP
Ports & slots
Port count1 × 10GbE + 2 × 1GbE
LAN ports1 × 10GbE + 2 × 1GbE
USB ports2 x USB3.0 + 2 x USB2.0
Power
Power draw112 W
Power details100-240 VAC 50/60 Hz
Size & build
Form factor8-Bay
Product dimensions9.06 × 11.81 × 8.46 in
Product weight26.9 lb (12.2 kg)
Shipping weight10.80 kg
Package size419 × 351 × 351 mm
Compatibility
Compatible drivesOP-HD16.0N
In the box
In the boxTeraStation, Quick Setup Guide, AC Cable, Front Panel Key, and Warranty Statement
Environment & compliance
Temperature range0 °C - 40 °C
Humidity range0-80% RH non-condensing
More details
Indicator lightsPower, HDD (Hard Disk Drive), LAN (10/100)

Other versions of this model

5 more in the same range

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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