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Silver 12-bay rackmount NAS unit with front drive trays and rear ports visible

Buffalo Technology

Buffalo Technology TS51220RH8004 12-Bay 80TB rackmount NAS

SKU CH-X5A1-9R5DQ MPN TS51220RH8004

A 12-bay rackmount NAS with 80 TB of pre-installed enterprise drives, native 10 GbE, 16 GB DDR4 and RAID 0/1/5/6/10/JBOD ready to deploy

  • Form factor12-Bay
  • Operating systemWindows® 11, Windows® 10, Windows® 8.1 (32-bit/64-bit), Wind
  • Supported standardsIEEE802.3an (10GBASE-T), IEEE802.3bz (5GBASE-T/2.5GBASE-T),
  • USB ports2x USB 3.2, 2x USB 2.0
  • Port esataSATA III (6 Gbit/s)
  • Installed RAM16 GB DDR4

Included HDD Capacity 80TB (4 x 20TB)

Model Partially Populated

  • 80TB raw capacity with four pre-installed 20TB enterprise drives
  • Native 10GbE port supports IEEE802.3an for high-speed file transfers
  • 16GB DDR4 memory handles multi-user workloads and virtualization
  • RAID 0, 1, 5, 6, 10 and JBOD protect data against drive failure
  • AES-256 encryption plus two-factor authentication secure stored files

12-bay rackmount NAS with 80 TB

The Buffalo TeraStation 51220 is a 12-bay rackmount network-attached storage appliance that ships with four 20 TB enterprise-grade hard drives for a total of 80 TB. RAID is pre-configured and the unit includes 16 GB of DDR4 memory. A native 10 GbE port and multi-gigabit Ethernet standards provide high-throughput connectivity without cable upgrades.

Small-business teams needing turnkey capacity

This system suits organisations that want a ready-to-rack file server with cloud-sync support for Amazon S3, Dropbox, Microsoft Azure and OneDrive. It is not intended for buyers who require more than twelve drive bays, who need a different drive interface than SATA, or who plan to run workloads outside the listed Windows, Windows Server and macOS versions.

80 TB raw capacity in four pre-installed drives

The array delivers 80 TB of raw storage across four 20 TB drives with RAID 0, 1, 5, 6, 10 and JBOD options. This capacity figure determines whether the appliance matches the data-retention and redundancy requirements of the target deployment.

How it compares

Measured against everything we stock in Rack-Mounted NAS Servers, at today’s prices. Recalculated every night.

Price $7,527.99
Pricier than about 57% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameBUFFALO
Model nameTS51220RH8004
Memory
Installed RAM16 GB DDR4
Storage
Drives included80 TB (4 × 20 TB)
Supported RAID modes0, 1, 5, 6, 10, and JBOD
Connectivity
Supported standardsIEEE802.3an (10GBASE-T), IEEE802.3bz (5GBASE-T/2.5GBASE-T), IEEE802.3ab (1000BASE-T), IEEE802.3u (100BASE-TX), IEEE802.3 (10BASE-T)
Protocol supportTCP/IP
Ports & slots
USB ports2x USB 3.2, 2x USB 2.0
Port esataSATA III (6 Gbit/s)
Power
Power detailsMax 500 W
Size & build
Form factor12-Bay
Product dimensions29.0 in × 18.9 in × 3.4 in
Product weight41.03–55.37 lb (18.6–25.1 kg)
Shipping weight29.48 kg
Package size1067 × 635 × 305 mm
In the box
In the boxIncluded Material : TeraStation, Quick Setup Guide, AC Cable, Front Panel Key, and Warranty Statement
Included Software : NASNavigator2, NovaBACKUP® Buffalo Edition (One server and ten workstation licenses - available for download after product registration)
Additional : For compliance documents such as RoHS Declaration, Certificate of Volatility, Certificate of Conformance, or others please contact.
Environment & compliance
Temperature range32° - 104 °F (0° - 40 °C)
Humidity range10–85% non-condensing
Software
Operating systemWindows® 11, Windows® 10, Windows® 8.1 (32-bit/64-bit), Windows® 7 (32-bit/64-bit), Windows Server® 2022, Windows Server® 2019, Windows
Server® 2016, Windows Server® 2012, Windows Server® 2012R2, Mac® OS® X 10.9 or later

Other versions of this model

5 more in the same range

Questions about this item

How often will the four 20TB drives need replacement in a RAID 6 array?

The 20TB enterprise drives are rated for continuous operation; replace any drive that SMART reports as failing or after the manufacturer's rated service life.

What limits sustained write throughput on the 10GBASE-T port?

The 10GBASE-T network interface and the SATA III 6 Gbps drive links set the maximum sustained write speed.

How much heat does the 500W power supply add to a rack running all day?

At full load the unit draws up to 500W, converting most of that power into heat inside the rack.

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