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Black rackmount NAS chassis with four drive bays and front status LEDs

Buffalo Technology

Buffalo Technology TS5420RN4804 4-Bay 48TB Rackmount NAS

SKU CH-YQRK-097KQ MPN TS5420RN4804

Rackmount NAS with four pre-installed 12 TB drives in RAID, a 2.04 GHz quad-core processor, 8 GB DDR4, native 10GbE and dual 1GbE ports

  • StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
  • Port RJ-451 x 10GbE + 2 x 1GbE
  • Port USB2 x USB3.0 + 2 x USB2.0
  • HDD Interface4 x SATA (4 x Bay)
  • Form Factor4-Bay
  • ProcessorAnnapurna Labs Alpine Processor AL524 (2.04 GHz Quad-Core)

Included HDD Capacity 48TB (4 x 12TB)

  • Pre-tested 12TB drives with RAID ready
  • 10GbE port plus dual 1GbE for fast transfers
  • 8GB DDR4 and quad-core AL524 processor
  • RAID 0, 1, 5, 6, 10 and JBOD supported
  • Cloud backup to S3, Azure, OneDrive, Dropbox

48TB Rackmount NAS with 10GbE

The Buffalo TeraStation 5420 is a four-bay rackmount network-attached storage appliance that ships with four 12TB NAS-grade hard drives pre-installed and RAID pre-configured. An Annapurna Labs Alpine AL524 quad-core processor running at 2.04 GHz and 8GB of DDR4 memory drive the unit. A native 10GbE RJ-45 port plus two 1GbE ports provide high-speed wired connectivity without requiring cable upgrades.

IT teams needing certified virtualization storage

VMware and Windows Server 2022 certification make this NAS suitable for virtualised workloads and enterprise backup targets. Snapshot technology and AES-256 encryption support near-instant recovery and data protection. Organisations without rack infrastructure or those requiring larger drive counts than four bays should evaluate alternative form factors.

Pre-configured RAID and cloud integration

Drives arrive tested and configured in RAID 0, 1, 5, 6, 10 or JBOD, eliminating initial set-up time. Built-in cloud connectors support Amazon S3, Dropbox, Microsoft Azure and OneDrive for hybrid backup strategies. A remote management console allows administrators to monitor multiple devices from a single interface, reducing operational overhead.

Punti di forza

  • Pre-tested 12TB drives with RAID ready
  • 10GbE port plus dual 1GbE for fast transfers
  • 8GB DDR4 and quad-core AL524 processor
  • RAID 0, 1, 5, 6, 10 and JBOD supported
  • Cloud backup to S3, Azure, OneDrive, Dropbox

Caratteristiche tecniche

BrandBUFFALO
ModelTS5420RN4804
Part NumberTS5420RN4804
StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Port RJ-451 x 10GbE + 2 x 1GbE
Port USB2 x USB3.0 + 2 x USB2.0
HDD Interface4 x SATA (4 x Bay)
Form Factor4-Bay
ProcessorAnnapurna Labs Alpine Processor AL524 (2.04 GHz Quad-Core)
Installed Memory8GB DDR4
Included HDD Capacity48TB (4 x 12TB)
Drive CompatibilityOP-HD12.0N
RAIDRAID 0, 1, 5, 6, 10, and JBOD
Supported ProtocolsTCP/IP
LEDsPower, HDD (Hard Disk Drive), LAN (10/100)
Power100-240 VAC 50/60Hz
Power Consumption62.85W
UsageHigh read/write performance with RAID
Temperature0°C - 40 °C
Humidity0-80% RH non-condensing
Dimensions29.0 x 16.93 x 1.74 in
Weight18.69 lbs.
Package ContentsTeraStation, Quick Setup Guide, AC Cable, and Warranty Statement
Peso di spedizione12.93 kg
Dimensioni del pacco589 × 546 × 213 mm

Altre versioni di questo modello

altri 4 nella stessa gamma

Stessa famiglia, con memoria, dissipatore o frequenza diversi — confronti prima di decidere.

Domande su questo articolo

Do I need to buy hard drives separately for the TS5420RN4804?

The unit ships with four 12 TB NAS-grade drives installed, giving 48 TB total capacity and a pre-configured RAID array.

Can I connect my existing 1 GbE switch to the 10 GbE port?

The 10 GbE RJ-45 port auto-negotiates down to 1 GbE, so a legacy switch works without extra cabling.

How can I confirm the RAID array is healthy after first boot?

The front-panel HDD LEDs show green for normal operation and the web dashboard reports RAID status and drive health.

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