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Buffalo TeraStation 5420 four-bay desktop NAS in black finish

Buffalo Technology

Buffalo Technology TS5420DN1604 4-Bay 16TB Desktop NAS

SKU CH-XZFZ-SDPFM MPN TS5420DN1604

Four-bay desktop NAS with 16 TB of pre-installed drives, a quad-core 2.04 GHz processor, 8 GB DDR4 memory, and a native 10GbE port

  • TypeDesktop NAS
  • StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
  • Ports1 x 10GbE
  • Port RJ-451 x 10GbE + 2 x 1GbE
  • Port USB2 x USB3.0 + 2 x USB2.0
  • HDD Interface4 x SATA (4 x Bay)

Included HDD Capacity 16TB (4 x 4TB)

Option Fully Populated

  • Pre-tested NAS-grade drives with RAID pre-configured for immediate deployment
  • Native 10GbE port enables high-speed file transfers without cable upgrades
  • Annapurna Labs AL524 2.04 GHz quad-core processor with 8GB DDR4 memory
  • AES-256 encryption plus 2-factor authentication and snapshot backup for enhanced security
  • VMware and Windows Server 2022 certified for virtualization solutions

4-Bay 16TB Desktop NAS

The Buffalo TeraStation 5420 delivers 16 terabytes of pre-configured storage across four drive bays. It ships with four 4TB NAS-grade hard drives already installed and RAID-ready for small-business file serving, backup targets or virtualization hosts.

Pre-tested drives and RAID presets

Drives arrive tested and the array is pre-configured, so the unit can join the network without a manual build step. Snapshot technology adds near-instant recovery points, while AES-256 encryption and two-factor authentication harden data at rest and in transit.

10GbE and 1GbE network limits

A single 10GbE RJ-45 port handles high-throughput transfers when the switch and cabling support it, while two 1GbE ports provide fallback connectivity. Transfer rates will drop to the slowest link in the path, so environments without 10GbE infrastructure will not reach the top speed.

Points forts

  • Pre-tested NAS-grade drives with RAID pre-configured for immediate deployment
  • Native 10GbE port enables high-speed file transfers without cable upgrades
  • Annapurna Labs AL524 2.04 GHz quad-core processor with 8GB DDR4 memory
  • AES-256 encryption plus 2-factor authentication and snapshot backup for enhanced security
  • VMware and Windows Server 2022 certified for virtualization solutions

Caractéristiques

BrandBUFFALO
SeriesTeraStation 5020
ModelTS5420DN1604
Part NumberTS5420DN1604
TypeDesktop NAS
StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Ports1 x 10GbE
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 Capacity16TB (4 x 4TB)
RAIDRAID 0, 1, 5, 6, 10, and JBOD
Drive CompatibilityOP-HD4.0N
Supported ProtocolsTCP/IP
LEDsPower, HDD (Hard Disk Drive), LAN (10/100)
Power100-240 VAC 50/60Hz
Power Consumption60W
Temperature0°C - 40 °C
Humidity0-80% RH non-condensing
UsageHigh read/write performance with RAID
Dimensions9.1 x 6.7 x 8.5 in
Weight18.1 lbs
Package ContentsTeraStation, Quick Setup Guide, AC Cable, Front Panel Key, and Warranty Statement
Poids d’expédition7.94 kg
Dimensions du colis373 × 363 × 323 mm

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Questions sur cet article

When will the four pre-installed 4 TB SATA drives need replacement?

The unit ships with four 4 TB NAS-grade SATA drives in a pre-configured RAID array; drive lifespan depends on workload, but the hardware supports hot-swap replacement without downtime.

Which resource hits its ceiling first during continuous heavy transfers?

The single 10 GbE port and two 1 GbE ports set the network throughput limit before the Annapurna Labs AL524 quad-core processor or 8 GB DDR4 memory become bottlenecks.

How much heat and power does the NAS produce when running 24/7?

Rated power draw is 60 W from a 100-240 VAC supply; the desktop chassis uses internal fans to dissipate that heat under sustained operation.

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