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Buffalo TeraStation 5420 four-bay desktop NAS in matte black finish

Buffalo Technology

Buffalo Technology TS5420DN3204 4-Bay 32TB Desktop NAS

SKU CH-9XVR-1VNVY MPN TS5420DN3204

Four-bay desktop NAS with 32 TB of pre-installed NAS-grade 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
  • 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 32TB (4 x 8TB)

Option Fully Populated

  • Ready-to-use storage with 32 TB pre-configured RAID
  • 10 GbE port enables fast transfers without cable upgrades
  • Quad-core 2.04 GHz processor and 8 GB DDR4 handle heavy workloads
  • AES-256 encryption plus snapshot backup protect critical data
  • VMware and Windows Server 2022 certified for virtualization

Ready-to-use 4-bay NAS with 32 TB

The TS5420DN3204 ships with four pre-tested 8 TB NAS-grade drives and a RAID array already configured so small-business teams can start storing files immediately. An Annapurna Labs AL524 quad-core processor at 2.04 GHz and 8 GB of DDR4 memory handle simultaneous backups, virtualization workloads and cloud sync jobs without extra setup.

Straightforward rack or desktop deployment

Four SATA bays accept the included OP-HD8.0N drives using tool-less trays while two USB 3.0 and two USB 2.0 ports provide quick external expansion. The single 10 GbE RJ-45 port works with existing Cat 6a cabling, but buyers who need more than one 10 GbE link or additional 1 GbE ports must add a separate switch.

10 GbE and SATA set the throughput ceiling

Sequential transfers top out at the 10 GbE line rate, while the four SATA channels limit sustained RAID rebuild and parity calculations to the drive media speed. The 8 GB DDR4 is soldered and cannot be expanded, so memory-heavy applications such as large Docker stacks or heavy database caches will hit a hard cap.

Points forts

  • Ready-to-use storage with 32 TB pre-configured RAID
  • 10 GbE port enables fast transfers without cable upgrades
  • Quad-core 2.04 GHz processor and 8 GB DDR4 handle heavy workloads
  • AES-256 encryption plus snapshot backup protect critical data
  • VMware and Windows Server 2022 certified for virtualization

Caractéristiques

BrandBUFFALO
SeriesTeraStation 5020
ModelTS5420DN3204
Part NumberTS5420DN3204
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 Capacity32TB (4 x 8TB)
RAIDRAID 0, 1, 5, 6, 10, and JBOD
Drive CompatibilityOP-HD8.0N
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’expédition8.44 kg
Dimensions du colis363 × 358 × 310 mm

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Questions sur cet article

How can I confirm the TS5420DN3204 is operating correctly after initial setup?

Check that the front Power LED is solid on and each of the four HDD LEDs shows steady activity without red alerts; the management console should report all four 8TB drives healthy and the selected RAID level active.

What ships with the TS5420DN3204 and what must I purchase separately?

The unit arrives with four pre-installed 8TB NAS-grade drives (32TB total), 8GB DDR4 memory, a power cord, and rack-mount brackets; no additional drives or memory modules are required for basic operation.

Which capacity version of the TeraStation 5020 series should I choose for a small business needing 32TB raw storage?

The TS5420DN3204 provides exactly 32TB (4 x 8TB) in a 4-bay desktop chassis; select this model when 32TB matches your capacity plan and you want drives included and RAID pre-configured.

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