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Rackmount NAS unit, matte black finish, front drive bays and status LEDs

Buffalo Technology

Buffalo Technology TS3430RN0402 4-Bay NAS 4TB 2GB DDR4

SKU CH-Z37W-1XCA1 MPN TS3430RN0402

Four-bay rackmount NAS with 4 TB pre-installed storage, quad-core processor, 2.5 GbE and 1 GbE ports, plus USB 3.0 expansion

  • CPUAnnapurna Labs Alpine Processor AL-524 2.0 GHz Quad-core
  • Form factor4-Bay
  • Port count1 × 1GbE
  • Power draw33.88 W
  • Supported standardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
  • LAN ports1 × 2.5GbE + 1 × 1GbE

Included HDD Capacity 4TB (2 x 2TB)

Model Partially Populated

  • Quad-core processor handles demanding workloads
  • 5GbE port speeds up network transfers
  • RAID 0, 1, 5, 6, 10 and JBOD protect data
  • Four drive bays allow capacity expansion
  • USB 3.0 ports connect external storage fast

TeraStation 3030 4-Bay NAS

The Buffalo TeraStation 3030 TS3430RN0402 is a rackmount network storage appliance with four drive bays. It ships with two 2 TB hard drives for a total of 4 TB usable capacity. An Annapurna Labs AL-524 quad-core processor at 2.0 GHz and 2 GB of DDR4 memory handle file services and RAID management. The unit includes a rail kit for standard rack installation.

Network connectivity and expansion

Two Ethernet ports provide 2.5 GbE and 1 GbE links for LAN access. Three USB ports — two USB 3.0 and one USB 2.0 — allow external storage or printer sharing. The device supports RAID 0, 1, 5, 6, 10 and JBOD for data protection or capacity aggregation. Buyers who need more than two native network ports or built-in 10 GbE should consider other platforms.

Four-bay SATA capacity

The chassis accepts four SATA drives, and only two bays are populated at delivery. This leaves two empty bays for future expansion or for configuring higher RAID levels that require additional drives. If your deployment requires all four bays filled immediately, you must purchase extra drives separately.

How it compares

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

Price $737.99
Pricier than about 59% of the 230 comparable items (median $562.49).

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Specifications

Product
Brand nameBUFFALO
Product lineTeraStation 3030
Model nameTS3430RN0402
Part numberTS3430RN0402
Product typeRackmount NAS
Recommended useHigh read/write performance with RAID
Processor
CPUAnnapurna Labs Alpine Processor AL-524 2.0 GHz Quad-core
Memory
Installed RAM2 GB DDR4
Storage
Drive interface4 x SATA (4 x Bay)
Drives included4 TB (2 × 2 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 × 1GbE
LAN ports1 × 2.5GbE + 1 × 1GbE
USB ports2 x USB3.0 + 1 x USB2.0
Power
Power draw33.88 W
Power details100-240 VAC 50/60 Hz
Size & build
Form factor4-Bay
Product dimensions16.9 × 16.9 × 1.7 in
Product weight13.9 lb (6.31 kg)
Shipping weight11.02 kg
Package size584 × 536 × 201 mm
Compatibility
Compatible drivesOP-HD2.0N
In the box
In the boxTeraStation, Railkit, Quick Setup Guide, AC Cable, and Warranty Statement
Environment & compliance
Temperature range0 °C - 40 °C
Humidity range10-80% Non-condensing
More details
Indicator lightsPower, HDD (Hard Disk Drive), LAN (10/100)

Other versions of this model

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Questions about this item

How do I verify the NAS is operating correctly after connecting it to the network?

The front panel LEDs for Power, HDD activity, and LAN (10/100) will illuminate to show the system is powered, drives are active, and network links are established.

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

The package includes the TeraStation, railkit, quick setup guide, AC cable, warranty statement, and two 2TB drives pre-installed; additional OP-HD2.0N compatible drives are sold separately to fill the remaining two bays.

Should I choose the 4TB model or a larger capacity for my RAID 5 array?

This model provides 4TB total (2 x 2TB) and supports RAID 5 across all four bays; adding two more OP-HD2.0N drives expands usable capacity while keeping single-drive redundancy.

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