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Silver aluminium four-bay desktop enclosure with front drive trays and top vent

TERRAMASTER

TERRAMASTER D4-300 80TB USB 3.1 Type-C 4-Bay Drive Enclosure

SKU CH-57TJ-CTTNS

Four-bay direct-attached storage enclosure holds up to 80 TB across 3.5" or 2.5" SATA drives with USB 3.1 Type-C connectivity and a temperature-controlled low-noise fan

  • Size2.5" & 3.5"
  • ColorSilver
  • External InterfaceUSB 3.1 Type-C gen1
  • AC AdapterYes
  • MaterialAluminum
  • Internal InterfaceSATA III

Model 4 Bay D4-300 USB 3.1

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  • Up to 80TB total capacity using four 20TB drives
  • Sequential read speeds up to 410MB/s via USB 3.1 Gen 1 Type-C
  • Driver-free operation on Windows, Mac and Linux
  • Hot-swap bays let you insert or remove drives in seconds
  • Aluminium chassis with temperature-controlled low-noise fan

TerraMaster D4-300 80TB DAS enclosure

The TerraMaster D4-300 is a four-bay direct-attached storage enclosure that connects through a USB 3.1 Type-C Gen1 interface. It accepts 3.5-inch or 2.5-inch SATA drives and provides up to 80TB of total capacity. The aluminium chassis includes a temperature-controlled fan for quiet operation. No drivers are required for Windows, macOS or Linux.

Suited to single-system backup and NAS expansion

This unit fits users who need large local storage for photos, video, documents or music on one computer or who want to add capacity to a compatible TerraMaster NAS. It does not support RAID, so buyers who need hardware redundancy or multi-user network access should consider a NAS appliance instead.

Single-system USB 3.1 Gen1 connection

The enclosure relies on a single USB 3.1 Gen1 Type-C link for both data and power to the host. That 5Gbps connection determines the maximum transfer rate and means the device serves only one computer at a time unless attached to a NAS that can share it.

商品特色

  • Up to 80TB total capacity using four 20TB drives
  • Sequential read speeds up to 410MB/s via USB 3.1 Gen 1 Type-C
  • Driver-free operation on Windows, Mac and Linux
  • Hot-swap bays let you insert or remove drives in seconds
  • Aluminium chassis with temperature-controlled low-noise fan

商品規格

BrandTerraMaster
Size2.5" & 3.5"
ColorSilver
External InterfaceUSB 3.1 Type-C gen1
AC AdapterYes
MaterialAluminum
Internal InterfaceSATA III
FanYes
TypeEnclosure
HDD Count SupportedWithout RAID
Number of Bay4 Bay
Maximum Capacity (per Bay)Up to 20TB
PowerDC IN 12V
Dimensions227 x 225 x 136 mm
WeightNet weight: 2.1 Kg Gross Weight: 3.5Kg
Operating Systems SupportedWindows OS, Mac OS, Linux OS
Package ContentsHost unit (x1)
Power cord (x1)
USB Cable A to Type-C(10Gb) (x1)
Quick Installation Guide (x1)
Power adapter (x1)
Screws (several)
Limited Warranty Note x 1

其他版本

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同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

Should I fill all four bays with 20 TB drives to reach the 80 TB total or start smaller?

Each bay accepts up to 20 TB, so four 20 TB drives give the full 80 TB. You can begin with fewer or smaller drives and add more later because the enclosure is diskless and hot-swappable.

The spec sheet quotes 410 MB/s sequential read — what speed will I actually see over the USB 3.1 Type-C link?

Testing with a 250 GB SATA SSD produced 417.8 MB/s read and 369.5 MB/s write, so real-world transfers sit near the quoted figure when the drive itself can keep up.

The box says USB 3.1 Gen 1 Type-C — what does that cap in practice?

The port runs at 5 Gbps, and the included A-to-C cable is rated for 10 Gbps, so the connection itself will not bottleneck SATA drives that top out around 410 MB/s.

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