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Rectangular 3.5 inch desktop drive in matte black enclosure

Avolusion

Avolusion PRO-H1 18TB 7200RPM USB 3.2 Gen2 external hard drive

SKU CH-G4T1-3ZP4W

Add 18TB of 7200RPM enterprise storage via USB 3.2 Gen2, pre-formatted exFAT for Windows, MacOS and Xbox

  • Total capacity18 TB
  • Interface typeUSB 3.2
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Massive 18TB capacity stores huge media libraries
  • 7200RPM enterprise drive built for 24/7 operation
  • USB 3.2 Gen2 10Gbps interface moves files fast
  • Silent fan-less chassis keeps noise out of the room
  • Pre-formatted exFAT works on Windows, MacOS and XBOX

18TB desktop external drive

The Avolusion PRO-H1 delivers 18TB of storage in a 3.5-inch desktop enclosure. A 7200 RPM enterprise-grade drive inside is built for continuous 24/7 operation. It connects through a USB 3.2 Gen 2 port running at 10Gbps and is pre-formatted in exFAT for immediate use with Windows or MacOS.

Upgrade from slower or smaller external drives

This unit replaces lower-capacity portable drives or older USB 3.0 models when you need sustained throughput and always-on reliability. The jump is worth it when your workflow demands constant access to large media libraries or system backups without opening the computer case. Plug-and-play simplicity means no internal installation is required.

18TB capacity with fan-less cooling

The 18TB volume comfortably holds extensive game collections, raw video projects and full system images. Silent fan-less operation keeps noise to a minimum during long backup windows. Headroom runs out when multiple simultaneous streams exceed the single-drive mechanical limit or when redundancy is required for mission-critical data.

How it compares

Measured against everything we stock in High-Capacity External Drives, at today’s prices. Recalculated every night.

Price $372.99
Typical for this category: the median of 144 items is $379.99.
Total capacity 18 TB
Higher than about 75% of the 101 comparable items (median 12 TB).
Price per TB $20.72 per TB
Cheaper than about 89% of the 101 comparable items (median $37.00 per TB).

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Specifications

Product
Brand nameAvolusion
Product linePRO-H1
Model namePROH1-18 TB-XF
Total capacity18 TB
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeUSB 3.2
Size & build
Form factor3.5 in (8.89 cm)

Questions about this item

Does the 3.5-inch 18TB drive need an external power supply to run?

Yes, the desktop 3.5-inch form factor requires the included AC adapter for operation.

What file system does the USB 3.2 Gen2 drive ship with, and what must I do for Xbox?

It arrives formatted exFAT for Windows and macOS; reformat to NTFS for Xbox game installs.

Is the 7200 RPM enterprise HDD inside user-replaceable if it fails after 24/7 use?

The sealed chassis is not designed for user drive swaps; replace the whole unit under warranty.

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