External Hard Drive Enclosure Fantec QB-35US3R Black

The Fantec QB-35US3R Black is an external hard drive enclosure for up to four 3.5" SATA drives. It provides a metal chassis, easy installation and flexible connectivity with USB 3.0 and eSATA interfaces, while remaining compatible with USB 2.0 and USB 1.1. An internal RAID controller supports multiple RAID modes without requiring additional hardware, making the enclosure suitable for high-capacity storage and backup setups.

Advantages

The enclosure includes an internal RAID controller that supports RAID 0, 1, 3, 5, 10 and BIG modes, enabling software-free RAID configurations. It offers dual-interface connectivity (USB 3.0 and eSATA) for high-speed transfers and backward compatibility with older USB standards. The device features automatic fan control based on a built-in thermal sensor plus a manual mode with three speed levels for reliable cooling and reduced noise when temperatures are low.

Suitable for

• Local data storage and archival for home or small office
• Backup and redundancy setups using RAID 1, 5 or 10
• High-capacity media storage and video projects
• Transfer of large files over USB 3.0 or eSATA

Key specifications

• Model: Fantec QB-35US3R (MPN 1519)
• Form factor supported: 4 × 3.5" SATA drives
• Interfaces: USB 3.0, eSATA (backward-compatible with USB 2.0 and USB 1.1)
• Internal RAID controller: RAID 0/1/3/5/10 & BIG
• Material: Metal; Colour: Black
• Weight: 3 kg

How to use

Install up to four 3.5" SATA drives into the enclosure according to the included mounting instructions and connect the enclosure to a host computer via USB 3.0 or eSATA. Configure the desired RAID mode using the enclosure's RAID settings (refer to the supplied manual for mode selection and initialization). When connected via USB 2.0 or USB 1.1, the enclosure will operate at the respective interface speeds.

Recommendations

Monitor operating temperatures and allow sufficient ventilation. Use RAID configurations appropriate to your needs: choose RAID 0 for performance, RAID 1/5/10 for redundancy, and BIG for maximum capacity. For critical data, maintain regular backups in addition to RAID protection.