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Silver aluminium four-bay RAID enclosure with front drive slots and cooling fan

Orico

Orico 9948RU3 4-bay RAID drive enclosure

SKU CH-37JE-XJCMB

Four-bay enclosure holds 2.5 or 3.5 inch SATA drives up to 22 TB each with eight RAID modes, USB 3.0 up to 235 MB/s, 80 mm fan and 150 W power supply

  • Bay count4 Bay
  • Max capacity per bayMore than 16 TB
  • Product colorSilver
  • Main materialAluminum
  • Eight RAID modes including Clone and Clear protect data
  • USB 3.0 delivers up to 235 MB/s transfer speed
  • Four bays accept 2.5 or 3.5 inch SATA drives
  • 150 W power supply keeps multiple high-capacity drives stable
  • Aluminium chassis with 80 mm silent fan cools effectively

Four-bay RAID enclosure

The Orico 9948RU3 is a four-bay RAID enclosure that accepts 2.5 or 3.5 inch SATA hard drives and SSDs. It connects to a host computer over USB 3.0 and provides hardware RAID modes 0, 1, 3, 5, 10, JBOD, Clone and Clear. The aluminium chassis includes an 80 mm silent fan and a 150 W power supply for sustained multi-drive operation.

USB 3.0 bandwidth limit

The USB 3.0 interface delivers up to 5 Gbps, which caps real-world throughput at about 235 MB/s regardless of the RAID mode or the number of drives installed. SATA 6 Gbps drives can be used, but the enclosure cannot exceed the USB link speed. Builders who need higher sustained bandwidth for video editing or large-array rebuilds will hit this ceiling.

88 TB total capacity

Each bay supports drives larger than 16 TB up to a maximum of 22 TB per drive, giving a total raw capacity of 88 TB across the four bays. RAID 5 or RAID 10 configurations provide redundancy while still offering tens of terabytes of usable space. Users who require more than four drives or capacities beyond 22 TB per drive must look to larger enclosures.

How it compares

Measured against everything we stock in External Drive Enclosures, at today’s prices. Recalculated every night.

Price $360.99
Pricier than about 90% of the 821 comparable items (median $30.99).

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Specifications

Product
Brand nameORICO
Product colorSilver
Storage
Bay count4 Bay
Max capacity per bayMore than 16 TB
Size & build
Main materialAluminum

Questions about this item

Should I pick the 9948RU3 in a four-bay layout or look for a five-bay version to reach the 88TB total?

This model has four bays, so with 22TB drives the maximum raw capacity is 88TB.

What does the 235MB/s transfer rate actually deliver when the enclosure is running RAID 5 on four drives?

The 235MB/s figure is the USB 3.0 interface ceiling; sustained RAID 5 throughput will be lower once parity calculation and drive limits are factored in.

Does the USB 3.0 connection limit the SATA 6Gbps drives inside, and by how much?

Yes — the 5Gbps USB 3.0 link caps combined throughput to roughly 235MB/s, well below the 6Gbps SATA potential of each drive.

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