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Gray aluminum four-bay RAID enclosure with front drive trays and status LEDs

Yottamaster

Yottamaster 4 Bay RAID USB3.0 Enclosure 150W 72TB FS4RU3

SKU CH-RBBW-CYKPM

Four-bay SATA enclosure with hardware RAID 0/1/3/5/10/JBOD/CLONE, 72 TB total capacity, USB 3.0 host link and 150 W power supply

  • Size2.5 in/3.5 in
  • Drive interface2.5 in & 3.5 in
  • External connection1:1
  • Supported drivesWith RAID
  • Bay count4 Bay
  • Max capacity per bayUp to 18 TB
  • Supports up to 72TB total capacity across four bays
  • Hardware RAID 0, 1, 3, 5, 10, JBOD and Clone modes included
  • USB 3.0 interface for broad Windows, Mac and Linux compatibility
  • Aluminium chassis with built-in fan keeps drives cool
  • Tool-free hot-swap trays accept both 2.5" and 3.5" SATA drives

Four-bay SATA RAID enclosure

The Yottamaster FS4RU3 is a new aluminum enclosure that holds four 2.5-inch or 3.5-inch SATA drives. It connects over USB 3.0 and includes a 150 W power adapter with active cooling. Hardware RAID 0, 1, 3, 5, 10, JBOD and clone modes are selectable without host software.

Suited for multi-drive desktop archives.

Editors, photographers and small offices that want hardware RAID 0, 1, 3, 5, 10, JBOD or clone modes without a host bus adapter will benefit. Builders who need a bus-powered or single-drive enclosure should consider other form factors.

72 TB maximum raw capacity

Each bay accepts drives up to 18 TB, giving a total addressable space of 72 TB across the four slots. The tray design supports hot-swap insertion and LED status indication per drive.

How it compares

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

Price $455.99
Pricier than about 90% of the 821 comparable items (median $30.99).

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameYottamaster
Product line4 Bay RAID USB3.0 enclosure
Model nameM.2 SSD Enclosure
Part number6954301194118
Product colorGray
Product typeEnclosure
Storage
Drive interface2.5 in & 3.5 in
Supported drivesWith RAID
Bay count4 Bay
Max capacity per bayUp to 18 TB
Ports & slots
External connection1:1
Power
Power adapterYes
Power details12V2A
Size & build
Size2.5 in/3.5 in
Main materialAluminum
Product dimensions?10.43 × 5.39 × 6.57 in
Product weight?7.54 lb
In the box
In the box1pc 4 Bay Hard Drive Enclosure
More details
Cooling fansYes

Questions about this item

How often does the cooling fan need cleaning or replacement?

The enclosure includes a built-in fan; keep its vents clear of dust for steady airflow.

What caps the sustained transfer rate during long RAID rebuilds?

The USB 3.0 link limits throughput to 5 Gbps, so the host connection is the first bottleneck.

How loud and hot does the unit get when all four drives run continuously?

Aluminum chassis and the internal fan dissipate heat from up to four drives; noise stays at typical desktop-enclosure levels.

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