IcyBox IB-3640SU3 USB-B 3.0 external enclosure for 4 3.5 HDD drives

The IB‑3640SU3 enclosure allows you to install up to four 3.5″ SATA HDD drives in JBOD mode (each drive is visible separately). It connects via USB 3.0 or eSATA interface and supports speeds of up to 5 Gbit/s (USB) and 3 Gbit/s (eSATA). The drives can be inserted and removed without tools. The unit has a built-in 80 mm fan with speed control that automatically adjusts cooling based on temperature. When there is no activity, the unit goes into sleep mode, reducing power consumption. The enclosure is made of aluminum and plastic, offers plug-and-play functionality, and is compatible with Windows and macOS systems.

Specifications:
Model: IB‑3640SU3
Device type: External 4-bay JBOD single unit
Supported drives: 4 × 3.5″ SATA HDD (SATA I/II/III)
Installation: tool-less
Interface to computer: USB 3.0 (5 Gbit/s), eSATA (3 Gbit/s)
RAID / JBOD mode: JBOD (each drive separately)
Hot‑Swap: yes
Fan: 1 × 80 mm, with temperature-controlled speed
Auto sleep mode: yes
Housing material: aluminum + plastic
Color: black
Power supply: external power supply (12 V / 5 A, 60 W)
LED indicators: yes (power, access, fan)
Dimensions (W × D × H): 126 × 215 × 166 mm
Weight: approx. 1.9 kg
Plug & Play: yes
Compatibility: Windows, macOS

Package contents: IB‑3640SU3 enclosure, power supply, USB cable, eSATA cable, HDD brackets, instructions