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A compact green circuit board with a USB-C connector and five SATA ports plus a silver heatsink

SMUGDESK

SMUGDESK USB 3.1 Gen 2 Type-C to 5-Port SATA 3.0 Port Multiplier Adapter

SKU CH-BPS4-KHXSD

Adds five SATA 3.0 ports through a single USB 3.1 Gen 2 Type-C connection using dual JMicron JMS580 and JMB575 chipsets for 10Gbps total bandwidth

  • Connect five drives through one Type-C link
  • 10 Gbps host bandwidth keeps every drive fast
  • Dual JMicron chips handle bridging and port multiplication
  • Passive aluminium heatsink enables 24/7 operation
  • Hot-swap and UASP support across Windows, macOS, Linux

USB 3.1 Gen 2 Type-C to 5-Port SATA Adapter

This adapter connects up to five SATA 3.0 drives through a single USB 3.1 Gen 2 Type-C port. It targets users who need mass storage expansion on systems with limited native SATA connectivity. The dual JMicron chipset manages bridging and port multiplication for simultaneous drive access. It suits embedded, surveillance, and NAS environments requiring 24/7 operation.

Dual JMicron JMS580 and JMB575 Chipset

The JMS580 bridges the 10Gbps USB link to a single SATA channel with UASP and TRIM support. The JMB575 multiplies that channel into five independent SATA 3.0 ports using command-based and FIS-based switching. Staggered spin-up reduces inrush current during multi-drive startup. An integrated aluminum heatsink passively cools both chips for sustained reliability.

Five SATA 3.0 Ports at 6Gbps Each

Every port delivers the full SATA 3.0 6Gbps rate and remains backward compatible with SATA 2.0 and SATA 1.0 drives. The shared 10Gbps upstream link becomes the bottleneck when multiple drives transfer data simultaneously. Builders needing more than five drives or dedicated bandwidth per drive must add a second adapter or choose a different topology.

Highlights

  • Connect five drives through one Type-C link
  • 10 Gbps host bandwidth keeps every drive fast
  • Dual JMicron chips handle bridging and port multiplication
  • Passive aluminium heatsink enables 24/7 operation
  • Hot-swap and UASP support across Windows, macOS, Linux

Specifications

No published specifications for this item yet.

Questions about this item

Does the JMB575 port multiplier chip need any firmware updates or periodic maintenance?

The JMB575 port multiplier operates without user-serviceable firmware and has no moving parts, so no scheduled maintenance is required.

What throughput limit appears first when all five SATA 3.0 drives run continuously?

The single USB 3.1 Gen 2 Type-C link caps total bandwidth at 10 Gbps, so the host connection saturates before the individual 6 Gbps SATA ports.

How hot does the aluminum heatsink get during 24/7 operation with five drives?

The built-in passive heatsink is designed for stable continuous use in embedded and surveillance systems, keeping chip temperatures within safe limits without a fan.

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