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Silver rectangular external hub with USB-C and SD card slots

SIIG, Inc

SIIG, Inc JU-TB0212-S1 Thunderbolt 3 Card Reader

SKU CH-8XB2-9WYFC MPN JU-TB0212-S1

Adds Thunderbolt 3, USB-C, dual USB-A ports plus SD and microSD slots while delivering up to 87 W pass-through charging for 13" or 15" MacBook Pro models

  • Interface typeUSB Type C
  • Product typeFlash Reader/USB Hub Combo
  • In the boxThunderbolt 3 USB-C Hub with Card Reader & PD Adapter - Silv
  • Adds multiple ports instantly with Thunderbolt 3 certified hub
  • Charges 13" MacBook Pro at 61W via USB-C PD
  • Charges 15" MacBook Pro at 87W via USB-C PD
  • Reads SD and microSD cards up to 2TB capacity
  • Compact 1.1" wide design weighs only .80 oz

Thunderbolt 3 USB-C Hub with Card Reader

The SIIG JU-TB0212-S1 adds a Thunderbolt 3 port, a USB-C port and two Type-A ports plus SD and microSD slots to a MacBook Pro 13 or 15 inch. It is built for creative professionals who need fast peripheral connectivity and memory-card ingest in a single compact adapter.

Thermals noise and power delivery

The hub passes up to 61W or 87W Power Delivery to charge a 13 or 15 inch MacBook Pro at full speed from a compatible PD adapter. Thunderbolt certification ensures stable operation without added fan noise or thermal throttling during sustained 40Gbps data transfers.

Upgrade path and value

This replaces a collection of single-function dongles by consolidating video, data and card-reader duties into one device. The jump is worth it when you regularly move large media files from UHS-I cards and need simultaneous 5K display output and laptop charging.

How it compares

Measured against everything we stock in USB & Internal Card Readers, at today’s prices. Recalculated every night.

Price $31.99
Pricier than about 75% of the 511 comparable items (median $18.99).

Specifications

Product
Brand nameSIIG
Product typeFlash Reader/USB Hub Combo
Ports & slots
Interface typeUSB Type C
Size & build
Shipping weight0.05 kg
Package size160 × 62 × 25 mm
In the box
In the boxThunderbolt 3 USB-C Hub with Card Reader & PD Adapter - Silver
User Reference Guide

Questions about this item

How do I install the Thunderbolt 3 hub and what step is often missed?

Connect the hub to a Thunderbolt 3 USB-C port on your MacBook Pro 13" or 15" using the included cable. The step often missed is using a PD-compatible power adapter plugged into the hub's Thunderbolt 3 port to enable 61W or 87W charging while the hub is in use.

What maintenance or replacement will the card reader need later?

The SD and microSD slots have no moving parts and require no scheduled maintenance. If a slot becomes loose or stops reading UHS-I cards up to 2TB, the entire hub must be replaced as the reader is not serviceable separately.

What limit appears first during sustained heavy transfers?

The three USB 3.1 Gen 1 ports share a combined 5Gbps bandwidth ceiling, so simultaneous large-file copies to multiple drives will hit that aggregate limit before the Thunderbolt 3 upstream link reaches its 40Gbps maximum.

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