A USB‑B to USB‑C cable connects a modern USB‑C device (like a laptop or tablet) to equipment that uses a USB Type‑B port. That includes many printers, scanners, audio interfaces, MIDI keyboards, and some DACs.

• Common uses: Printing, scanning, MIDI/data transfer, and device configuration.
• Data only: These cables typically carry data and limited power; they aren’t a substitute for dedicated chargers.
• Speeds vary: USB 2.0 Type‑B versions can support up to 480 Mbps, while USB 3.x Type‑B options can support higher rates (for example, 5 Gbps) when paired with compatible ports.
• Fit matters: Match the Type‑B shape (standard square Type‑B vs. larger USB 3.0 Type‑B) before you buy.

Checking the device’s port shape and the cable’s USB standard can help you choose confidently.

In USB lingo, “B2C” often refers to a cable with a USB Type‑B plug on one end and a USB Type‑C plug on the other. It’s used to connect a USB‑C host to devices that have Type‑B ports.

• Type‑B styles: USB 2.0 Type‑B (square) and USB 3.0 Type‑B (larger with an extra notch). There’s also Micro‑B (commonly on external drives) which is different.
• Typical gear: Printers, scanners, MIDI controllers, and some pro audio equipment.
• How to pick: Compare your device’s port shape to photos on the item page, and check the listed USB version (2.0 vs. 3.x) to align with your device’s capabilities.

Using connector filters on the page can help narrow the right match.

You don’t need to change the port—just use the right cable or adapter. A direct USB‑C to Type‑B cable is the simplest route.

1. Identify the port: Is it standard Type‑B (square), USB 3.0 Type‑B (larger), or Micro‑B (often on drives)?
2. Match ends: Choose a cable with a USB‑C plug for your host and the correct Type‑B (or Micro‑B) plug for your device.
3. Check specs: Align the USB version and length with your needs; shorter cables can help maintain performance.
4. Set up: Install any required drivers and, for phones/tablets, enable OTG if needed. Power delivery over these cables is limited.

This approach can help establish a reliable connection without modifying hardware.

Use a USB‑C to USB‑C cable when both devices have USB‑C ports—like connecting a laptop to a hub, a phone to a charger, or two USB‑C accessories.

• Charging: Look for the cable’s Power Delivery (PD) wattage rating that aligns with your charger and device.
• Data: Check the USB speed (USB 2.0, 3.2 Gen 1, etc.) to match your transfer needs.
• Video: If you need display support, confirm the cable and devices support the appropriate Alt Mode.
• Not for Type‑B ports: Printers and scanners with Type‑B inputs require a B‑to‑C cable instead.

Using connector filters can quickly surface the correct C‑to‑C option.

External drives commonly use USB 3.0 Micro‑B (a wider, two‑part connector) or USB 2.0 Micro‑B (smaller, tapered). Some newer enclosures use USB‑C. The right cable depends on that port.

• Identify the port: Compare your drive’s connector to product photos—USB 3.0 Micro‑B is noticeably wider than 2.0 Micro‑B.
• Match the host: Choose a cable with USB‑C (or USB‑A) on the host end and the correct Micro‑B on the drive end.
• Performance: For faster transfers, pair a USB 3.x‑rated cable with a compatible drive and port.
• Length and build: Shorter, well‑shielded cables can help maintain stable connections.

If you’re unsure, checking the device manual or the item page’s specifications can help.