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# USB 3 Cables

The ZED 2i and ZED Mini connect to the host with a **USB 3.0** cable: USB Type-C plug on the camera side, USB Type-A plug on the host side. Connect them to a USB 3 port of the host to get the maximum resolution and frame rate.

## Choose your USB 3 cable

| Camera                                  | Camera connector                    | Recommended cable                                                                                                                                                                                                                                                               |
| :-------------------------------------- | :---------------------------------- | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| [ZED 2i](/docs/products/cameras/zed/)   | USB Type-C with dual locking screws | [USB 3.0 Type-C Dual Screw Locking Cable](https://www.stereolabs.com/store/products/usb-3-0-type-c-dual-screw-locking-cable), or its [right-angle version](https://www.stereolabs.com/store/products/right-angled-usb-3-0-type-c-dual-screw-locking-cable) where space is tight |
| [ZED Mini](/docs/products/cameras/zed/) | USB Type-C                          | [USB 3.0 Type-C Cable](https://www.stereolabs.com/store/products/usb-type-c-cable). A 1.5 m and a 4 m cable are included with the camera.                                                                                                                                       |

The screws of the locking cables keep the connector in place under vibration, and the cable keeps the IP66 sealing of the ZED 2i. The ZED 2i supports an external cable of up to **10 m (32.81 ft)**.

## Available USB 3 cables

| Cable                                                                                                                                                 | Camera connector                                                           | Lengths                                                                                       | Part numbers                                               |
| :---------------------------------------------------------------------------------------------------------------------------------------------------- | :------------------------------------------------------------------------- | :-------------------------------------------------------------------------------------------- | :--------------------------------------------------------- |
| [USB 3.0 Type-C Cable](https://www.stereolabs.com/store/products/usb-type-c-cable)                                                                    | USB Type-C plug                                                            | 1.5 m, 4 m                                                                                    | CBL-211100, CBL-211200                                     |
| [USB 3.0 Type-C Dual Screw Locking Cable](https://www.stereolabs.com/store/products/usb-3-0-type-c-dual-screw-locking-cable)                          | USB Type-C plug with dual locking screws                                   | 0.3 m, 1.5 m, 3 m, 5 m, 10 m 5 m and 10 m with [power input](#power-input-of-the-long-cables) | CBL-221100, CBL-221200, CBL-221300, CBL-221400, CBL-221500 |
| [USB 3.0 Type-C Right Angle Dual Screw Locking Cable](https://www.stereolabs.com/store/products/right-angled-usb-3-0-type-c-dual-screw-locking-cable) | 90° angled USB Type-C plug with dual locking screws and a rubber flat seal | 0.3 m, 1.5 m, 3 m                                                                             | CBL-222100, CBL-222200, CBL-222300                         |

All the cables have a USB 3.0 Type-A plug on the host side.

| ![USB 3.0 Type-C cable](/_fern-files/_img/85a933a49d607e51a431e489855ae185b05c0b694584d5abd20856eae0589c6b.webp) | ![USB 3.0 Type-C dual screw locking cable](/_fern-files/_img/42780e799988f961b5b07395d6e23391dc342023efae25f893cd34f3a5d92ced.webp) | ![USB 3.0 Type-C right-angle dual screw locking cable](/_fern-files/_img/47d9fd6fc395520ae21c0f38de3d2e3c7505982a06873820d843deecc8079883.webp) |
| :------------------------------------------------------------------------------------: | :---------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------: |
|                                     Standard cable                                     |                                              Dual screw locking cable                                             |                                                Right-angle dual screw locking cable                                               |

## Power input of the long cables

The 5 m and 10 m dual screw locking cables include an **inline USB 3 repeater** in each 5 m segment: one repeater on the 5 m cable, two on the 10 m cable. The repeaters keep the USB 3 signal over the full length of the cable.

Each repeater has a **micro-USB power input**. Use it to inject additional power into the cable when the USB port of the host does not provide enough current to the camera, for example:

* the camera is not detected, or disconnects when it starts streaming;
* the host is a low-power device, or its USB ports are shared with other devices.

To power the cable, connect a USB power adapter with a micro-USB plug to the micro-USB port of a repeater. Without external power, the cable works as long as the host provides enough current to the camera.

On the 10 m cable, power one repeater first. If the connection is still not reliable, power the second repeater too.

> **Warning**
>
> Do not power the repeater from a USB port of the host the camera is connected to. The power of the host USB ports is shared, so the additional power has no effect. Use a separate USB power adapter for each repeater you power.

![Inline USB 3 repeater of the 5 m and 10 m locking cables, with its micro-USB power input. Dimensions in mm.](/_fern-files/_img/baa1b81ca57c243019184ff40274837f03c00992f0989de243eaf243da0c729c.webp)

| Feature             | Value                                                                           |
| :------------------ | :------------------------------------------------------------------------------ |
| Cables              | USB 3.0 Type-C Dual Screw Locking Cable, 5 m (CBL-221400) and 10 m (CBL-221500) |
| Repeater dimensions | 56.5 x 23.8 x 13 mm                                                             |

## Extend a USB 3 connection

USB 3 signals and power degrade with the cable length. Prefer a single locking cable of the right length, with its built-in repeaters and [power input](#power-input-of-the-long-cables), over an extension. If you add a third-party USB 3 extension cable:

* Use a USB 3 extension rated for the full USB 3 data rate, and avoid chaining several extensions.
* For extensions **longer than 3 m**, use an active extension with an external **power adapter**, which injects additional power into the line so that the camera receives enough power at the far end.
* Connect the camera directly to a USB 3 port of the host, not through a hub shared with other devices.

If the camera is not detected or drops frames, see [USB 3.0 bandwidth and connection issues](https://support.stereolabs.com/hc/en-us/articles/207635225-How-to-fix-USB-3-0-bandwidth-and-connection-issues).

## Locking cable specifications

The specifications below apply to the dual screw locking cables, straight and right-angled.

| Feature            | Value                                                                                    |
| :----------------- | :--------------------------------------------------------------------------------------- |
| Data rate          | 5 Gbps (USB 3.0)                                                                         |
| Impedance          | 90 Ω ± 9 Ω                                                                               |
| Conductors         | 30/28/24 AWG tinned copper: 1 primary data pair, 2 secondary data pairs, 2 control cores |
| Shielding          | Double aluminum foil and 144/0.12 mm aluminum-magnesium alloy braid                      |
| Outer jacket       | TPE                                                                                      |
| Connector plating  | Nickel                                                                                   |
| Ingress protection | IP66                                                                                     |
| Temperature range  | -20°C to +70°C (-4°F to 158°F)                                                           |
| Bending radius     | 41 mm static, 27.5 mm under load                                                         |
| Flex life          | 3,000 cycles                                                                             |
| Mating cycles      | 10,000                                                                                   |

The technical drawings and wiring of the cables are available in the [USB 3.0 cables datasheet](https://www.stereolabs.com/datasheets).

## 3D models

Download the STEP models of the locking cables to integrate them into your mechanical design:

| Cable                                               | 3D model                                                                                                                                 |
| :-------------------------------------------------- | :--------------------------------------------------------------------------------------------------------------------------------------- |
| USB 3.0 Type-C Dual Screw Locking Cable             | [STEP](https://cdn.sanity.io/files/s18ewfw4/staging/88a1256f8b23c5f20558ea3f608a4a1a0f98e8eb.step/USB-C%20Cable%20-%20Straight.step)     |
| USB 3.0 Type-C Right Angle Dual Screw Locking Cable | [STEP](https://cdn.sanity.io/files/s18ewfw4/staging/355244c1cae029f632e6838462b0645c94711872.step/USB%20Cable%20-%20Right%20Angled.STEP) |

All the 3D models of StereoLabs products are available on the [3D models](https://www.stereolabs.com/3dmodels) page.