Second Screen Signal

Choose the accessory for the problem you have.

These eight options come from manufacturer documentation. They solve different problems. If your existing ports and cables already meet the need, keep using them. These accessories do not add native USB-C video output to a data-only port or guarantee compatibility with every laptop.

Before buying: confirm your laptop ports, operating-system support, and the exact accessory requirements. These are editorial references, not hands-on tests. Other site pages may contain paid links. As an Amazon Associate I earn from qualifying purchases.

You need more ports while traveling

Plugable USBC-7IN1E adds HDMI, Gigabit Ethernet, two USB-A data ports, SD/microSD, and USB-C PD input.

Advertised 4K60 HDMI requires host DP 1.4 Alt Mode. DP 1.2 can limit resolution or refresh. A 100W PD input is not a promise of 100W delivered to the laptop.

Manufacturer specifications

View USBC-7IN1E specifications

You need wired Ethernet

Plugable USBC-E2500 is a 2.5GbE adapter with USB-C and included USB-A adaptation. It supports slower Ethernet rates too.

Actual speed depends on host USB bandwidth, network equipment, and cabling. It does not provide laptop PD charging. Check operating-system support before purchase.

Manufacturer specifications

View USBC-E2500 specifications

You need laptop USB-C video on an HDMI display

Plugable USBC-HDMI converts a video-capable laptop USB-C or Thunderbolt source to HDMI 2.0.

Up to 4K60 depends on the source, display, and HDMI cable. It is directional: laptop USB-C source to HDMI display. It is not HDMI-source-to-USB-C-monitor conversion.

Manufacturer specifications

View USBC-HDMI specifications

You need powered USB peripherals

Plugable USB3-HUB7C provides seven USB-A ports, USB 3.0 5Gbps, and an included 36W power supply. Two ports support BC 1.2 device charging.

It is not laptop USB-C PD charging or Alt Mode video. The manufacturer revision and retailer bundle may differ, so do not assume an included USB-C host cable.

Manufacturer specifications

View USB3-HUB7C specifications

You need to share USB peripherals

Plugable USB3-SWITCH2 switches USB 3.0 peripherals between two computers with a button.

Skip it if you use one computer. It is not a monitor KVM, does not pass USB-C Alt Mode or PD, and does not support USB-C or Thunderbolt docking stations. USB-C-only computers need separate USB-A adaptation.

Manufacturer specifications

You need portable NVMe storage

Plugable USBC-NVME is a tool-free USB 10Gbps enclosure for M.2 NVMe sizes 2230, 2242, 2260, and 2280. The SSD is separate.

Skip it if you have M.2 SATA or need a complete portable drive. A USB4 connection does not turn this enclosure into a USB4 PCIe enclosure.

Manufacturer specifications

You need a basic wireless mouse

Logitech M185 Grey is a compact wireless mouse using a USB receiver, with manufacturer support for Windows, macOS, ChromeOS, and Linux.

Skip it if you need Bluetooth or a rechargeable mouse. It needs a suitable USB port or adapter.

Manufacturer specifications

You need to raise a laptop

Twelve South Curve Flex is a folding laptop stand for supported devices at least 8.66 inches wide and up to 7 lb, with a documented 0 to 45 degree keyboard angle.

Skip it if your laptop is outside those size or weight limits. The manufacturer's 22-inch statement refers to the top of a supported laptop screen, not stand height. No comfort or stability outcome is promised.

Manufacturer specifications ยท Hinge guidance

What this guide cannot solve

These native-video accessories cannot add video support that the laptop port does not provide. They cannot guarantee operating-system support, network speed, display compatibility, or a particular retailer bundle. These are manufacturer specifications, not hands-on tests. Confirm the exact documentation before buying.

For a portable-monitor connection, use the connection checker and confirm the exact laptop manual, cable, and power requirements.