100W USB C Charger Block 4-Port PD PPS GaN - Fast Desktop Charging

In this review of the 100W USB C Charger Block the bottom line is simple: this desktop charging station is for people who need to power multiple modern devices quickly from a single outlet. The reviewer found it most valuable for laptop-and-phone users who want to replace several single-port adapters and tidy up a desk or travel bag. With two USB-C ports and two USB-A ports sharing up to 100W and GaN safety tech, it aims to be a compact, high-output replacement for older chargers while keeping a 5ft AC cord for flexible placement.

Key Features

• 4-Port Design: Two USB-C and two USB-A ports let a user charge a laptop, tablet, phone and earbuds simultaneously without swapping adapters.
• 100W Maximum Output: High total power supports fast charging for larger laptops like a MacBook Pro 16in while still feeding phones and tablets at useful speeds.
• PPS and PD Support: Programmable Power Supply and PD fast charge compatibility deliver faster, more efficient charging for compatible Samsung and iPhone models.
• GaN Safety Technology: Gallium nitride components reduce heat and improve efficiency while providing short-circuit and temperature protection for safer daily use.
• 5ft AC Cord Included: The long integrated cord gives flexibility for desk or bedside placement without needing an extension cable.

Who It's For

This charger is well suited to remote workers, students, or travelers who carry a laptop and multiple mobile devices and want to consolidate charging into one compact block. It particularly benefits users of MacBook Pro/Air, iPad Pro, iPhone and modern Android phones that accept PD or PPS fast charging.

It is less appropriate for someone who only needs a single phone charger or who requires bundled device cables; Type-C/A cables are not included so buyers should have their own cables ready. Users who prefer wireless charging pads or dedicated single-device docks should look elsewhere.

Pros & Cons

Pros

• High combined output up to 100W lets a laptop and several peripherals charge together without swapping plugs.
• Two USB-C ports provide PD/PPS fast charging compatibility for modern phones and tablets.
• GaN technology keeps size down and improves thermal performance and safety features.
• The included 5ft AC cord makes it easy to position on a desk or bedside table.

Cons

• Type C and A cables are not included, so the user must supply appropriate cables for each device.
• When maximizing multiple ports' output simultaneously, individual device speeds can be lower than single-device peak rates.

Specifications

Brand	GMM
Ports	2 USB-C + 2 USB-A
Maximum Power	100W
Cord Length	5 ft (1.5 m) AC cord
Technology	PD, PPS, GaN
Included	Charger, user guide, 12 month warranty

Our Verdict

The GMM 100W USB C Charger Block is a practical, value-minded choice for anyone who needs to charge a laptop and multiple mobile devices from a single outlet. Its blend of 100W total power, PD/PPS support and GaN safety tech makes it a compact, efficient replacement for several legacy chargers, provided you already have the required cables.

Frequently Asked Questions

Does this charger include cables?
No. Type C and Type A charging cables are not included; you must use your own cables.

Can it charge a 16in laptop?
Yes. The charger supports up to 100W total output and can fully charge larger laptops when allocated sufficient power from the ports.

Is it safe to leave plugged in overnight?
Yes. The unit uses GaN technology with over-temperature and short-circuit protections to improve safety during extended use.