# Laptop Dock Satechi ST-U4MA3M USB Type-C Grey 100W Power Delivery

**URL:** https://aio.lv/en/product--satechi-st-u4ma3m--4775697
**Data updated:** 2025-12-29 17:40 (EET)
**Category:** Docking Stations
**Manufacturer:** Satechi
**Manufacturer code:** ST-U4MA3M
**EAN:** 0810086360383
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 103.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 85.94 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--satechi-st-u4ma3m--4775697

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The Satechi ST-U4MA3M Laptop Dock features USB Type-C connectivity, 100W Power Delivery, and supports Ethernet LAN data rates of 1000 Mbit/s. It is compatible with MicroSD and SD memory cards and offers a maximum refresh rate of 60 Hz. This dock enhances your laptop's connectivity and functionality, making it ideal for both work and entertainment.

## Long description

The Satechi USB4 Multiport Adapter with 8K HDMI (model ST-U4MA3M) expands a laptop's connectivity through a single USB‑C connection. It supports USB4 protocols for improved bandwidth management, an 8K-capable HDMI output, two 10 Gbps USB‑A data ports, one USB‑A 2.0 port, Gigabit Ethernet (1000 Mbit/s), SD and MicroSD card readers, and up to 100W USB‑C Power Delivery charging. The adapter features a grey finish and a rugged design to aid heat dissipation.
Advantages
The dock consolidates multiple ports into one compact adapter, enabling high-resolution display output up to 8K via HDMI while offering fast data transfer through USB‑A ports and card readers. Gigabit Ethernet provides stable wired network access and the 100W USB‑C PD port allows laptop charging while connected. Its sturdy construction improves thermal performance during extended use.
Suitable for
 Connecting external 8K/4K displays to a USB‑C/USB4 laptop
 Expanding ports for workstations with limited built‑in I/O
 Transferring data from SD and MicroSD cards
 Reliable wired network connections for video conferencing and large file transfers
 Charging a laptop or powering USB‑C devices while using peripherals
Key specifications
 Model: Satechi ST-U4MA3M
 Interface: USB‑C (USB4 protocols supported)
 HDMI: 1 × 8K-capable HDMI output (max refresh rate 60 Hz)
 USB‑A: 2 × USB 3.2 Gen 1 (10 Gbps) data ports, 1 × USB 2.0 port
 Card readers: SD and MicroSD slot
 Ethernet: 1 × Gigabit Ethernet (1000 Mbit/s)
 Power Delivery: Up to 100W USB‑C PD
 Colour: Grey
How to use
Connect the adapter to your laptop's USB‑C/USB4 port. Attach an HDMI cable from the adapter to an external display and configure the display settings on your computer if needed. Plug USB devices into the USB‑A ports, insert SD or MicroSD cards into the corresponding slots to transfer files, and connect an Ethernet cable for wired network access. Use the USB‑C PD port to connect a compatible 100W charger or to provide power from the host if supported.
Usage recommendations
For optimal video performance, use high-quality HDMI cables rated for the target resolution and ensure your laptop's USB‑C port supports the necessary video and bandwidth features of USB4. Keep ventilation around the adapter during extended heavy use to assist heat dissipation.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 2.0 ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| Host interface | USB Type-C |
| HDMI ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB Power Delivery (USB PD) | Yes |
| USB Power Delivery up to | 100 W |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN data rates | 1000 |

### Performance

| Feature | Value |
|---|---|
| Compatible memory cards | MicroSD (TransFlash), SD |
| Product colour | Grey |
| Card reader integrated | Yes |
| Maximum refresh rate | 60 Hz |
| Hub interfaces | 3.5mm, HDMI, RJ-45, USB 2.0, USB 3.2 Gen 1 (3.1 Gen 1) Type-A, USB Type-C |

## FAQ

### How much does the Laptop Dock Satechi ST-U4MA3M cost, and is it available for purchase?

The price is 103.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 98 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Laptop Dock Satechi ST-U4MA3M be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Satechi products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Satechi service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: usb 3.2 gen 1 (3.1 gen 1) type-a ports quantity, ethernet lan (rj-45) ports, hdmi ports quantity, usb 2.0 ports quantity, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4775697/65707955_large.webp