---
product_id: 191067318
title: "STM Dux Shell for Microsoft Surface Pro X (2019/2020/2021) - Durable and Protective Case - Black"
brand: "stm"
price: "€ 160.32"
currency: EUR
in_stock: true
reviews_count: 12
category: "Stm"
url: https://www.desertcart.be/products/191067318-stm-dux-shell-for-microsoft-surface-pro-x-2019-2020
store_origin: BE
region: Belgium
---

# Transparent design showcase 180° Infinity Hinge flexibility Mil-Spec drop-tested durability STM Dux Shell for Microsoft Surface Pro X (2019/2020/2021) - Durable and Protective Case - Black

**Brand:** stm
**Price:** € 160.32
**Availability:** ✅ In Stock

## Summary

> 🖤 Rugged meets refined—protect your Surface Pro X in style!

## Quick Answers

- **What is this?** STM Dux Shell for Microsoft Surface Pro X (2019/2020/2021) - Durable and Protective Case - Black by stm
- **How much does it cost?** € 160.32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/191067318-stm-dux-shell-for-microsoft-surface-pro-x-2019-2020)

## Best For

- stm enthusiasts

## Why This Product

- Trusted stm brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek Transparent Shell:** Show off your Surface Pro X’s iconic design or personalize with photos and ID tags.
- • **Military-Grade Protection:** Survives 26 drops from 4 feet—your Surface’s ultimate bodyguard.
- • **Stable Multi-Angle Viewing:** Rock-solid support for both portrait and landscape setups—work or binge, uninterrupted.
- • **Versatile 180° Infinity Hinge:** Seamlessly switch between typing, drawing, and viewing modes with fluid ease.
- • **Precision Fit for Surface Pro X:** Tailored compatibility for 2019, 2020, and 2021 models ensures perfect access to all ports.

## Overview

The STM Dux Shell is a lightweight yet ultra-durable protective case designed specifically for Microsoft Surface Pro X (2019-2021). Mil-Spec tested for drop resistance, it features a unique transparent back to showcase your device’s design, a 180-degree infinity hinge for versatile use, and stable viewing angles for maximum productivity and comfort.

## Description

The STM Dux Shell is a stylish and robust case crafted to safeguard your Microsoft Surface. It features a unique transparent back panel that lets the sleek design of your device shine through. Despite its slim and lightweight profile, it offers exceptional protection.

Review: Great she’ll! - One of the only shells I could find for this surface, it’s the BEST one. Durable, and quality. No issues at all.
Review: good cover access to all ports tough and rugged for sure adds some weight and size - tough case a little bulky but tough. allows the factory keyboard to cover and connect to all ports.

## Features

- Mil-Spec Approved: Tested to meet or exceed U.S. Dept. of Defense Standard 810G protocols, including 26 drops from 4 feet.
- Infinity Hinge: Accommodates a full 180-degree range of angles for versatile typing, drawing, and viewing.
- Stable Viewing Options:Offers maximum stability for both portrait and horizontal viewing positions.
- Transparent Case: Allows for personalization with photos or ID tags, or lets your device’s design shine through.
- Model Compatibility:Compatible with Microsoft Surface Pro X models from 2019, 2020, and 2021.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B084LBDQ4S |
| Additional Features | Lightweight |
| Age Range Description | Adult |
| Best Sellers Rank | #7,636 in Tablet Cases |
| Brand | STM |
| Built-In Media | STM Dux Shell for the Microsoft Surface Pro X- Black |
| Color | Black transparent |
| Compatible Devices | Microsoft Surface Pro X |
| Compatible Tablet Computer Models | Microsoft Surface Pro X |
| Customer Reviews | 4.6 4.6 out of 5 stars (52) |
| Enclosure Material | Polycarbonate |
| Form Factor | Case |
| Item Dimensions | 11.81 x 8.46 x 0.75 inches |
| Item Type Name | STM Dux Shell for Microsoft Surface Pro X 2019/2020/2021 - Rugged and Protective case - Black (STM-222-261L-01) |
| Item Weight | 0.58 Kilograms |
| Manufacturer | STM |
| Mfr Part Number | STM-222-261L-01-01 |
| Model Number | STM-222-261L-01-01 |
| Pattern | Solid |
| Shell Type | Hard |
| UPC | 765951764622 |
| Unit Count | 1.0 Count |
| Warranty Description | Please contact Customer Service for Warranty information |

## Product Details

- **Brand:** STM
- **Color:** Black transparent
- **Compatible Devices:** Microsoft Surface Pro X
- **Form Factor:** Case
- **Shell Type:** Hard

## Images

![STM Dux Shell for Microsoft Surface Pro X (2019/2020/2021) - Durable and Protective Case - Black - Image 1](https://m.media-amazon.com/images/I/71pQEEmz0AL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great she’ll!
*by C***N on February 26, 2026*

One of the only shells I could find for this surface, it’s the BEST one. Durable, and quality. No issues at all.

### ⭐⭐⭐⭐⭐ good cover access to all ports tough and rugged for sure adds some weight and size
*by M***. on December 15, 2025*

tough case a little bulky but tough. allows the factory keyboard to cover and connect to all ports.

### ⭐⭐⭐⭐⭐ Very durable
*by H***R on January 21, 2025*

Very durable! Easy to install, however it makes plugging accessories in a bit difficult. It also makes it SUPER freaking heavy. But I’d rather it be protected! I’ve already dropped it several times and it has held up perfectly.

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**Shop now:** [https://www.desertcart.be/products/191067318-stm-dux-shell-for-microsoft-surface-pro-x-2019-2020](https://www.desertcart.be/products/191067318-stm-dux-shell-for-microsoft-surface-pro-x-2019-2020)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-05-06*