Introduction

Dell Technologies has released an update on the D-MSS-DS-23 certification exam, confirming supported languages, product versions, knowledge area weightings, and preparation guidelines. Aimed at storage solution design specialists, this exam is a core component of the Dell Proven Professional certification program.

Background

The D-MSS-DS-23, or Midrange Storage Solutions Design 2023, assesses IT professionals’ ability to design midrange storage architectures. The exam focuses on Dell Unity 5.2 and PowerStore 3.0, covering key areas such as design principles, capacity planning, performance evaluation, data protection, and migration strategies.

Target candidates include system architects, solution designers, and senior storage consultants. As part of the Dell Proven Professional track, this certification holds strategic importance for advancing careers in storage architecture.

Key Updates and Exam Details (2025)

According to the latest official materials:

Exam products: Dell Unity 5.2 and PowerStore 3.0

Knowledge area distribution:

Midrange storage design best practices – 36%

Capacity planning and design – 40%

Sizing tools and methodologies – 24%

Exam duration: 90 minutes

Available languages: English, Chinese, French, Japanese

Recommended Preparation Skills

Proficiency with Unity Sizer and PowerStore Sizer

Knowledge of replication, snapshots, compression, and other data protection methods

Familiarity with network topology and host connectivity best practices

The exam primarily features scenario-based and design questions, testing candidates’ ability to apply architecture principles and tools in real-world environments.

Industry and Market Impact

With enterprises placing greater emphasis on storage efficiency and scalability, Unity and PowerStore have become central solutions for midmarket data centers worldwide. Achieving the D-MSS-DS-23 certification offers:

Enhanced credibility in architecture roles and project bids

Stronger capabilities in building future-ready data platforms

Expanded expertise in Dell environment solution design and optimization

Deeper understanding of hybrid storage, data protection, and performance tuning

This certification is increasingly recognized as a critical technical benchmark in the midrange enterprise storage market.

Future Outlook

Looking ahead, the D-MSS-DS-23 exam is expected to:

Evolve in line with new Unity and PowerStore releases

Incorporate more design scenarios on NVMe, cloud integration, and AI-driven data analytics

Expand access to practice exams, online labs, and training programs

Strengthen integration with Dell Learning Hub to support collaborative learning

Candidates are encouraged to closely follow Dell’s official exam announcements and training updates to keep their preparation strategies aligned.