ASUS ExpertCenter D3 Mini Tower D3401SFF
Fast, affordable, and flexible
ASUS ExpertCenter D3 Mini Tower is a refreshed budget desktop, with more than enough processing power and reliable components. It's easy to upgrade, so it can become more powerful and versatile as your business grows. D3 Tower features full business security and US military-grade MIL-STD-810G durability standards, with seamless ASUS support to reduce your total cost of ownership.
Productivity
Exceptional performance, whatever the task
To make light work of all your business tasks, ExpertCenter D3 Mini Tower is powered by the latest Intel® Core™processors with fast DDR4 RAM.  Ultrafast solid-state disk (SSD) accelerates app loading and opens files faster. It can support gaming-grade graphic cards for those requiring advanced graphics performance for demanding visual tasks.
Windows 10 Pro
Up to
Core™ i7
9th Gen Intel® CPU
Up to
32GB
DDR4 RAM
Up to
2TB+512GB
HDD+SSD
Up to
RTX 2080
NVIDIA® GeForce®
Connectivity
No compromise I/O ports
A full array of I/O ports ensures D3 Tower is ready to connect to a wide range of business peripherals. Serial and parallel ports are both optional, freeing up the multiple PCI Express slots for additional upgrades.
Reliability
The finest components
ASUS business desktops are designed to give our users 100% reassurance for long-term usage. To achieve this goal, we choose world-leading components that deliver dependable quality and exceptional endurance.
Industry-leading motherboard
100% solid capacitors
World No. 1 motherboard
ASUS business desktops use ASUS motherboards — the world's No.1 brand, with over 45% global market share1 and the most award-winning motherboard brand. They are renowned for offering comprehensive system protection to safeguard hardware, 24/7 stability through extensive testing, and consistent performance.
Industry-leading mean time between failures (MTBF)
ASUS is the only business desktop vendor to offer 100% solid capacitors, which are important for storing charge and regulating voltage. This increases system stability, thermal capacity and longevity, resulting in a top-tier MTBF rating.
Military Grade
Ready for action
ASUS business desktops are solidlybuilt and engineered to meet strict military-grade MILSTD810G durability standards, so it's ready to help your business for years to come.
Learn more about ASUS Business Reliability
Vibration test
Withstand 5~500Hz vibration for 1 hour in all directions
Shock test
Withstand 6 harsh shocks at the speed of 150G/2.5ms
Operation humidity test
Survive 85% humidity, 40°C for 24 hours
Non-operation humidity test
Survive 95% humidity, 60°C for 24 hours
High temperature test
Endure 50°C with power on for 20 hours
Low temperature test
Endure 0°C with power on for 20 hours
Thermal shock test
Endure a sharp change of temperature from -10°C to 50°C
Package drop test
Endure drops from 76cm height, 10 times in each direction
Cold storage test
Endure -40°C for 48 hours in an enclosure
Damp heat storage test
Survive 95% humidity, 60°C for 72 hours
Package vibration test
Withstand 5~200Hz vibration for 30 minutes
Security
Secure and safe solutions
ASUS understands that IT security must evolve to effectively serve as the first line of defense against business disruptions. ASUS business desktops feature sophisticated security features to keep your business, and future, safe.
Chassis Intrusion Alert
Security alerts let you know when the case has been opened2
Kensington Lock Slot and Padlock Slot
Prevent physical theft of the PC from unsupervised locations
USB ports read/write control
Enable/disable the use of USB devices or optical drives
Trusted Platform Module (TPM)
Stores passwords and encryption keys for added security2
Management
Simplifying business processes
Management is made easier with ASUS business desktop PCs. ASUS management solutions help streamline routine tasks, allowing IT staff to remotely control and manage company assets, saving your organization time and money.
Learn more about ASUS Business Management Tools
ASUS Control Center
ASUS Control Center is a centralized IT management suite that's capable of remote management, hardware and software monitoring, and task scheduling via a user-friendly web-based interface, allowing system administrators to conveniently manage company assets through a single portal.
ASUS Business Manager
ASUS Business Manager is a set of program utilities that facilitates the management of individual PCs. This software package features a one-page interface to access system monitoring tools, BIOS updates, USB Blocker data movement controls, and energy-saving controllers.
Service
Maximum support, minimum effort
The ASUS Service Package offers a wider range of solutions that go beyond the standard warranty to meet the needs of business-critical IT environments. The extended offerings protect your business — not just the hardware, but also let you customize a service solution that best meets your needs.
Comprehensive 24x7 support
Hassle-free access to hardware and software experts3
MyASUS App
Lets you reach customer service, repair status, and product instruction, etc.
Pick Up & Return/Onsite service
Enjoy a door-to-door service for effortless3
Warranty extension
Extend service coverage to match the expected length4
Accidental damage protection
Avoid repair costs due to mishaps during normal operation3,4
Defective HDD retention
Retain customers' malfunctioning hard drive while their drive is replaced3,4
Eco-friendly
Preserve the environment
Committed to creating a sustainable future, ExpertCenter products adopt stringent environmental requirements at all stages of the product lifecycle. Certified by Energy Star® 7.1, ASUS Business PC is proven to be energy efficient and eco-friendly.
Efficient power consumption
To ensure a high-efficiency power supply, D3 Tower utilizes top-end capacitors. The power supply features 80 Plus Bronze certification indicating minimum wasted energy, which results in less heat generation and long-term cost savings.5
  • ASUS has secured the #1 spot for motherboard market share, with DigiTimes reporting in 2017 that the Taiwanese PC component giant owned 45% of the motherboard market.
  • Chassis intrusion alert and Trusted Platform Module (TPM) optional.
  • Service and warranty coverage may vary depending on country and territory. Service may not be available in all markets. We recommend that you check with your local retailers to confirm the options available.
  • Must be purchased and activated within 90 days of your ASUS product purchase date via ASUS Premium Care.
  • Unless otherwise stated, all performance claims are based on theoretical performance. Actual figures may vary in real-world situations.
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