Dell OptiPlex 5090 Micro Computer i5-10400T- Windows 11 - Grade A
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Dell OptiPlex 5090 Micro Computer i5-10400T 2.00GHz
The Dell OptiPlex 5090 Micro delivers powerful desktop computing in an ultra-compact form factor that fits seamlessly into any workspace. This refurbished system combines Intel's reliable i5-10400T processor with generous memory and solid-state storage for efficient business operations.
Key Features & Benefits
- Intel Core i5-10400T Processor: 2.00GHz 4-core, 8-thread CPU provides reliable performance for multitasking and business applications
- 16GB DDR4 Memory: Ample RAM for smooth operation of multiple programs simultaneously, expandable up to 64GB
- 256GB SSD Storage: Fast solid-state drive ensures quick boot times and rapid file access
- Micro Form Factor: Space-saving design perfect for desktop mounting or discreet placement
- Versatile Connectivity: Dual DisplayPort outputs, USB 3.2 ports including USB-C, and Gigabit Ethernet plus Wi-Fi
- Expansion Ready: Two PCIe 3.0 x4 slots and additional memory slot for future upgrades
This compact powerhouse serves business environments requiring reliable computing in minimal space. The OptiPlex 5090 Micro handles office productivity suites, web browsing, email management, and light multimedia tasks with ease. Its dual DisplayPort connections support multi-monitor setups for enhanced productivity, while the variety of USB ports accommodates peripherals and external storage. The combination of wired and wireless networking options ensures flexible connectivity in any office environment.
Technical Specifications
- Processor: Intel Core i5-10400T 2.00GHz (4-Core, 8-Thread)
- Memory: 16GB DDR4 (Maximum 64GB, 2 slots total)
- Storage: 256GB SSD
- Network: Gigabit Ethernet + Wi-Fi
- Ports: 4x USB 3.2 (rear), 1x USB 3.2 + 1x USB-C 3.2 (front), 2x DisplayPort
- Expansion: 2x PCIe 3.0 x4 slots
- Form Factor: Micro Desktop
Why Buy from PC Liquidations
With over 20,000 5-star reviews and a rigorous 25+ point certification process, you can trust in the quality and reliability of this refurbished system. Our commitment to quality ensures that each unit meets high standards for business and personal use, backed by comprehensive warranty coverage for your peace of mind.

Operating System Options
Our Microsoft Authorized Refurbished (MAR) computers and laptops are now predominantly loaded with Windows 11 (Home or Pro), with limited remaining stock available in Windows 10. Please check your product option selections to ensure compatibility with your specific needs, including choosing between Pro or Home versions.

Grade A Refurbished
| Functionality | |
|---|---|
| Cosmetics |
All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.
More Great Computer and Laptop Options
OptiPlex 5090 Micro Computer Technical Specs
| Processor | Intel Core i5-10400T 2.00GHz 4-Core 8-Thread |
|---|---|
| Memory | 16GB DDR4 |
| Storage | 256GB SSD |
| Form Factor | Micro |
| Maximum Memory | 64GB |
| Total Memory Slots | 2 |
| Expansion Slots | 2x PCIe 3.0 x4 |
| Optical Drive | None |
| Network Connection(s) | 10/100/1000 Gigabit Ethernet Wi-Fi |
| Front USB Port(s) | 1x USB3.2 1x USB-C 3.2 |
| Rear USB Port(s) | 4x USB 3.2 |
| VGA Port(s) | 0 |
| DVI Port(s) | 0 |
| HDMI Port(s) | 0 |
| Display Port(s) | 2 |
| Mini Display Port(s) | 0 |
| Serial Port(s) | 0 |
| Parallel Port(s) | 0 |
| eSATA Port(s) | 0 |
| Firewire Port(s) | 0 |
| PS/2 Port(s) | 0 |
| SD Card Reader | 0 |
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
Our team is ready with expert support before and after your purchase.
*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.




























































