Important Notice: Operating System Not Included - NO OS is installed

These computers are sold without a pre-installed operating system and cannot be used until a compatible OS is installed by the customer. Please note that we can no longer install Windows 10 on systems due to Microsoft's end-of-support timeline.
Available Options:
Contact us to discuss which option best meets your needs or for assistance with OS installation requirements.
The Lenovo ThinkStation P520 Tower Computer delivers professional-grade workstation performance for demanding business applications. Built around the Intel Xeon W-2123 processor, this tower workstation provides the power and expandability needed for CAD, 3D rendering, data analysis, and other resource-intensive tasks.
The ThinkStation P520 is engineered for professionals who need reliable, expandable computing power. Whether you're running engineering simulations, editing high-resolution media, managing databases, or developing software, this workstation provides the foundation you need. The Intel Xeon W-2123 processor offers enterprise-class reliability and performance, while the generous expansion capabilities allow you to customize the system to your exact requirements. With support for up to 512GB of memory and multiple PCIe slots, you can add specialized graphics cards, RAID controllers, high-speed storage adapters, or other professional expansion cards as your needs evolve.
When you purchase this ThinkStation P520, you're getting more than just a workstation—you're getting peace of mind. Each unit undergoes a meticulous testing and inspection process to ensure it meets our high standards for quality and reliability. With fast fulfillment, we work to get your equipment to you quickly so you can minimize downtime and get back to work.
This refurbished workstation represents outstanding value for businesses and power users who need professional-grade performance without the premium price tag. All products come with warranties and are backed by our commitment to your satisfaction.

Our Microsoft Authorized Refurbished (MAR) computers and laptops typically include the latest Microsoft Windows operating systems, such as Windows 10 and 11. Please check your product option selections to ensure compatibility with your specific needs, including choosing between Pro or Home versions.

| 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.
| Processor | Intel Xeon W-2123 3.60GHz |
|---|---|
| Memory | 8GB DDR4 |
| Storage | 256GB SSD |
| Form Factor | Tower |
| Maximum Memory | 512GB |
| Total Memory Slots | 8 |
| Expansion Slots | 2 PCIe x16 Gen 3 1 PCIe x8 Gen 3 2 PCIe x4 Gen 3 1 PCI |
| Optical Drive | None |
| Network Connection(s) | Gigabit Ethernet |
| Front USB Port(s) | 1 (3.2 Gen 1) Always On and fast charge 3 (3.2 Gen 1) |
| Rear USB Port(s) | 2 (2.0) 4 (3.2 Gen 1) |
| VGA Port(s) | 0 |
| DVI Port(s) | 0 |
| HDMI Port(s) | 0 |
| Display Port(s) | 0 |
| 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) | 2 |
| SD Card Reader | No |
Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.
All products purchased from us are covered by a 1-year warranty from the date of purchase, covering manufacturing defects and functional failures under normal business use.
Please note that batteries are an exception to this policy. Batteries are covered by a 90-day warranty due to their consumable nature.
This warranty does not cover damage caused by misuse, unauthorized modifications, or improper handling. For any warranty claims, please contact our support team with your purchase details and a description of the issue.



