Where can I buy a used pc?

You can buy a reliable used PC from reputable refurbished computer retailers—both online and in-store. At System Liquidation, all of our devices are technically “used,” but they are professionally refurbished, meaning they’ve been restored to manufacturer-level performance and quality standards. This ensures you get far more reliability than you would from a typical secondhand marketplace.As a Microsoft Authorized Refurbisher and trusted partner of Dell, Lenovo, HP, Acer, and Google for Education, we follow rigorous testing and quality-control processes to deliver refurbished desktop PCs, refurbished HP laptops, Dell refurbished computers, and more—all backed by a 1-Year Warranty and Free U.S. Shipping.

What are the best brands for refurbished desktop computers?

For dependable refurbished desktops, most IT teams favor enterprise lines with strong parts availability and long lifecycle support. Top picks include the Dell OptiPlex (3000/5000/7000 series) for broad configurations and easy serviceability; HP EliteDesk and ProDesk for stable, business‑class builds; and Lenovo ThinkCentres M‑series for reliability, compact sizes, and robust manageability. For heavier workloads, CAD, analysis, creative, consider workstations like Dell Precision, HP Z‑series, or Lenovo ThinkStation, which add higher‑tier CPUs, ECC options, and professional GPUs.

Are refurbished desktop computers good for business or school?

Yes. Refurbished desktops are a cost‑effective, reliable choice for offices, classrooms, labs, and home workstations. System Liquidation’s inventory of refurbished computers are professionally cleaned, repaired, data‑wiped, and hardware‑tested before shipping with a fresh OS. Product pages list cosmetic grade, exact specs, and warranty, so you can standardize across a fleet with confidence. Business and education buyers often select Dell OptiPlex, HP Elite/Pro, and Lenovo ThinkCentre for stability, driver support, and easy service.

What’s the difference between refurbished and brand‑new desktops?

Brand‑new desktops arrive factory‑sealed with full OEM warranty and original accessories. Refurbished desktops are previously owned, leased, or open‑box units restored to full functionality. During refurbishment, systems are cleaned, data‑sanitized, inspected, restored, and tested; components like storage, memory, fans, or power supplies may be replaced if needed. A fresh, activated operating system is installed, and the cosmetic grade is disclosed. Refurbs typically include a limited refurbisher warranty and deliver significant savings versus new, letting organizations stretch budgets or step up specs (more RAM/SSD) for the same spend. Choose brand-new if you require specific OEM programs, very long warranty terms, or the latest platforms; choose refurbished desktops from System Liquidation for value, sustainability, and rapid deployment. Either way, you can request bulk quotes, standardized builds, and documentation for asset management, with free shipping available across the U.S.

What specs should I choose for a desktop PC?

Start with workload. For office and web apps, a recent Intel Core i5 (10th–13th gen), 16GB RAM, and a 256–512GB NVMe SSD deliver a fast, quiet experience. For multitasking, light photo/video work, or coding, step up to a Core i7 and 32GB RAM. If you run CAD, analysis, or creative suites, consider a workstation with higher‑core CPUs, more RAM headroom (32–64GB), and dedicated graphics (NVIDIA or AMD).Storage strategy matters: pair a fast NVMe boot drive with a larger SATA SSD/HDD for files. Connectivity: ensure DisplayPort/HDMI for dual monitors, plenty of USB‑A/USB‑C, Ethernet, and optional Wi‑Fi if you’re not wiring. Security and manageability: look for TPM, BIOS/UEFI controls, and vPro/AMT where required. Small‑form‑factor or micro desktops save space; towers offer best expandability. System Liquidation’s listings detail CPU generation, RAM slots, drive bays, power supply, and warranty.

Do refurbished desktops include a warranty and support?

Yes. Each refurbished desktop from System Liquidation’s comes with a 1-year limited warranty support beginning on the original purchase date. The 1-year limited warranty covers any and all product defects (labor, hardware and software). An additional 1-year warranty is also available for purchase as an add-on.

Can I add Wi‑Fi, Bluetooth, or a graphics card to a refurbished desktop?

In most cases, yes. Many business‑class desktops support upgrades like PCIe graphics cards, additional RAM, and extra storage. If the system doesn’t include Wi‑Fi/Bluetooth out of the box, you can select it as an add-on on the product page.Small‑form‑factor and micro models have tighter space and power limits, so check the listing for power supply wattage, available PCIe slots, and low‑profile GPU compatibility. Towers offer the most flexibility for full‑height GPUs and multiple drives. System Liquidation’s product pages outline form factor, expansion options, and included ports (DisplayPort/HDMI, USB‑C, USB‑A, Ethernet). Ask sales to preconfigure RAM/SSD upgrades, confirm GPU fit, or bundle accessories like Wi‑Fi adapters, keyboards, mice, and monitors. For classrooms and offices, they can also standardize images and BIOS settings across your deployed fleet.

How do small‑form‑factor (SFF) and micro desktops compare to towers?

All three can deliver excellent performance, but they trade space for expandability. SFF and micro desktops are compact, energy‑efficient, and perfect for classrooms, call centers, reception areas, and tight desks—often supporting dual displays with very low noise. They’re ideal for web, office apps, and light creative work, and they simplify cable management and mounting behind monitors.Towers are larger and better for upgrades: more RAM slots, drive bays, and full‑height GPUs for CAD, 3D, and media workflows. Refurbished lines like Dell OptiPlex, HP Elite/Pro, and Lenovo ThinkCentre come in multiple sizes, so you can match footprint to workload. When browsing System Liquidation, use filters for form factor, CPU generation, storage, and memory. If you’re planning a mixed environment, our sales staff can help standardize images and peripherals while right‑sizing power supplies and cooling to your applications.

How fast is shipping, and do you support bulk orders?

Most in-stock items at System Liquidation are processed within 2–3 business days, though some orders may take 4–5 business days or longer if backordered. Shipping times vary by carrier, with standard UPS deliveries during the holidays typically arriving within 2–5 business days after leaving our warehouse.Please note that shipping cutoff times vary, and next-day shipping is not guaranteed.Weekend Closure: Orders placed from Friday 6:00 PM to Sunday 11:59 PM EST are processed the next business day. We also do not process orders on weekends or major U.S. holidays. Seasonal volume and weather may cause additional delays.Yes, we fully support bulk and enterprise orders. We offer volume pricing, standardized configurations, OS imaging, asset tagging, bundled peripherals, and coordinated multi-location or staggered shipments.

Do refurbished desktops come with monitors?

Refurbished desktops don't come with a monitor included, but there is an option to add an LCD monitor to your order at an extra cost. If you are looking for desktop and monitor combos, browse our refurbished bundle collection.If you prefer to select your own refurbished display, we offer a wide selection of refurbished Dell and HP monitors, all professionally cleaned, tested, and verified for full functionality. Additionally, refurbished All-In-One (AIO) computers always come with a built-in display, making them a great space-saving solution for classrooms, front-desk areas, and compact workspaces.

Lenovo Refurbished Desktops

52 products

30% Off

SKU: SL-482833

$299.00

~~$425.00~~

Optimize your workspace with the Lenovo ThinkCentre M75q G1 Tiny, a compact yet powerful refurbished desktop engineered for professional environments demanding reliability and efficiency. Equipped ...

35% Off

Lenovo ThinkCentre M720S, SFF Desktop, Intel Core i7-9700, 3.0GHz, 64GB RAM, 1TB NVMe, Windows 11 Pro - Grade A Refurbished

SKU: SL-481614

$969.00

~~$1,499.00~~

Optimize your workspace with the Lenovo ThinkCentre M720s SFF desktop, a reliable and high-performance refurbished solution tailored for professional environments. Equipped with an Intel Core i7-97...

18% Off

Lenovo ThinkCentre M720S, SFF Desktop, Intel Core i7-9700, 3.0GHz, 32GB RAM, 1TB NVMe, Windows 11 Pro - Grade A Refurbished

SKU: SL-481617

$719.00

~~$872.00~~

Optimize your workflow with the Lenovo ThinkCentre M720s Small Form Factor desktop, a professionally refurbished system engineered for reliable and efficient performance. Equipped with the Intel Co...

28% Off

Lenovo ThinkCentre M720Q, Tiny Desktop, Intel Core i7-8700T, 2.40GHz, 32GB RAM, 512GB SSD Windows 11 Pro - Grade A Refurbished

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i7-8700T, 2.4GHz, 32GB RAM, 512GB SSD Windows 11 Pro - Grade A Refurbished

SKU: SL-482017

$579.00

~~$799.00~~

Optimize your workspace with the Lenovo ThinkCentre M720q Tiny desktop, a compact yet powerful refurbished system engineered for reliable performance and efficiency. Equipped with an Intel Core i7-...

40% Off

Lenovo ThinkCentre M900, Tower Desktop, Inter Core i7-6700, 3.4GHz,16GB RAM, 512 SSD, Windows 10 Pro - Grade A Refurbished

Lenovo ThinkCentre M900t Tower Desktop, Intel Core i7-6700, 3.4GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished

SKU: SL-051791342091

$359.00

~~$599.00~~

The Lenovo ThinkCentre M900t Tower desktop is a reliable, refurbished workstation engineered to support demanding professional environments. Equipped with a 6th Generation Intel Core i7-6700 proces...

21% Off

Lenovo ThinkCentre M720Q, Tiny Desktop, Intel Core i5-9500T, 3.70GHz,16GB RAM, 256GB NVMe, Windows 11 Pro - Grade A Refurbished

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i5-9500T, 2.2GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-754525160274

$349.00

~~$440.00~~

Optimize your workspace efficiency with the Lenovo ThinkCentre M720q Tiny desktop, a compact yet powerful refurbished system engineered to meet professional demands. Equipped with the Intel Core i5...

25% Off

Lenovo ThinkCentre M720S, SFF Desktop, Intel Core i7-8700, 16GB RAM, 512GB SSD, Windows 10 Pro, Grade -A Refurbished

SKU: SL-492253

$479.00

~~$637.00~~

Optimize your workflow with the Lenovo ThinkCentre M720s Small Form Factor desktop, a professionally refurbished system engineered for reliability and high performance. Equipped with an Intel Core ...

34% Off

Lenovo ThinkCentre M720Q, Tiny Desktop, Intel Core i5-8400T, 1.7GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i5-8500T, 2.1GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-726449692452

$329.00

~~$499.00~~

Optimize your workspace with the Lenovo ThinkCentre M720q Tiny desktop, a professionally refurbished compact system engineered for reliable performance and efficiency. Equipped with an Intel Core i...

35% Off

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i5-8400T, 1.7GHz, 16GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-726449734473

$389.00

~~$599.00~~

18% Off

Lenovo ThinkCentre M720Q, Tiny Desktop, Intel Core i7-8700T, 2.40GHz, 32GB RAM, 1TB NVMe, Windows 11 Pro - Grade A Refurbished

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i7-8700T, 2.4GHz, 32GB RAM, 1TB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-754525160342

$659.00

~~$799.00~~

The Lenovo ThinkCentre M720q Tiny desktop offers a reliable and efficient computing solution tailored for professional environments. Equipped with an Intel Core i7-8700T (8th Gen) processor featuri...

Lenovo ThinkCentre M720Q, Tiny Desktop, Intel Core i5-9500T, 3.70GHz, 32GB RAM, 512GB NVMe, Windows 11 Pro - Grade A Refurbished

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i5-9500T, 2.2GHz, 32GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-754525160298

$539.00

~~$515.00~~

Optimize your workspace with the Lenovo ThinkCentre M720q Tiny desktop, a professionally refurbished compact desktop engineered for reliable performance and efficiency. Equipped with a 9th Generati...

32% Off

Lenovo ThinkCentre M720S, SFF Desktop, Intel Core i7-9700, 3.0GHz, 64GB RAM, 1TB NVMe, Windows 10 Pro - Grade A Refurbished

SKU: SL-726449669430

$649.00

~~$951.00~~

The Lenovo ThinkCentre M720s Small Form Factor (SFF) desktop offers a reliable and efficient computing solution tailored for professional environments. Equipped with an Intel Core i5-9500 (9th Gen)...

46% Off

Lenovo ThinkCentre M720Q, Tiny Desktop, Intel Core i5-8400T, 1.7GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i5-8400T, 1.7GHz, 8GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-726449651633

$269.00

~~$499.00~~

Experience reliable and efficient computing with the Lenovo ThinkCentre M720q Tiny desktop, a professionally refurbished system engineered to support demanding business and personal tasks. Equipped...

18% Off

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i5-9500T, 2.2GHz, 16GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-482345

$409.00

~~$501.00~~

The Lenovo ThinkCentre M720q Tiny desktop is a compact yet powerful refurbished computing solution engineered to meet the demands of professional environments. Equipped with an Intel Core i5-9500T ...

27% Off

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i7-9700T, 2.0GHz, 16GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-481882

$479.00

~~$659.00~~

Optimize your workspace with the Lenovo ThinkCentre M720q Tiny desktop, a compact yet powerful refurbished solution engineered for professional and personal productivity. Equipped with a 9th Genera...

4% Off

Lenovo ThinkCentre M720s SFF Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 1TB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-482471

$509.00

~~$530.00~~

Optimize your workspace with the Lenovo ThinkCentre M720s SFF desktop, a professionally refurbished system engineered for reliable performance and efficiency. Equipped with an Intel Core i5-8500 (8...

35% Off

SKU: SL-482014

$519.00

~~$799.00~~

Optimize your workspace with the Lenovo ThinkCentre M90q G1 Tiny desktop, a professionally refurbished system engineered for reliable performance and efficiency. Equipped with a 10th Generation Int...

Lenovo ThinkCentre M720Q, Tiny Desktop, Intel Core i7-9700T, 2.0GHz, 32GB RAM, 1TB NVMe, Windows 11 Pro - Grade A Refurbished

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i7-9700T, 2.0GHz, 32GB RAM, 1TB SSD, Windows 11 Pro - Grade A Refurbished

SKU: SL-754525160380

$689.00

~~$681.00~~

Optimize your workspace with the Lenovo ThinkCentre M720q Tiny desktop, a compact yet powerful refurbished desktop engineered for efficiency and reliability. Equipped with an Intel Core i7-9700T (9...

50% Off

Lenovo ThinkCentre M720S, SFF Desktop, Intel Core i7-9700, 3.0GHz, 32GB RAM, 1TB NVMe, Windows 10 Pro - Grade A Refurbished

SKU: SL-726449619343

$439.00

~~$872.00~~

Experience reliable performance and efficient computing with the Lenovo ThinkCentre M720s Small Form Factor desktop. Equipped with a powerful Intel Core i5-9500 (9th Gen) processor featuring 6 core...

33% Off

Lenovo ThinkCentre M710s SFF Desktop, Intel Core i7-6700, 3.4GHz, 32GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished

Lenovo ThinkCentre M710, SFF Desktop, Intel Core i7-6700, 3.40GHz, 32GB RAM, 512GB SSD, Windows 10 Pro, Grade - A Refurbished

SKU: SL-051791271452

$469.00

~~$699.00~~

The Lenovo ThinkCentre M710s Small Form Factor desktop is a reliable and efficient refurbished workstation designed to meet the demands of professional environments. Equipped with a powerful Intel ...

38% Off

Lenovo ThinkCentre M910T, Tower Desktop, Intel Core i7-6700, 3.4GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished

SKU: SL-726449701031

$369.00

~~$599.00~~

The Lenovo ThinkCentre M910t Tower desktop is a reliable and high-performance refurbished workstation engineered to support demanding professional environments. Equipped with an Intel Core i7-6700 ...

48% Off

Lenovo ThinkCentre M910t Tower Desktop, Intel Core i7-6700, 3.4GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished

SKU: SL-482285

$309.00

~~$599.00~~

Optimize your workspace with the Lenovo ThinkCentre M910t Tower desktop, a professionally refurbished system engineered for reliable performance and efficiency. Equipped with a powerful Intel Core ...

25% Off

Lenovo ThinkCentre M720q Tiny Desktop, Intel Core i7-8700T, 2.4GHz, 16GB RAM, 512GB SSD Windows 11 Pro - Grade A Refurbished

SKU: SL-726449692483

$449.00

~~$599.00~~

Optimize your workspace with the Lenovo ThinkCentre M720q Tiny desktop, a compact yet powerful refurbished solution engineered for high productivity and reliability. Equipped with an Intel Core i7-...

44% Off

Lenovo ThinkCentre M910S, SFF Desktop, Intel Core i7-7700, 3.6GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished

SKU: SL-481474

$309.00

~~$549.00~~

Optimize your workspace with the Lenovo ThinkCentre M910s Small Form Factor desktop, a professionally refurbished system engineered for reliable and efficient performance. Equipped with an Intel Co...

About Lenovo

Lenovo is one of the world's leading computer manufacturers, recognized for producing reliable, innovative, and high-performing business technology. From small offices to large enterprises, Lenovo systems are trusted worldwide for their durability, efficiency, and long-term value. This reputation has made Lenovo refurbished desktops a popular choice for organizations and individuals seeking dependable performance at a lower cost.

Benefits of Lenovo Desktops

Known for their quality construction and business-class reliability, Lenovo refurbished desktops offer an excellent balance of performance, value, and longevity. Many Lenovo systems are designed to support years of daily use while maintaining consistent performance for productivity, multitasking, and professional applications.

Whether you're setting up a home office, upgrading workplace computers, or expanding a classroom environment, Lenovo desktops provide a practical solution with flexible configurations and upgrade options to meet a variety of computing needs.

Go-To Desktops for Business Use

Lenovo ThinkStation Series: ISV-certified, energy-efficiency, and highly versatile desktops that deliver superior reliability and performance for professional workstations. These desktops effectively handle the most demanding business applications with unmatched processing power. The ThinkStation Series desktops are also available in compact sizes, including small form factors (SFF) and towers, to easily fit into any workspace.

Lenovo Tiny Series: Ultra-compact, durable, and energy-efficient desktops that are perfect for the smallest workspaces without compromising on features or performance. These desktops feature a modular build that allows for versatility in customization and upgrades. The Tiny Series also comes with assurance that any future hardware changes will not affect the preloaded software image for up to 12 months.

Lenovo Tiny Series desktops are ideal for:

Multitasking
Multimedia
Graphic design
High finance

Why Choose a Refurbished Lenovo Desktop

Choosing Lenovo refurbished desktops allows you to access premium business-class technology at a significantly lower cost than purchasing new equipment. Many Lenovo systems are originally built for professional environments, making them excellent candidates for refurbishment and continued use.

As a Microsoft Authorized Refurbisher, System Liquidation follows strict refurbishment and licensing standards to ensure every desktop meets high-quality expectations. Each system is thoroughly tested, inspected, and prepared by our experienced technical team before being offered for sale.

Our Grade A Lenovo refurbished desktops are free from functional defects and are professionally restored to provide dependable performance. To further support your investment, qualifying systems include a 1-Year Warranty covering parts and labor, giving you added confidence in your purchase.