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Refurbished HP ProDesk Series Desktops

125 products
27% Off
HP ProDesk 400 G3, SFF Desktop, Intel Core i5-6400, 2.7GHz, 16GB RAM, 256GB SSD, Windows 10 Pro-Grade A Refurbished HP ProDesk 400 G3, Small Form Factor Desktop, Intel Core i5-6400, 2.7GHz, 16GB RAM, 256GB SSD, Windows 10 Pro-Grade A Refurbished
SKU: SL-610575
$269.00
$269.00
$369.00
This professionally refurbished HP Prodesk 400 G3 Desktop delivers reliable performance with its Intel Core i5-6400 processor operating at 2.7GHz. Equipped with 16GB of RAM and a 256GB solid-state ...
36% Off
HP ProDesk 400 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 16GB RAM, 256GB NVMe, Windows 10 Pro- Grade A Refurbished HP ProDesk 400 G6 Mini Desktop, Intel Core i5-10500T, 2.3GHz, 16GB RAM, 256GB SSD, Windows 11 Pro- Grade A Refurbished
SKU: SL-051791280057
$439.00
$439.00
$689.00
This professionally refurbished HP EliteDesk 400 G6 Desktop delivers reliable performance with an Intel Core i5-10500T 10th generation processor operating at 2.2 GHz. Equipped with 16GB of RAM and ...
28% Off
HP ProDesk 600 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 32GB RAM, 1TB SSD, Windows 11 Pro- Grade A Refurbished HP ProDesk 600 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 32GB RAM, 1TB SSD, Windows 11 Pro- Grade A Refurbished
SKU: SL-481692
$709.00
$709.00
$989.00
This professionally refurbished HP ProDesk 600 G6 Desktop is equipped with a reliable Intel Core i5-10500T processor from the 10th generation, operating at a base speed of 2.3 GHz. Designed to supp...
38% Off
HP ProDesk 600 G2 Mini Desktop, Intel Core i7-6700T, 2.8GHz, 16GB RAM, 1TB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G2 Mini Desktop, Intel Core i7-6700T, 2.8GHz, 32GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-726449742119
$429.00
$429.00
$689.00
Optimize your workspace with the HP ProDesk 600 G2 Mini desktop, a reliable refurbished solution engineered for consistent performance and efficiency. Equipped with an Intel Core i7-6700T (6th Gen)...
35% Off
HP ProDesk 600 G2 Mini Desktop, Intel Core i7-6700T, 2.8GHz, 16GB RAM, 1TB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G2 Mini Desktop, Intel Core i7-6700T, 2.8GHz, 32GB RAM, 1TB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-051791273029
$509.00
$509.00
$789.00
Optimize your workspace with the HP ProDesk 600 G2 Mini desktop, a compact and reliable refurbished solution engineered for consistent productivity and operational efficiency. Equipped with an Inte...
69% Off
HP ProDesk 600 G2, Mini Desktop, Intel Core i5-6400T, 2.2GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G2 Mini Desktop, Intel Core i5-6400T, 2.2GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-051791281710
$149.00
$149.00
$479.00
Optimize your workspace with the HP ProDesk 600 G2 Mini desktop, a professionally refurbished system engineered for reliable performance and efficiency. Equipped with an Intel Core i5-6400T (6th Ge...
54% Off
HP ProDesk 600 G2, Mini Desktop, Intel Core i5-6400T, 2.2GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G2 Mini Desktop, Intel Core i5-6400T, 2.2GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-42623405
$229.00
$229.00
$499.00
The HP ProDesk 600 G2 Mini desktop offers a reliable and efficient computing solution tailored for professional environments. Equipped with an Intel Core i5-6400T (6th Gen) Processor featuring 4 co...
15% Off
HP ProDesk 800 G4, Tower Desktop, Intel Core i7-8700, 3.20GHz, 32GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 800 G4, Tower Desktop, Intel Core i7-8700, 3.20GHz, 32GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-049500453150
$629.00
$629.00
$744.00
This professionally refurbished HP ProDesk 800 G4 Desktop Tower is powered by an Intel Core i7-8700 processor from the 8th generation, delivering a consistent speed of 3.20 GHz to handle demanding ...
5% Off
HP ProDesk 800 G4, Tower Desktop, Intel Core i5-8500, 3.0GHz, 32GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 800 G4, Tower Desktop, Intel Core i5-8500, 3.0GHz, 32GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-481484
$569.00
$569.00
$597.00
This professionally refurbished HP ProDesk 800 G4 Desktop Tower is powered by a reliable Intel Core i5-8500 processor from the 8th generation, operating at a steady 3.0 GHz across its 4 cores. Equi...
24% Off
HP ProDesk 800 G4, Tower Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 800 G4, Tower Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-480048
$379.00
$379.00
$500.00
This professionally refurbished HP ProDesk 800 G4 Desktop Tower features a robust Intel Core i5-8500 8th generation processor operating at 3.0 GHz with six cores, delivering reliable performance fo...
32% Off
HP ProDesk 800 G4, Tower Desktop, Intel Core i7-8700, 3.20GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 800 G4, Tower Desktop, Intel Core i7-8700, 3.20GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-481433
$439.00
$439.00
$641.00
This professionally refurbished HP ProDesk 800 G4 Desktop Tower is equipped with a robust Intel Core i7-8700 processor operating at 3.20 GHz, delivering reliable performance for demanding business ...
56% Off
HP ProDesk 600 G3, SFF Desktop, Intel Core i5-7500, 3.4GHz, 16GB RAM, 512GB SSD, Windows 10 Pro- Grade A Refurbished HP ProDesk 600 G3, SFF Desktop, Intel Core i5-7500, 3.4GHz, 16GB RAM, 512GB SSD, Windows 10 Pro- Grade A Refurbished
SKU: SL-051791339534
$269.00
$269.00
$609.00
This professionally refurbished HP ProDesk 600 G3 desktop delivers reliable performance with its Intel Core i5-7500 processor, operating at a speed of 3.4 GHz across four cores. Equipped with 16GB ...
41% Off
HP ProDesk 400 G7, SFF Desktop, Intel Core i5-10400, 2.90GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G7, SFF Desktop, Intel Core i5-10400, 2.9GHz, 8GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-049500453125
$409.00
$409.00
$689.00
This professionally refurbished HP ProDesk 400 G7 Desktop features a robust Intel Core i5-10400 processor from the 10th generation, operating at a base speed of 2.90 GHz. Equipped with 8GB of RAM a...
40% Off
HP ProDesk 400 G3, Mini Desktop, Intel Core i5-6400T, 2.2GHz,16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G3 Mini Desktop, Intel Core i5-6400T, 2.2GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610671
$309.00
$309.00
$519.00
The HP ProDesk 400 G3 Mini desktop offers a reliable and efficient computing solution tailored to meet the demands of professional environments. Equipped with a 6th Generation Intel Core i5-6400T p...
28% Off
HP ProDesk 400 G4, Mini Desktop, Intel Core i7-8700T, 2.40 GHz, 32GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G4 Mini Desktop, Intel Core i7-8700T, 2.4GHz, 32GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-481444
$569.00
$569.00
$789.00
The HP ProDesk 400 G4 Mini desktop is a reliable and efficient refurbished workstation tailored for professional environments requiring robust performance in a compact design. Equipped with an Inte...
36% Off
HP ProDesk 400 G4, Mini Desktop, Intel Core i5-8500T, 2.10 GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G4 Mini Desktop, Intel Core i5-8500T, 2.1GHz, 16GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449664916-R
$379.00
$379.00
$589.00
Optimize your workspace with the HP ProDesk 400 G4 Mini desktop, a professionally refurbished system engineered for reliable performance and efficiency. Equipped with an Intel Core i5-8500T (8th Ge...
55% Off
HP ProDesk 600 G3, Tower Desktop, Intel Core i5-6500, 3.2 GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G3, Tower Desktop, Intel Core i5-6500, 3.2 GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610726
$249.00
$249.00
$559.00
This professionally refurbished HP ProDesk 600 G3 Desktop delivers reliable performance powered by a 6th generation Intel Core i5-6500 processor operating at 3.2 GHz. Equipped with 16GB of RAM and ...
41% Off
HP ProDesk 600 G3, Tower Desktop, Intel Core i5-6500, 3.2 GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G3, Tower Desktop, Intel Core i5-6500, 3.2 GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610725
$229.00
$229.00
$389.00
This professionally refurbished HP ProDesk 600 G3 Desktop is equipped with a robust Intel Core i5-6500 processor, delivering a consistent 3.2 GHz speed that supports demanding business applications...
30% Off
HP ProDesk 600 G3, Tower Desktop, Intel Core i7-6700, 3.4GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G3, Tower Desktop, Intel Core i7-6700, 3.4GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610728
$299.00
$299.00
$430.00
This refurbished HP ProDesk 600 G3 desktop delivers reliable performance with its Intel Core i7-6700 processor operating at 3.4 GHz. Equipped with 16GB of RAM and a 256GB solid-state drive, it effi...
52% Off
HP ProDesk 600 G3, Tower Desktop, Intel Core i5-6500, 3.2 GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G3, Tower Desktop, Intel Core i5-6500, 3.2 GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610724
$179.00
$179.00
$375.00
This professionally refurbished HP ProDesk 600 G3 Desktop offers a robust computing solution powered by the Intel Core i5-6500 processor, operating at a reliable 3.2 GHz. Equipped with 8GB of RAM a...
24% Off
HP ProDesk 600 G3, Tower Desktop, Intel Core i7-6700, 3.4GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G3, Tower Desktop, Intel Core i7-6700, 3.4GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610729
$349.00
$349.00
$458.00
This refurbished HP ProDesk 600 G3 Desktop is engineered to deliver reliable performance for professional environments. Powered by a 6th generation Intel Core i7-6700 processor operating at 3.4GHz,...
38% Off
HP ProDesk 600 G5 SSF Desktop, Intel Core i5-9500, 3.0GHz, 16GB RAM, 512GB SSD, Windows 10 Pro- Grade A Refurbished HP ProDesk 600 G5 SFF Desktop, Intel Core i7-9700, 3.0GHz, 16GB RAM, 256GB NVMe SSD, Windows 11 Pro, Grade A Refurbished - EE
SKU: SL-481560
$429.00
$429.00
$689.00
This professionally refurbished HP ProDesk 600 G5 Small Form Factor desktop is equipped with an Intel Core i5-9500 processor from the 9th generation, operating at a reliable speed of 3.0 GHz. It fe...
35% Off
HP ProDesk 600 G5 SSF Desktop, Intel Core i7-9700, 3.0GHz, 16GB RAM, 512GB SSD, Windows 10 Pro- Grade A Refurbished HP ProDesk 600 G5 SSF Desktop, Intel Core i7-9700, 3.0GHz, 16GB RAM, 512GB SSD, Windows 11 Pro- Grade A Refurbished
SKU: SL-490350
$509.00
$509.00
$789.00
This professionally refurbished HP EliteDesk 600 G5 Small Form Factor Desktop is equipped with a robust Intel Core i7-9700 processor, operating at a base speed of 3.0 GHz, delivering reliable and e...
26% Off
HP ProDesk 600 G5 SSF Desktop, Intel Core i7-9700, 3.0GHz, 32GB RAM, 1TB SSD, Windows 10 Pro- Grade A Refurbished HP ProDesk 600 G5 SSF Desktop, Intel Core i7-9700, 3.0GHz, 32GB RAM, 1TB SSD, Windows 11 Pro- Grade A Refurbished
SKU: SL-481562
$729.00
$729.00
$989.00
This professionally refurbished HP EliteDesk 600 G5 Small Form Factor desktop delivers robust performance driven by an Intel Core i7-9700 processor operating at 3.0 GHz. Equipped with 32GB of RAM a...

The HP ProDesk is HP's workhorse commercial desktop, the machine you'll find running quietly in offices, classrooms, and home setups where reliability isn't optional. If you're shopping for refurbished desktop computers and want something built to last, the ProDesk delivers dependable performance backed by enterprise-grade durability.

These are genuine business Grade A machines, not consumer PCs repurposed for office use. That means better components, longer support cycles, and specs that hold up across years of daily use.

What You're Getting With a Refurb ProDesk

Every HP ProDesk that System Liquidation sells is Grade A and configured for real workloads:

• Intel Core processors, typically i5 and i7, across a range of generations
• Memory options that scale from everyday multitasking to heavier workloads and multiple apps at once
• SSD storage for fast boot times and responsive performance, in a range of capacities
• Windows 10 Pro or Windows 11 Pro, installed and ready
• Multiple form factors like mini and small form factor options for tight desks, plus full tower configurations when you need more expandability

Frequently Asked Questions

The ProDesk was designed for commercial environments, which means it's built to tighter tolerances than a consumer desktop: better thermal management, more RAM capacity, and longer parts availability. For anyone buying a refurbished desktop pc for serious daily use, that build quality matters.

For most remote work, office software, and everyday use, a mid-range generation hits the sweet spot. If you're running heavier workloads, virtual machines, large spreadsheets, or video conferencing alongside multiple apps, step up to a newer generation with an i7. Older generations are still capable of lighter tasks and are usually the most budget-friendly options in the lineup.

16GB handles the vast majority of business and student workloads comfortably. If you're in IT, running development environments, or keeping a large number of applications open at once, higher-capacity configurations give you real breathing room. Larger options are available for power users who know they need them.

Yes. Almost every ProDesk in this collection ships with Windows 10 Pro or Windows 11 Pro, installed and activated and ready to use right out of the box. In the rare case a unit is listed without an OS, it's flagged clearly in the product listing, but that's very much the exception.

The HP ProDesk is ideal for businesses, schools, remote workers, students, and home office users looking for reliable performance at an affordable price. As a business-class refurbished desktop PC, it delivers the durability and consistency needed for daily workloads while offering strong value for organizations purchasing bulk refurbished computers.