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Refurbished HP ProDesk Series Desktops

125 products
36% Off
HP ProDesk 600 G1, Mini Desktop, Intel Core i5-4570T, 2.9GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G1, Mini Desktop, Intel Core i7-4765T, 2.0GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished (Final Sale)
SKU: SL-610838
$319.00
$319.00
$499.00
This professionally refurbished HP ProDesk 600 G1 Desktop features a reliable Intel Core i7-4765T (4th generation) processor operating at 2.0 GHz with four cores, delivering consistent performance ...
33% Off
HP ProDesk 600 G1, Mini Desktop, Intel Core i5-4570T, 2.9GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G1, Mini Desktop, Intel Core i5-4570T, 2.9GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished (Final Sale)
SKU: SL-610834
$249.00
$249.00
$369.00
This refurbished HP ProDesk 600 G1 Mini Form Factor Desktop is engineered to deliver reliable performance for professional and business environments. Powered by a 4th generation Intel Core i5-4570T...
73% Off
HP ProDesk 600 G3, Mini Desktop, Intel Core i5-6400T, 2.2GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G3 Mini Desktop, Intel Core i5-6400T, 2.2GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610711
$149.00
$149.00
$549.00
Optimize your workspace with the HP ProDesk 600 G3 Mini desktop, a professionally refurbished device engineered for reliable performance and efficiency. Equipped with a 6th Generation Intel Core i5...
21% Off
HP ProDesk 600 G5, Mini Desktop, Intel Core i7-9700T, 2.0GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G5, Mini Desktop, Intel Core i7-9700T, 2.0GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449660420
$419.00
$419.00
$529.00
This professionally refurbished HP Prodesk 600 G5 Desktop is equipped with a robust Intel Core i7-9700T 9th generation processor operating at 2.0 GHz, delivering reliable performance for demanding ...
35% Off
HP ProDesk 600G4, Tower Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600G4, Tower Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-481271
$389.00
$389.00
$599.00
Experience reliable and efficient computing with this professionally refurbished HP ProDesk 600 G4 Desktop. Powered by an Intel Core i5-8500 processor operating at 3.0 GHz, this desktop is designed...
36% Off
HP ProDesk 600G4, Tower Desktop, Intel Core i7-8700, 3.2GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600G4, Tower Desktop, Intel Core i7-8700, 3.2GHz, 16GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-481559
$509.00
$509.00
$799.00
This professionally refurbished desktop features a robust Intel Core i7-8700 processor from the 8th generation, operating at a reliable speed of 3.2 GHz. Equipped with 16GB of RAM and a 512GB solid...
37% Off
HP ProDesk 600 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 16GB RAM, 512GB NVMe, Windows 10 Pro- Grade A Refurbished HP ProDesk 600 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-051791280062
$499.00
$499.00
$789.00
This professionally refurbished HP ProDesk 600 G6 Desktop is powered by a robust Intel Core i5-10500T 10th generation processor, operating at a base speed of 2.3 GHz. Equipped with 16GB of RAM and ...
HP ProDesk 800 G4, Tower Desktop, Intel Core i7-8700, 3.20GHz, 64GB RAM, 1TB NVMe, Windows 11 Pro - Grade A Refurbished HP ProDesk 800 G4, Tower Desktop, Intel Core i7-8700, 3.20GHz, 64GB RAM, 1TB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-481596
$979.00
$979.00
This professionally refurbished HP ProDesk 800 G4 Mini Tower desktop delivers reliable performance powered by an Intel Core i7-8700 processor from the 8th generation, operating at a base speed of 3...
13% 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 i5-10500, 3.1GHz, 32GB RAM, 1TB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449660291
$519.00
$519.00
$599.00
This professionally refurbished HP ProDesk 400 G7 Desktop is engineered to deliver reliable performance with its Intel Core i5-10500 10th generation processor running at 3.10 GHz. Equipped with 32G...
40% Off
HP ProDesk 400 G7, SFF Desktop, Intel Core i5-10400, 2.90GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G7, SFF Desktop, Intel Core i5-10400, 2.9GHz, 16GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-051791254523
$529.00
$529.00
$889.00
This professionally refurbished HP ProDesk 400G7 Small Form Factor Desktop is equipped with a reliable Intel Core i5-10400 processor operating at 2.90GHz, delivering consistent performance for a va...
29% Off
HP ProDesk 400 G7, SFF Desktop, Intel Core i5-10400, 2.90GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G7, SFF Desktop, Intel Core i7-10700, 2.9GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449660314
$469.00
$469.00
$659.00
This professionally refurbished HP ProDesk 400 G7 Desktop is powered by the robust Intel Core i7-10700 processor from the 10th generation, delivering a consistent speed of 2.90 GHz to support deman...
26% Off
HP ProDesk 400 G7, SFF Desktop, Intel Core i5-10400, 2.90GHz, 32GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G7, SFF Desktop, Intel Core i5-10400, 2.9GHz, 32GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-051791281772
$659.00
$659.00
$889.00
This refurbished HP ProDesk 400G7 Small Form Factor desktop is equipped with a robust Intel Core i5-10400 processor operating at 2.90GHz, delivering reliable performance for professional and busine...
32% Off
HP ProDesk 600G4, SFF Desktop, Intel Core i5-8500, 3.0GHz, 32GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600G4 SFF Desktop, Intel Core i5-8500, 3.0GHz, 32GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-610741
$539.00
$539.00
$789.00
This professionally refurbished HP ProDesk 600 G4 Desktop is engineered to deliver reliable and efficient performance for business and professional environments. Equipped with a robust Intel Core i...
28% Off
HP ProDesk 400 G5, SFF Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished HP ProDesk 400 G5, SFF Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 256GB SSD, Windows 10 Pro- Grade A Refurbished
SKU: SL-051791280063
$309.00
$309.00
$429.00
This professionally refurbished HP ProDesk 400 G5 Desktop is equipped with a robust Intel Core i5-8500 processor from the 8th generation, delivering a consistent speed of 3.0 GHz to handle demandin...
36% Off
HP ProDesk 400 G5, SFF Desktop, Intel Core i3-8100, 3.6GHz, 16GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished HP ProDesk 400 G5, SFF Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 256GB SSD, Windows 10 Pro- Grade A Refurbished
SKU: SL-672344332972
$379.00
$379.00
$589.00
This professionally refurbished HP ProDesk 400 G5 Small Form Factor desktop features an Intel Core i3-8100 processor operating at 3.6 GHz, delivering reliable performance for everyday business task...
51% 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, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610706
$239.00
$239.00
$489.00
Optimize your work environment 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 ...
25% Off
HP ProDesk 600 G6, Mini Desktop, Intel Core i7-10700T, 2.0GHz, 16GB RAM, 512GB SSD, Windows 11 Pro- Grade A Refurbished HP ProDesk 600 G6, Mini Desktop, Intel Core i7-10700T, 2.0GHz, 16GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-051791251454
$509.00
$509.00
$679.00
This professionally refurbished HP ProDesk 600 G6 Desktop is equipped with a robust Intel Core i7-10700T processor from the 10th generation, operating at a base speed of 2.0 GHz. Featuring 16GB of ...
37% Off
HP ProDesk 600 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 16GB RAM, 512GB M2 SSD, Windows 11 Pro- Grade A Refurbished HP ProDesk 600 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 16GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-825633571136
$499.00
$499.00
$789.00
This professionally refurbished HP ProDesk 600 G6 Desktop is equipped with a robust Intel Core i5-10500T processor from the 10th generation, delivering a reliable processing speed of 2.3 GHz. Compl...
33% Off
HP ProDesk 600 G1, Mini Desktop, Intel Core i5-4570T, 2.9GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G1, Mini Desktop, Intel Core i5-4570T, 2.9GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished (Final Sale)
SKU: SL-610835
$269.00
$269.00
$399.00
The HP ProDesk 600 G1 Mini Form Factor Desktop offers a robust computing solution powered by a 4th generation Intel Core i5-4570T processor running at 2.9 GHz with four cores. Equipped with 16GB of...
38% Off
HP ProDesk 600 G5, Mini Desktop, Intel Core i5-9500T, 2.2GHz, 16GB RAM, 1TB NVMe, Windows 11 Pro - Grade A Refurbished HP ProDesk 600 G5, Mini Desktop, Intel Core i5-9500T, 2.2GHz, 16GB RAM, 1TB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-051791281062
$499.00
$499.00
$799.00
The refurbished HP ProDesk 600 G5 Desktop is engineered to deliver reliable performance with its Intel Core i5-9500T processor operating at 2.2 GHz. Equipped with 16GB of RAM and a 1TB NVMe solid-s...
24% Off
HP ProDesk 600 G5, Mini Desktop, Intel Core i7-9700T, 2.0GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G5, Mini Desktop, Intel Core i7-9700T, 2.0GHz, 8GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449660413
$409.00
$409.00
$539.00
The HP Prodesk 600 G5 Refurbished Desktop is engineered to deliver reliable performance for professional environments. Powered by the Intel Core i7-9700T processor operating at 2.0GHz, this desktop...
24% Off
HP ProDesk 400 G3, SFF Desktop, Intel Core i5-6400, 2.7GHz ,16GB RAM, 512GB SSD, Windows 10 Pro-Grade A Refurbished HP ProDesk 400 G3, SFF Desktop, Intel Core i5-6400, 2.7GHz ,16GB RAM, 512GB SSD, Windows 10 Pro-Grade A Refurbished
SKU: SL-610576
$279.00
$279.00
$369.00
This professionally refurbished HP ProDesk 400 G3 desktop is designed to deliver reliable and efficient performance for business and professional environments. Powered by a 6th generation Intel Cor...
24% Off
HP ProDesk 400 G6, SFF Desktop, Intel Core i7-9700, 3.0GHz, 32GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G6 SFF Desktop, Intel Core i7-9700, 3.0GHz, 32GB RAM, 2TB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-481992
$829.00
$829.00
$1,089.00
This refurbished HP ProDesk 400 G6 desktop delivers reliable performance with its Intel Core i7-9700 processor operating at 3.0 GHz. Equipped with 32GB of RAM and a 2TB solid-state drive, it ensure...
28% Off
HP ProDesk 600 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 16GB RAM, 512GB NVMe, Windows 10 Pro- Grade A Refurbished HP ProDesk 600 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449672416
$469.00
$469.00
$649.00
This professionally refurbished HP ProDesk 600 G6 Desktop features a robust Intel Core i5-10500T processor from the 10th generation, operating at a base speed of 2.3 GHz. Equipped with 16GB of RAM ...

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.