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Refurbished HP ProDesk Series Desktops

134 products
17% 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, 2.90GHz, 64GB RAM, 1TB SSD + 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-482246
$1,239.00
$1,239.00
$1,499.00
This professionally refurbished HP ProDesk 400 G7 Small Form Factor Desktop is equipped with a robust Intel Core i7-10700 10th generation processor, operating at a base speed of 2.90 GHz. Designed ...
33% 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, 2.90GHz, 32GB RAM, 512GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449660338
$799.00
$799.00
$1,199.00
This refurbished HP ProDesk 400 G7 Small Form Factor desktop is engineered to deliver robust performance for professional environments. Powered by the Intel Core i7-10700 processor with a base spee...
35% Off
HP ProDesk 400 G4, Mini Desktop, Intel Core i7-8700T, 2.40 GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G4 Mini Desktop, Intel Core i7-8700T, 2.4GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449643966
$389.00
$389.00
$599.00
The HP ProDesk 400 G4 Mini desktop is a compact, high-performance refurbished workstation engineered to meet the demands of professional and business environments. Equipped with an Intel Core i7-87...
45% Off
HP ProDesk 400 G4, Mini Desktop, Intel Core i5-8500T, 2.10 GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G4 Mini Desktop, Intel Core i5-8500T, 2.1GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449743048
$329.00
$329.00
$599.00
The HP ProDesk 400 G4 Mini desktop is a reliable and compact computing solution engineered to enhance workplace efficiency. Equipped with an Intel Core i5-8500T (8th Gen) processor featuring 6 core...
34% Off
HP ProDesk 600 G1, Mini Desktop, Intel Core i5-4570T, 2.9GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G1, Mini Desktop, Intel Core i5-4570T, 2.9GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished (Final Sale)
SKU: SL-610836
$229.00
$229.00
$347.00
The refurbished HP ProDesk 600 G1 Desktop delivers reliable performance with an Intel Core i5-4570T processor operating at 2.9 GHz across four cores. Equipped with 16GB of RAM and a 512GB solid-sta...
47% 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, 512GB SSD, Windows 10 Pro - Grade A Refurbished (Final Sale)
SKU: SL-610839
$239.00
$239.00
$449.00
This professionally refurbished HP ProDesk 600 G1 Desktop features a 4th generation Intel Core i7-4765T processor operating at 2.0 GHz with four cores, delivering reliable performance for business ...
40% Off
HP ProDesk 600G4, SFF Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 512GB M2 SSD Windows 10 Pro - Grade A Refurbished HP ProDesk 600G4 SFF Desktop, Intel Core i5-8500, 3.0GHz, 16GB RAM, 256GB M2 SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449738150
$359.00
$359.00
$599.00
This professionally refurbished HP ProDesk 600 G4 Desktop is equipped with a robust Intel Core i5-8500 processor from the 8th generation, delivering reliable performance at a speed of 3.0 GHz acros...
30% Off
HP ProDesk 600G4 SFF Desktop, Intel Core i7-8700, 3.2GHz, 16GB RAM, 512GB NVMe, Windows 10 Pro - Grade A Refurbished HP ProDesk 600G4 SFF Desktop, Intel Core i7-8700, 3.2GHz, 16GB RAM, 512GB NVMe, Windows 11 Pro - Grade A Refurbished
SKU: SL-825633556409
$489.00
$489.00
$699.00
This professionally refurbished HP ProDesk 600 G4 Small Form Factor Desktop is equipped with a robust Intel Core i7-8700 processor, delivering a base speed of 3.2 GHz across six cores. Complemented...
41% Off
HP ProDesk 600 G1, SFF Desktop, Intel Core i5-4570, 3.2GHz, 16GB RAM, 240GB SSD, DVD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G1, SFF Desktop, Intel Core i7-4770, 3.4GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-080101275309
$189.00
$189.00
$322.00
This professionally refurbished HP ProDesk 600 G1 Small Form Factor desktop is powered by a reliable Intel Core i5-4570 processor, featuring a 4-core architecture running at 3.2GHz. Equipped with 1...
35% Off
HP ProDesk 400 G6, SFF Desktop, Intel Core i5-9500, 3.0GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished HP ProDesk 400 G6, SFF Desktop, Intel Core i5-9500, 3.0GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-481714
$389.00
$389.00
$599.00
The HP ProDesk 400 G6 Refurbished Desktop is engineered to deliver dependable performance for professional environments. Powered by a 9th generation Intel Core i5-9500 processor operating at 3.0 GH...
31% Off
HP ProDesk 400 G5, SFF Desktop, Intel Core i5-8500, 3.0GHz, 32GB RAM, 512GB SSD, Windows 10 Pro- Grade A Refurbished HP ProDesk 400 G5, SFF Desktop, Intel Core i5-8500, 3.0GHz, 32GB RAM, 512GB SSD, Windows 11 Pro- Grade A Refurbished
SKU: SL-481440
$549.00
$549.00
$799.00
The HP ProDesk 400 G5 Small Form Factor Desktop is a professionally refurbished computing solution designed to meet business and professional demands with reliability and efficiency. Powered by an ...
31% Off
HP Prodesk 600 G6, SFF Desktop, Intel Core i5-10400, 2.9GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP Prodesk 600 G6, SFF Desktop, Intel Core i5-10400, 2.9GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-481735
$549.00
$549.00
$799.00
The HP ProDesk 600 G6 Small Form Factor Desktop offers a robust computing solution designed to meet demanding business requirements. Powered by a 10th generation Intel Core i5-10400 processor with ...
26% Off
HP Prodesk 600 G6, SFF Desktop, Intel Core i5-10400, 2.9GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished HP Prodesk 600 G6, SFF Desktop, Intel Core i5-10400, 2.9GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-726449670627
$669.00
$669.00
$899.00
The HP ProDesk 600 G6 Refurbished Desktop is engineered to deliver reliable performance for demanding business environments. Powered by an Intel Core i7-10700 processor with a base speed of 2.90 GH...
48% Off
HP Prodesk 600 G2, Mini Desktop, Intel Core i7-6700T, 2.8GHz, 16GB RAM 512GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G2 Mini Desktop, Intel Core i7-6700T, 2.8GHz, 16GB RAM, 512GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-42611186
$309.00
$309.00
$599.00
Maximize your operational efficiency with the HP ProDesk 600 G2 Mini desktop, a professionally refurbished system engineered for reliable performance in demanding work environments. Equipped with a...
36% Off
HP ProDesk 600 G6 Tower Desktop, Intel Core i7-10700, 2.9GHz, 32GB RAM, 1TB NVMe SSD, AMD Radeon, Windows 11 Pro, Grade A Refurbished - EE HP ProDesk 600 G6 Tower Desktop, Intel Core i5-10400, 2.9GHz, 16GB RAM, 256GB SSD, Windows 11 Pro - Grade A Refurbished
SKU: SL-726449678562
$509.00
$509.00
$799.00
The HP ProDesk 600 G6 Tower Desktop is a reliable and efficient refurbished workstation tailored for professional environments and demanding workloads. Equipped with an Intel Core i5-10400 (10th Ge...
35% Off
HP ProDesk 600 G3, Mini Desktop, Intel Core i5-7500T, 2.7GHz ,8GB RAM, 128GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 600 G3 Mini Desktop, Intel Core i5-7500T, 2.7GHz, 8GB RAM, 128GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-482549
$239.00
$239.00
$365.00
Optimize your workspace with the HP ProDesk 600 G3 Mini desktop, a reliable refurbished solution engineered for consistent productivity and operational efficiency. Equipped with an Intel Core i5-75...
70% Off
HP ProDesk 400 G3, Mini Desktop, Intel Core i5-6400T, 2.2GHz ,8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G3 Mini Desktop, Intel Core i5-6400T, 2.2GHz, 8GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610669
$149.00
$149.00
$499.00
Optimize your workspace with the HP ProDesk 400 G3 Mini desktop, a reliable and efficient refurbished solution tailored for professional environments. Equipped with an Intel Core i5-6400T (6th Gen)...
60% Off
HP ProDesk 400 G3, Mini Desktop, Intel Core i5-6400T, 2.2GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished HP ProDesk 400 G3 Mini Desktop, Intel Core i5-6400T, 2.2GHz, 16GB RAM, 256GB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-610670
$199.00
$199.00
$499.00
The HP ProDesk 400 G3 Mini desktop is a professionally refurbished computing solution engineered to deliver reliable performance and efficiency in a compact design. Equipped with a 6th Generation I...
43% 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, 16GB RAM, 1TB SSD, Windows 10 Pro - Grade A Refurbished
SKU: SL-615072
$399.00
$399.00
$699.00
The HP ProDesk 600 G2 Mini desktop is engineered to deliver reliable performance in a compact design, ideal for professional environments requiring efficient multitasking and dependable computing p...
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 NVMe, Windows 11 Pro- Grade A Refurbished
SKU: SL-051791280057
$449.00
$449.00
$699.00
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
$719.00
$719.00
$999.00
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...
35% Off
HP ProDesk 600 G6, Mini Desktop, Intel Core i7-10700T, 2.0GHz, 32GB RAM, 1TB NVMe, Windows 10 Pro- Grade A Refurbished HP ProDesk 600 G6, Mini Desktop, Intel Core i7-10700T, 2.0GHz, 32GB RAM, 1TB NVMe, Windows 11 Pro- Grade A Refurbished
SKU: SL-481645
$849.00
$849.00
$1,299.00
This refurbished HP ProDesk 600 G6 Desktop delivers robust performance with its Intel Core i7-10700T 10th generation processor, operating at a base speed of 2.0 GHz. Equipped with 32GB of RAM and a...
28% Off
HP ProDesk 600 G6, Mini Desktop, Intel Core i5-10500T, 2.3GHz, 32GB RAM, 1TB SSD, Windows 10 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-481691
$719.00
$719.00
$999.00
This professionally refurbished HP ProDesk 600 G6 Desktop delivers reliable performance for business and professional environments. Powered by an Intel Core i5-10500T 10th generation processor runn...
37% 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
$439.00
$439.00
$699.00
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)...

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.