Built to Last. Engineered to Perform. Renewed for Professional Workloads.
The HP ProDesk 400 G6 SFF (Small Form Factor) is a compact yet powerful business-class desktop designed for professionals who demand reliability, speed, and modern specs in a slim, efficient chassis. Despite being renewed, this system delivers impressive performance for administrative workloads, data management, web development, and light creative tasks.
Let’s dive into the specs that matter—and why they benefit real-world productivity.
⚙️ Full Technical Specification
| Component | Specification |
|---|---|
| Processor | Intel Core i5-9500 – 6 Cores / 6 Threads – Base 3.0GHz, Turbo up to 4.4GHz |
| Motherboard | HP OEM Business Board – LGA 1151, Intel B365 Chipset |
| Graphics | Intel UHD Graphics 630 – Integrated, supports up to 3 monitors |
| Memory (RAM) | 16GB DDR4 2666MHz – Dual Channel Configuration |
| Storage | 1TB PCIe Gen 4.0 x4 NVMe SSD – High-speed, ultra-reliable storage |
| Optical Drive | DVD-RW Drive – Read/write support |
| Networking | Gigabit Ethernet – RJ45 LAN |
| Ports | 6x USB 3.1, 4x USB 2.0, 1x DisplayPort, 1x VGA, Audio In/Out, Serial Port |
| Operating System | Windows 11 Pro 64-bit – Pre-installed & activated |
| Form Factor | Small Form Factor (SFF) – Low-profile, desk-friendly |
| Condition | Professionally Renewed – Fully tested, cleaned, and guaranteed |
| Warranty | 1 Year Return-to-Base Warranty + 30-Day Money-Back Guarantee |
🟢 Pros & 🔴 Cons
Pros
✅ Fast, responsive performance with 6-core i5 processor
✅ Blazing quick PCIe Gen 4 NVMe storage
✅ Small footprint ideal for limited desk space
✅ 16GB RAM makes multitasking seamless
✅ Windows 11 Pro for business-ready security and productivity
Cons
🔴 Integrated graphics limits heavy 3D workloads
🔴 No built-in Wi-Fi (Ethernet only unless upgraded)
🔴 Not designed for future GPU upgrades due to SFF layout
🛠 What This PC Is Used For
Ideal for:
Business and office environments
Web-based applications, spreadsheets, and CRM software
Working from home or remote office setups
Running virtual machines (within reasonable limits)
HD media consumption and light creative workloads
It’s not built for gaming or 3D rendering, but for the typical pro user, it ticks every essential box.
💬 Why We Like This Product – Reviewed by the YPC Team
At Yorkshire Outdoor Activity Park, we outfitted our front desk with this exact HP ProDesk model. We needed something fast, quiet, and slim enough to fit under a compact counter—this one delivered. The 1TB NVMe SSD boots into Windows 11 Pro in seconds, and even with multiple apps open (think booking systems, email, Chrome), performance never lagged. It may be renewed, but it runs like new.
🔁 Alternatives Worth Considering
Dell OptiPlex 7070 SFF – i5-9500, 16GB RAM, 512GB SSD
Slightly smaller SSD, but similar performance and form factor.
Lenovo ThinkCentre M720s – i5-9400, 16GB RAM, 256GB NVMe
Compact and efficient, but less storage space and slightly slower CPU.
HP EliteDesk 800 G4 Mini – i5-8500T, 8GB RAM, 256GB SSD
Ultra-compact but better for light office work due to lower power CPU.
📌 Tips for Optimal Use
Consider adding a low-profile USB Wi-Fi dongle if you’re not wired to Ethernet.
Pair with a dual-monitor setup via DisplayPort and VGA for maximum productivity.
Set up BitLocker in Windows 11 Pro to secure business data if you’re storing sensitive files.
Keep the vents clear – SFF machines can run warm under prolonged load.
🔍 FAQ – You Asked, We Answered
Q1: Is this machine brand new?
No, it’s professionally renewed—fully tested, cleaned, and covered by a 1-year warranty.
Q2: Does it have Wi-Fi?
Not built-in. You’ll need to add a USB Wi-Fi dongle or use Ethernet.
Q3: Is the NVMe SSD upgradeable?
Yes, the PCIe slot is user-accessible.
Q4: Can I upgrade the RAM?
Yes, up to 64GB DDR4 supported via 2 DIMM slots.
Q5: Will it support dual monitors?
Yes, using DisplayPort and VGA simultaneously.
Q6: Is Windows 11 Pro pre-installed and activated?
Yes, it’s installed, activated, and ready to use on first boot.
Q7: Can I install a dedicated GPU?
Limited by SFF case and PSU—only low-profile cards are feasible.
Q8: What’s the difference between renewed and refurbished?
“Renewed” here means professionally reconditioned for resale, tested, and backed by warranty.
Q9: Can I connect a DVD or CD via the drive?
Yes, it includes a built-in DVD-RW optical drive.
Q10: Is this good for video editing?
Basic editing is fine, but for intensive work, a system with a dedicated GPU is recommended.
📚 Buyer’s Guide: Renewed Desktop vs New Build
Renewed desktops like the HP ProDesk 400 G6 offer enterprise-grade build quality at a fraction of the price of newer consumer machines. You’re getting a high-speed SSD, 6-core CPU, and business-class features in a compact form. Just know that upgrade paths are limited, so buy for what you need now—not what you might want to add later.
Looking for more options?
Browse our full range of Desktop PC's for other great choices to suit your space, goals, and budget.
