HP EliteDesk 800 G5 Tower, Core i5-9500, 8GB RAM 1TB HDD, refurbished business PC, Windows 10 Pro desktop, HP EliteDesk upgrade, NVMe SSD upgrade, can it run Windows 11, best refurbished PC, office desktop, low-profile GPU.
The HP EliteDesk 800 G5 Tower is a cornerstone of corporate IT, representing the gold standard in business-grade desktops from its generation. This specific configuration (Core i5-9500, 8GB RAM, 1TB HDD) was a common deployment for general office use. As these units cycle out of corporate lease, they have become exceptional values in the refurbished market. This guide provides a complete breakdown.
At a Glance: Key Features & Overview
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Form Factor: Mini Tower (TWR) – Offers excellent expandability.
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Processor: 9th Gen Intel Core i5-9500 (6 cores, 6 threads) – A capable and efficient CPU.
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Memory: 8GB DDR4 RAM – The most common bottleneck; easy and cheap to upgrade.
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Storage: 1TB 7200RPM SATA HDD – The primary performance bottleneck; slow for modern OS use.
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OS: Windows 10 Pro (Eligible for free upgrade to Windows 11 Pro).
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Key Feature: High build quality, extensive security features, and massive upgrade potential.
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Status: Discontinued by HP, widely available as a refurbished unit.
Full Technical Specifications
| Category | Specification |
|---|---|
| Model | HP EliteDesk 800 G5 Tower (TWR) |
| Processor (CPU) | Intel Core i5-9500 (6 Cores, 6 Threads, 3.0 GHz base, up to 4.4 GHz) |
| Memory (RAM) | 8GB DDR4 (Typically 1x 8GB or 2x 4GB stick), Supports up to 128GB (4 slots) |
| Storage (Configured) | 1TB 7200RPM SATA Hard Drive (HDD) |
| Storage (Expansion) | Multiple internal bays & SATA ports. Supports multiple 2.5″ & 3.5″ drives plus M.2 NVMe SSDs. |
| Graphics | Integrated Intel UHD Graphics 630 |
| Operating System | Windows 10 Pro (64-bit) – Includes license for Windows 11 Pro |
| Ports (Front) | USB 3.1 Type-A, USB 3.1 Type-C, Headphone/Mic jack |
| Ports (Rear) | USB 3.1, USB 2.0, DisplayPort (often 2x), VGA, Serial Port, RJ-45 Ethernet, Audio Jacks |
| Network | Gigabit Ethernet, Optional Wi-Fi & Bluetooth (check if installed) |
| Expansion Slots | Multiple PCIe slots (e.g., x16, x1, x4) |
| Power Supply | Typically 310W (more than sufficient for this config and a low-profile GPU) |
| Security | HP Sure Start, TPM 2.0, Kensington Lock Slot |
In-Depth Analysis of Performance & Upgradeability
This configuration is a tale of two components: a strong foundation with two critical, easy-to-upgrade bottlenecks.
The Strong Foundation: CPU & Platform
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Intel Core i5-9500: This 6-core processor is exceptionally capable for general office productivity, web browsing with dozens of tabs, accounting software, and even light photo editing. It will not be the bottleneck for the intended use case.
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HP Business Build Quality: The EliteDesk series is built to last with high-quality components, quiet operation, and robust security features like TPM 2.0.
The Bottlenecks & Critical Upgrades
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The HDD (Biggest Issue): The 1TB Hard Drive is the single biggest performance killer. It will lead to slow boot times, sluggish application launches, and overall system lag.
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Essential Upgrade: Adding a 256GB or 512GB NVMe SSD as the primary boot drive (for the OS and applications) will transform this PC into a fast, modern-feeling machine. The 1TB HDD can then be repurposed for bulk file storage.
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The RAM (Future-Proofing): 8GB of RAM is the absolute minimum for Windows 10/11, especially with modern browsers. It will work, but heavy multitasking will cause slowdowns as the system uses the page file on the slow HDD.
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Recommended Upgrade: Adding a second 8GB stick (for 16GB total in dual-channel mode) is a low-cost upgrade that significantly improves multitasking responsiveness and future-proofs the system.
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Who Is This Desktop For? (Ideal Use Cases)
This PC, especially after a simple SSD upgrade, is perfect for:
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Home Office & General Business: Excel, Word, email, and CRM software run flawlessly.
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Small Business Refurbished Deployment: An incredibly cost-effective and reliable choice for outfitting an entire office.
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Students & Remote Learning: Handles all educational software and video conferencing with ease.
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Light Productivity & Media Consumption: A great family computer for web browsing, streaming, and managing photos.
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DIY Enthusiasts: A fantastic base machine for a budget build, with room to add a dedicated GPU for light gaming.
Pros and Cons Summary
Pros:
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Excellent Value: Extremely affordable on the refurbished market.
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Superb Build Quality & Reliability: Built to higher standards than consumer-grade desktops.
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Massive Upgrade Potential: Easy to add RAM, NVMe SSD, and even a dedicated graphics card.
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Windows 10/11 Pro License: Includes valuable business features like BitLocker encryption and Remote Desktop.
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Quiet and Efficient: Designed for a quiet office environment.
Cons (Out-of-the-Box):
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Severe Storage Bottleneck: The 1TB HDD makes the system feel outdated and slow.
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RAM is Minimal: 8GB will feel constrained for power users.
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Integrated Graphics Only: Not suitable for gaming or GPU-accelerated tasks without an upgrade.
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May Lack Wi-Fi: Often sold without a Wi-Fi card, requiring a USB dongle or PCIe card.
Frequently Asked Questions (FAQ)
Q1: Can this PC run Windows 11?
A: Yes, perfectly. The Core i5-9500 is on Microsoft’s official supported list, and the system includes a TPM 2.0 chip. It is eligible for a free upgrade from Windows 10 Pro to Windows 11 Pro.
Q2: What is the most important upgrade to make?
A: An NVMe SSD, without a doubt. Replacing the 1TB HDD with a solid-state drive as the primary boot drive is the single most impactful upgrade you can make. It will feel like a completely new, fast computer.
Q3: Can I add a graphics card for gaming?
A: Yes, but with limits. The case and standard 310W power supply can accommodate low-profile, single-slot graphics cards that don’t require external power. Examples include the NVIDIA GTX 1650 Low Profile or newer equivalents. This would allow for 1080p gaming at medium settings.
Q4: Is buying a refurbished HP EliteDesk safe?
A: Yes, if purchased from a reputable refurbisher. Look for sellers that offer a warranty (e.g., 1 year), test all components, and provide clean installations of the operating system.
Final Verdict
The HP EliteDesk 800 G5 Tower with a Core i5-9500 is a bedrock of reliability and potential. Out of the box, its configured 8GB RAM and 1TB HDD hold it back significantly.
However, with one or two simple and inexpensive upgrades—primarily an NVMe SSD and potentially more RAM—it transforms into a powerful, silent, and highly capable desktop that can easily handle the demands of modern business and home use for years to come. For the price, it represents one of the best values in the refurbished PC market.



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