HP Envy H8 Pavilion P6 P7 500 ATX PSU Power Supply 300W 667893-001 D11-300N1A

Is your HP Envy or Pavilion desktop refusing to power on? Experiencing random shutdowns or that frustrating click of death when you press the power button? Before you scrap your entire system, there’s a straightforward and affordable fix: the HP 300W Power Supply 667893-001 D11-300N1A.

Designed specifically for HP’s consumer desktop lineup, this power supply is the guaranteed drop-in replacement for HP Envy H8, Pavilion P6, Pavilion P7, and Pavilion 500 series systems. It’s a genuine OEM component that restores your system to full health without the headache of compatibility guesswork.

In this guide, we’ll cover everything you need to know about this PSU, including why it’s the right choice, its key features, and exactly what’s under the hood.

Why Choose the HP 667893-001 Power Supply?

When your HP desktop’s power supply fails, you have two paths: a generic replacement that might fit, or a genuine OEM component engineered for your specific system. The HP 667893-001 is firmly in the second camp.

This isn’t just a “compatible” power supply—it’s the exact OEM replacement for HP Envy H8, Pavilion P6, P7, and 500 series desktops. It’s built to HP’s exact specifications, ensuring perfect fitment, reliable power delivery, and the peace of mind that comes with using a part validated for your system.

The model number D11-300N1A is interchangeable with part numbers 667893-001, 667893-002, and 667893-003. If your current power supply carries any of these numbers, this unit is your perfect match.

What Makes This PSU Stand Out?

Solid 300-Watt Output

With a maximum output of 300 watts, this power supply provides clean, stable power for everyday computing tasks. Whether you’re browsing, working on documents, or streaming media, this unit delivers the reliability you need.

Standard ATX Form Factor

This power supply follows the standard ATX form factor, measuring approximately 5.9 inches wide, 3.4 inches high, and 5.5 inches deep. This makes it a straightforward replacement for the original unit inside your HP chassis. As one user confirmed, “you have a standard ATX PSU so as long as you stick with that, you can fit pretty much any inside your machine”.

Broad Voltage Support

The HP D11-300N1A is designed to be flexible, supporting input voltages of 100-240VAC at 50-60Hz. This means it works in virtually any country worldwide without manual switching.

Essential Connectors

This PSU includes all the necessary connectors to power your HP system:

• 24-Pin ATX Connector – For the motherboard

• 4-Pin P4 CPU Connector – Dedicated power for the processor

• Four SATA Connectors – For hard drives and SSDs

Compatibility: Is It Right for Your System?

The HP 667893-001 is designed specifically for HP consumer desktops. Here’s the full compatibility list:

Confirmed Compatible Models:

• HP Envy H8 Series

• HP Pavilion P6 Series

• HP Pavilion P7 Series

• HP Pavilion 500 Series

• HP Pavilion 510/550 Series

• HP ProDesk 400/600/EliteDesk 700 Series (select models)

Part Number Cross-Reference:

• 667893-001

• 667893-002

• 667893-003

• 715185-001

• D11-300N1A

⚠️ Important Note: This is a standard ATX power supply with a 24-pin connector, making it compatible with most HP consumer desktops from this era. However, some HP systems use proprietary connectors—please verify your current power supply uses a 24-pin ATX connector before purchasing.

Need a Replacement? Here’s What to Look For

Buying a replacement power supply can feel like navigating a maze. Here’s how to ensure you get the right part every time:

Verify the Part Number
Check your current power supply for labels reading “667893-001”, “667893-002”, “667893-003”, or “D11-300N1A”. If you see any of these numbers, this is your replacement.

Check the Connectors
The D11-300N1A uses a standard 24-pin ATX connector for the motherboard, plus a 4-pin CPU connector and four SATA connectors. This is the standard configuration for HP consumer desktops from this generation.

Look at the Physical Dimensions
This power supply measures approximately 5.9 x 3.4 x 5.5 inches, making it a perfect fit for HP consumer desktop chassis

Why Buy From Compvate?

At Compvate, we know that finding the right replacement part can be time-consuming and frustrating. That’s why we make the process simple and stress-free:

• Genuine OEM Parts – We only source authentic HP components, never generic “compatible” units that can fail prematurely

• Expert Technical Support – Our team knows HP systems inside and out. If you’re not sure about compatibility, we’re just a message away

• Fast Shipping – We know downtime costs money. That’s why we ship orders quickly so you can get your system back online

• Competitive Pricing – Quality replacements at prices that make sense for your budget

• Satisfaction Guaranteed – We stand behind every product we sell