5185-6478 HP 7940 TORTUGA System Board (Motherboard)

OEM HP System Board 5185-6478

Designed for compatible HP systems, the HP 5185-6478 desktop motherboard is the original-specification part for repairs and refurbishment. Listed model / board reference: 7940 TORTUGA. Rather than replacing the whole computer, you change only the failed component. It is a practical part for warranty-expired repairs and refurbishment projects. An OEM-specification board is built around the original chassis, cooling and power design.

OEM Fit and Function

An OEM part number like 5185-6478 helps ensure the board matches the chassis, ports and internal cabling of the system it was designed for. Check the processor configuration of your system before ordering, as many boards are produced in several CPU variants. Platform choice affects performance headroom, connectivity and upgrade options. System information tools show the installed CPU, which helps confirm the correct board variant.

Memory, Form Factor and Expansion

Memory configuration follows the original system specification; check your existing modules before reinstalling. Install memory in the configuration recommended in the system documentation for best performance. Dual-channel memory configurations improve bandwidth where the platform supports them. Use memory of the type and speed supported by the platform.

Benefits of This Desktop Motherboard

A replacement board is a cost-effective way to return a business or home desktop to service. A sound board is the basis of a dependable system. Extending the life of existing hardware reduces cost and electronic waste.

Installation and Compatibility Tips

Move the processor, memory, cooling and expansion cards from the old board and apply fresh thermal compound. After installation, update the BIOS/UEFI and check that the system clock and boot order are correct. Avoid touching components or contacts on the board during handling. Power on with only essential parts connected before reassembling fully. Have current drivers ready, as the operating system may detect new hardware.

Get the Right HP Board

Order the 5185-6478 today when you need a reliable HP 5185-6478. Keep the 5185-6478 in mind as an HP 5185-6478 for future maintenance.

1. Non-Returnable Items: Once an order is processed, products that do not fall under 3D memory categories are considered final sale. These items cannot be cancelled or returned, so we strongly recommend confirming specifications prior to purchase.

2. Restocking Policy: In specific cases, a restocking fee of up to 25% may be applied. This depends on the product category and condition. Our team will always advise you in advance where applicable.

3. Product Condition: Unless clearly stated as brand-new retail stock, all products are supplied in professionally refurbished condition. Each item is thoroughly tested to ensure reliable performance and quality assurance.

4. Fast Dispatch & Availability: We aim to dispatch most orders within 24 hours, subject to stock availability. If you require urgent or same-day shipping, please contact our customer support team at (207) 993-8331 directly for expedited handling.

5. Part Number Compatibility: Leading manufacturers such as Dell, HP, IBM, and Compaq may assign multiple identifiers to the same product, including Spare Part Numbers (Spare P/N) or FRU (Field Replaceable Unit) numbers. The item you receive may carry either designation, both of which are fully compatible and functionally equivalent.

6. Warranty Coverage: All products include a 30-day limited warranty, covering replacement in the event of DOA (Dead on Arrival) items with the same part number. Selected storage devices may qualify for an extended 90-day warranty—please confirm with our team before purchase. Additionally, manufacturer warranty options may intact for new product if any. 

7. Drivers & Installation Media: As most products are supplied in bulk packaging, installation media such as CDs, drivers, or manuals may not be included. If required, please check availability with our sales team prior to ordering.

8. Shipping Information: Standard shipping rates are automatically calculated for lightweight IT components such as memory and storage devices (under 5 lbs). For larger or heavier equipment—including servers, racks, and motherboards—shipping costs may vary. Our team will notify you if any adjustments are required. 

9. Product Images Disclaimer: All images displayed are for reference purposes only. The actual product received may differ slightly in appearance while maintaining the same specifications and performance.

10. Packaging Details: Some items may be delivered in bulk or non-retail packaging, especially for high-volume or consolidated orders. This ensures cost efficiency without compromising product quality.

11. End-of-Life (EOL) Products: For discontinued or end-of-life products, we may supply an equivalent replacement with matching specifications, functionality, and compatible FRU where necessary.

12. Refurbished Printers: Please note that refurbished printers may not include toner cartridges, or may be supplied with partially used consumables.

13. Need Assistance? If you have any questions regarding product specifications, compatibility, warranty, or shipping, our team is here to help. Contact us at [email protected] or call us at (207) 993-8331 directly before placing your order to ensure a smooth purchasing experience.