DELL
DELL Precision 15 3520 Motherboard i5 2.5GHz C2731 laptop replacement part
Replacement motherboard for the Dell Precision 15 3520 with an Intel Core i5 quad-core processor at 2.5 GHz and integrated HD Graphics 630
- Compatible ManufacturerFor Dell
- Compatible ModelsFor Dell Precision 15 3520
- ColorBlue
- Restores Precision 3520 with genuine Dell C2731 motherboard
- Intel Core i5 quad-core 2.5 GHz up to 3.1 GHz Turbo
- Integrated Intel HD Graphics 630 for daily visuals
- Dual-channel DDR4 support up to 32 GB memory
- M.2 NVMe and SATA storage flexibility for upgrades
Precision 15 3520 replacement motherboard
This new motherboard is built for the Dell Precision 15 3520 laptop and arrives with an Intel Core i5 Quad-Core processor running at 2.5GHz with Turbo up to 3.1GHz. It targets technicians and owners who need a direct board-level repair for this specific chassis. Integrated Intel HD Graphics 630 handles everyday visual output.
Board-level fit and system resources
The board fits the Precision 15 3520 enclosure and connects to the existing cooling assembly, display cable, battery and daughter boards. Dual-channel DDR4 slots accept up to 32GB of memory for multitasking headroom. An M.2 slot supports both NVMe and SATA drives, giving flexible storage upgrade paths. Gigabit Ethernet, Wi-Fi and Bluetooth interfaces are routed through the board.
Sustained workload behaviour
Under continuous professional workloads the Quad-Core processor maintains clocks within its thermal envelope while the UEFI BIOS manages power states and thermal thresholds. Integrated HD Graphics 630 delivers stable frame output for 2D applications and video playback during long sessions. The compact laptop layout relies on the system fan to dissipate heat from the processor and chipset.
Highlights
- Restores Precision 3520 with genuine Dell C2731 motherboard
- Intel Core i5 quad-core 2.5 GHz up to 3.1 GHz Turbo
- Integrated Intel HD Graphics 630 for daily visuals
- Dual-channel DDR4 support up to 32 GB memory
- M.2 NVMe and SATA storage flexibility for upgrades
Specifications
| Brand | Dell |
|---|---|
| Model | Precision 15 3520 |
| Part Number | C2731 |
| Compatible Manufacturer | For Dell |
| Compatible Models | For Dell Precision 15 3520 |
| Color | Blue |
Questions about this item
How does the i5 2.5 GHz processor handle heat during sustained loads?
The Intel Core i5 Quad-Core 2.5 GHz processor reaches up to 3.1 GHz Turbo under load; sustained performance depends on the Precision 15 3520 cooling system and applied thermal paste.
What is the noise and heat profile when running all day?
The motherboard integrates Intel HD Graphics 630 and uses the laptop's existing fan assembly; acoustic and thermal output match the original Precision 15 3520 design under continuous use.
Which existing parts must I keep to make this board work?
You must reuse the Precision 15 3520 chassis, display assembly, DDR4 memory modules, M.2 NVMe or SATA storage drive, battery, and cooling fan assembly.
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