DELL
DELL Latitude E5420 Motherboard NHWTJ
Replacement system board for Latitude E5420 with HM65 chipset, dual-core support, 3 MB cache and up to 3.2 GHz turbo across two memory slots
- Accessory TypeMotherboard
- Genuine Dell replacement restores full laptop function
- HM65 Express chipset with dual-core support
- Intel Turbo 2.0 boosts speed to 3.2 GHz
- Two memory slots accept up to 8 GB total
- Built specifically for Latitude E5420 systems
Dell Latitude E5420 System Board
This genuine Dell motherboard is the direct replacement system board for the Latitude E5420 laptop. It restores full platform functionality when the original board has failed. The part carries Dell part number NHWTJ and is supplied new. It is intended for technicians or owners repairing this specific model.
HM65 Chipset with Dual-Core Support
The board uses the Mobile Intel HM65 Express chipset and supports dual-core processors with Intel Turbo Boost Technology 2.0. It provides two memory slots accepting up to 8 GB total system memory. The processor can reach a maximum turbo frequency of 3.2 GHz with 3 MB cache. Performance is limited to the capabilities of this chipset generation and the 8 GB memory ceiling.
Repair Upgrade for E5420 Owners
This board replaces a failed or damaged NHWTJ system board in a Latitude E5420 chassis. The swap is worthwhile when the laptop chassis, display and peripherals remain in good condition. It is not suitable for buyers needing more than two memory slots, higher memory capacity, or a different processor socket. It does not fit other laptop models.
Highlights
- Genuine Dell replacement restores full laptop function
- HM65 Express chipset with dual-core support
- Intel Turbo 2.0 boosts speed to 3.2 GHz
- Two memory slots accept up to 8 GB total
- Built specifically for Latitude E5420 systems
Specifications
| Brand | DELL |
|---|---|
| Model | Compatible Model: Dell Latitude E5420 |
| Part Number | NHWTJ |
| Accessory Type | Motherboard |
Questions about this item
Will the NHWTJ board fit the existing chassis and cooling assembly of my Latitude E5420?
The NHWTJ is the designated system board for the Latitude E5420, so it aligns with the original mounting points and thermal layout of that chassis.
How can I confirm the NHWTJ motherboard is functioning correctly after installation?
Power on the laptop and verify the Dell BIOS splash screen appears, then enter BIOS to confirm the HM65 chipset is detected and the processor reaches its 3.2 GHz maximum turbo frequency.
Does the NHWTJ motherboard include the processor and memory, or must those be sourced separately?
The board is supplied as a bare system board; the HM65 chipset, dual-core processor, and up to 8 GB of memory across two slots must be transferred from the original unit or purchased separately.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
Kensington Desk Mount Cable Anchor K64613WW accessory
- Black
- Provides a secure a…
Panasonic CF-VDR291U laptop cooling pad
- Optical Drive
- Buffer Size: 2 MB B…
eReplacements PB992A-ER laptop battery 14.4V
- Battery
- Lithium-Ion



