Dell Latitude 5420 i5 1135G7 2.4GHz Motherboard 0161D1 | Wty

Intel Core i5‑1135G7 CPU, dual DDR4 SO‑DIMM memory slots (up to 64 GB), PCIe NVMe M.2 storage support, integrated Intel Iris Xe graphics and full Latitude 5420 I/O make this certified refurbished Dell CN‑0161D1 GDF40 / LA‑K491P motherboard a powerful drop‑in replacement system board for your 14‑inch Latitude 5420, backed by a 1‑year Reboot IT warranty and thorough feature testing.

Product overview

This OEM Dell Latitude 14 5420 mainboard (part number 0161D1 / CN‑0161D1) is built on the GDF40 / LA‑K491P platform and comes with a soldered 11th‑gen Intel Core i5‑1135G7 processor and Intel Iris Xe integrated graphics, exactly as used in factory Latitude 5420 configurations.
It supports two user‑replaceable DDR4 SO‑DIMM slots (up to 64 GB), at least one PCIe NVMe M.2 SSD slot, and all the standard Latitude 5420 internal connectors for display, keyboard, touchpad, WLAN, WWAN, camera, fingerprint reader and sensors.
This board is ideal if you need to repair or upgrade an existing Latitude 5420 chassis while keeping your current RAM, SSD, and other assemblies.

Practical use cases

• Restore a non‑working Latitude 5420 with motherboard failure while reusing your existing case, screen, keyboard and storage.
• Upgrade from a lower‑spec CPU board (for example earlier‑gen Latitude) by moving into a 5420 chassis using this modern 11th‑gen Core i5 platform.
• Build a reliable business, study or home‑office machine with strong productivity performance, Thunderbolt 4 connectivity and support for dual external screens once installed in a compatible chassis.

Key features and benefits

• Genuine Dell Latitude 5420 platform – OEM GDF40 / LA‑K491P design with i5‑1135G7 CPU ensures full compatibility with Latitude 14 5420 housings, thermal assemblies and cables.
• 11th‑gen Intel Core i5‑1135G7 performance – quad‑core, 8‑thread CPU with up to 4.2 GHz turbo and Intel Iris Xe graphics delivers fast everyday computing, multitasking and smooth FHD display output.
• Flexible DDR4 memory – two DDR4 SO‑DIMM slots (not soldered) let you install or upgrade RAM up to 64 GB, ideal for heavy multitasking and business workloads.
• Fast NVMe storage support – M.2 PCIe NVMe SSD slot lets you use modern high‑speed SSDs for rapid boot and application load times.
• Full Latitude 5420 I/O – board‑level support for RJ‑45 Ethernet, USB 3.2 Type‑A, dual Thunderbolt 4 / USB4 Type‑C with DisplayPort Alt Mode and Power Delivery, HDMI 2.0, audio jack, microSD and smart card reader where present in the host chassis.
• Enterprise‑ready connectivity – integrated Ethernet NIC plus M.2 WLAN/WWAN slots for Wi‑Fi, Bluetooth and optional mobile broadband when paired with the appropriate cards.
• Security and sensors – support for optional fingerprint reader, lid and thermal sensors, keyboard backlight control and other platform security features.
• Certified refurbished quality – all units are verified refurb through Reboot IT’s thorough testing process, ensuring reliable, ready‑to‑install operation.
• 1‑year warranty – sold by Reboot IT with 1‑year warranty for extra confidence in your replacement mainboard.

Operating system: pros and cons

This motherboard is designed for modern operating systems such as Windows 10 Pro or Windows 11 Pro, as used on Latitude 5420 laptops.

• Pros: Broad driver support from Dell, strong security updates, familiarity in business environments, and excellent application compatibility make Windows 10/11 Pro a dependable choice.
• Cons: Windows can be resource‑intensive compared with lighter operating systems, and automatic updates or background processes may occasionally affect performance if the system is not configured optimally.

Excellent vs Good grade (refurbished)

• Excellent grade: Offers an almost‑new experience with minimal, barely noticeable signs of previous use, ideal where appearance is important such as client‑facing or office environments.
• Good grade: Provides the same fully functional, thoroughly tested performance at a lower price point, but may show more visible cosmetic signs of previous use that do not affect operation.

Regardless of grade, all devices go through the same rigorous testing, cleaning and refurbishment process and are fully functional.

Specifications (typical Latitude 5420 platform)

• Platform / board family: Dell Latitude 14 5420 GDF40 / LA‑K491P mainboard (system board footprint for 14‑inch chassis)
• Processor: Intel Core i5‑1135G7, 4 cores / 8 threads, 2.40 GHz base up to 4.20 GHz turbo, 8 MB cache, 11th‑gen Tiger Lake U‑series, BGA‑soldered
• Graphics: Intel Iris Xe integrated graphics, driving internal eDP FHD panels and external displays via HDMI 2.0 and Thunderbolt 4 / USB‑C
• Memory: 2 × DDR4 SO‑DIMM slots, up to 64 GB DDR4 (typically 3200 MT/s), user‑replaceable modules (no soldered RAM)
• Storage: M.2 PCIe NVMe SSD support (M.2 2280), solid‑state storage only at system level, no 2.5‑inch bay on standard 14‑inch Latitude 5420 chassis
• Internal connectors: eDP display, camera/IR, touchpad and keyboard, speakers, fingerprint reader, WWAN, WLAN, smart card and microSD card reader (where fitted in the system), sensor and touch cables
• External ports (when installed in 5420 chassis): 1 × RJ‑45 Ethernet, 2 × USB 3.2 Gen 1 Type‑A (one with PowerShare), 2 × Thunderbolt 4 / USB4 Type‑C (DP Alt Mode & Power Delivery), 1 × HDMI 2.0, 1 × combined headphone/microphone jack
• Networking support: On‑board Ethernet NIC; M.2 WLAN/Bluetooth card and optional WWAN modem via dedicated slots and antenna connections
• Form factor / dimensions: Full‑coverage 14‑inch notebook mainboard designed for Latitude 5420 chassis; overall system dimensions typically around 321.4 mm (W) × 212 mm (D) × 19.3 mm (H), with system weight approx. 1.37 kg when assembled
• Firmware: Supports Dell Latitude 5420 system BIOS/UEFI images with ongoing security and platform updates from Dell

Quality assurance and refurbishment process

Reboot IT has been an expert in the refurbished technology industry since 2001, using cutting‑edge testing software and processes refined over decades of professional experience.
Every CN‑0161D1 Latitude 5420 motherboard is professionally cleaned, inspected and certified refurbished, with all units verified refurb through Reboot IT’s thorough testing process.
All features and functions are tested, including CPU performance, RAM slots, M.2 storage, USB, Thunderbolt, HDMI, Ethernet, audio, and all relevant internal connectors, and any faulty components are repaired or replaced before sale.
Reboot IT follows industry‑leading procedures as one of Australia’s most experienced refurbished IT specialists, delivering business‑grade reliability at a fraction of new‑device pricing.

Warranty and support

This Dell Latitude 14 5420 CN‑0161D1 motherboard is sold by Reboot IT with a 1‑year warranty, providing peace of mind for your repair or upgrade project.
In the unlikely event of a problem, Reboot IT’s local support team can assist with troubleshooting, warranty claims and technical advice to get you back up and running quickly.

Why choose this board from Reboot IT?

• Certified, refurbished OEM Dell system board tailored for Latitude 5420 systems.
• Verified refurb units with all features and functions tested using advanced diagnostic software.
• Backed by over two decades of refurbishment expertise and a solid 1‑year warranty.

Equip your Dell Latitude 14 5420 with a high‑quality, certified refurbished CN‑0161D1 motherboard from Reboot IT and restore reliable 11th‑gen Intel performance—add it to your cart now and get your system back to work with confidence.