Please allow ~2-3 weeks to dispatch for quality control. Product images are for illustrative purposes only and may contain AI-generated content; they may not represent the final product you receive. Products are subject to the cosmetic grading policy detailed here.
If you are ordering a device that does not include a Windows 11 licence as standard, please check Microsoft's minimum system requirements to confirm if it can be upgraded later should you wish to do so.
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.
WEBCAM |
| Manufacturer Warranty | 1 Year |
| Features | On-Board Audio|On-Board Video Chipset|10/100 LAN Card|Bluetooth |
| Item Height | None |
| Item Width | None |
| Model | Dell Latitude 5420 i5 1145G7 2.6GHz |
| Motherboard Brand | Dell |
| Type | Motherboard |
| Processor Model | none |
| Input/output Ports | USB|HDMI|Ethernet|Audio jacks |
| Expansion Slots | PCIe|M.2 |
| Item Weight | none |
| Cpu Clock Speed | 2.6GHz |
| Compatible Cpu Brand | Intel |
| Memory Type | DDR4 SDRAM |
| Form Factor | MicroATX |
| Cpu Bus Speed | 4000 MHz |
| Custom Bundle | No |
| Number Of Cpu Cores | 4 |
| Cpu L2 Cache | None |
| Most Suitable For | Casual Computing |
| Compatible Brand | For Dell |
| Socket Type | LGA 1200 |
| Number Of Memory Slots | 2 |
| Cpu L3 Cache | None |
| Cpu Series | Core i5 |
| Item Length | None |
Refurbished Computers - Cosmetic Grading Guide
Our supplier's refurbished hardware is typically graded either "Excellent" or "Good", however, some legacy products were graded under a letter grading system (A, B, C). Please find the definitions for each grade below and contact us if you're uncertain of a device's grade.
Used Smartphone / Refurbished Mobile Phones
"Excellent" Grade
Devices in this category appear like new, with very minor wear. Expect light or fine scratches on the screen that are shallow enough not to catch on a fingernail. The edge around the glass is virtually flawless, save for possible light scratching around the power port. The back plate may show light/fine scratches, including on the Apple logo, with any discoloration being minimal.
"Good" Grade
These devices are characterized by being fully tested and functional even if they have body scratches, minor paint chips, or a small hairline crack on the screen. Screens are free from dead pixels but may exhibit slight scratching from moderate use.
Refurbished Desktops, Laptops and Monitors
"Excellent" Grade - Laptops
Reserved for units that show barely any signs of previous use, these laptops may exhibit very minor scuffing or abrasions, associated only with minimal standard use. The keyboards show light wear, and importantly, the screens are pristine, free from any scratches, cracks, chips, dead pixels, dark spots, discoloration, or blemishes.
"Excellent" Grade - Desktops
Desktop PCs in the "Excellent" grade category are free from deep scratches, cracks, paint chips, or any broken/missing pieces, ensuring a sleek and almost-new aesthetic.
"Excellent" Grade - Monitors
"Excellent" grade is reserved for units that show evidence of very little to no previous use. Any wear on an "Excellent" Display, including housing/frame and/or external surfaces (i.e. Frame) is associated with standard minimal use. "Excellent" units may have minor scuffing and / or minor abrasions on plastics with from standard light previous use."Excellent" Displays will feature no scratches, cracks, chips, dead pixels, dark spots, discoloration or blemishes. Units will only feature the standard minimal wear and tear that is associated with a used unit.
"Good" Grade - Laptops
"Good" laptops may feature one or several small dings or dents on covers and / or small paint chips on the surface or small hairline cracks in the bezel. Laptop screens may feature uneven light diffusion in screen and may feature subtle blemishes. "Good" Laptops will not feature cracks screens but may feature slight scratching, dead pixels or white spots on the screen.
"Good" Grade - Desktops
"Good" grade desktops may have light scratches on external body and may feature more excessive unit housing and/or external case wear than "Excellent" units, including wear on case / lid. "Good" PCs may feature one or several small dings or dents on covers and / or small paint chips on the surface.
"Good" Grade - Monitors
Displays in the "Good" grade have been fully tested and are functional but may include scratches on body, small paint chips, minor cracks on body, loose and/or wobbly bases. "Good" Display screens may feature uneven light diffusion in screen and may feature subtle to moderate blemishes. "Good" Displays will not feature cracks on screens but may feature slight scratching on screen surfaces from moderate use or wear, dead pixels or white spots on the screen.
Legacy letter grading
Used Smartphone / Refurbished Mobile Phones
A Grade
- No chips, scratches or cracks on the front glass and housing
- No missing or alternative parts
- No sign of liquid damage
- Battery cannot be swollen
B Grade – Same as A Grade except:
- May have light scuffs but no chips or cracks
- Light scratches on housing or front glass
C-Grade – Same as B Grade except:
- Unlimited long shallow scratches on the front glass
- No chips or cracks on the front glass
- Unlimited scratches, chips/dents on back cover housing and corners
- Minor cracks allowed
- Customized housing and aftermarket covers allowed
Refurbished Desktops, Laptops and Monitors
A-Grade
- Overall excellent to very good cosmetic condition. Some may be pristine, others may have light scratches or minor blemishes
- Laptops may have some shiny areas around the keyboard such as the space bar, touchpad or touchpad buttons
- Keyboard keys will be in excellent condition
- Laptop and monitor screens will be blemish free
- Cosmetic blemishes will not impact the overall functionality or performance of the device
B-Grade
- Will have some cosmetic blemishes that include scratches and/or other imperfections
- Minor scratches and dents on the housing
- Laptops may have shiny keys or shiny surfaces around the keyboard however all characters will be legible
- Laptop and monitors screens will have imperfections such as minor scratches, minor chips and/or white spots. There will be no cracking on the screen
- Have the same warranty as A Grade
- Pricing will be cheaper than A Grade
C-Grade
- Same as B-Grade except may have unlimited scratches/blemishes on the screen
- May have cracks/chips or dents on the housing
- Have the same warranty as A Grade
- Pricing will be cheaper than B Grade
