Model-specific guide

Dell · Latitude

Dell Latitude 5420

Everything you need to understand this laptop — core hardware, graphics, display, connectivity and practical upgrade options.

Full specificationsRAM compatibilitySSD upgrade guide

Processor

10th-gen Intel Core i5-10310U; 11th-gen Core i3-1125G4, i5-1135G7/i5-1145G7, or i7-1165G7/i7-1185G7, depending on configuration

Graphics

Integrated Intel UHD Graphics (10th-gen/i3 configurations) or Intel Iris Xe Graphics (11th-gen Core i5/i7; dual-channel memory affects Iris Xe branding/performance)

RAM ceiling

Up to 64 GB listed

Storage

1 M.2 slot

The complete picture

Hardware specifications

Options can vary by product number, country and factory configuration. Unknown details are labelled rather than guessed.

12 specification entries

Performance

Processor, graphics and acceleration

Processor options: 10th-gen Intel Core i5-10310U
11th-gen Core i3-1125G4, i5-1135G7/i5-1145G7, or i7-1165G7/i7-1185G7, depending on configuration
GPU: Integrated Intel UHD Graphics (10th-gen/i3 configurations) or Intel Iris Xe Graphics (11th-gen Core i5/i7
dual-channel memory affects Iris Xe branding/performance)
Chipset / AI hardware: Intel platform chipset
no dedicated NPU listed

Display & media

Screen, camera and sound

Panel: 14-inch HD (1366 × 768) or Full HD (1920 × 1080)
brightness, touch and colour-gamut options vary by panel
Camera: HD webcam options
IR camera available on selected configurations
Audio: Stereo speakers, dual-array microphones and universal audio jack

Connectivity & security

Ports, wireless and protection

Ports: USB-A 3.2 Gen 1, USB-A 3.2 Gen 1 with PowerShare, HDMI 2.0, RJ-45 Ethernet, microSD reader, universal audio
USB-C/Thunderbolt 4 ports on supported configurations
Wireless: Wi-Fi and Bluetooth options vary by installed wireless card
optional mobile broadband on some configurations
Security: Optional fingerprint reader, IR camera and security features vary by configuration

Power & design

Battery, operating system and build

Battery: 42 Wh or 63 Wh battery options, depending on configuration
Weight / dimensions: Starting weight and dimensions vary with panel, battery and configuration
check the service tag for the exact unit
Operating system: Shipped with Windows options depending on order and region
installed OS may have been changed

Plan your upgrade

Possible upgrades

See the listed RAM ceiling, storage options and what each upgrade is useful for. Maximums are only shown when supported by the model information available here.

RAM upgrade

Up to 64 GB

Listed model capacity; confirm your exact configuration before buying.

SSD upgrade

Max listed capacity: 2230: up to 512 GB · 2280: up to 1 TB

Capacity shown is based on documented manufacturer options, not necessarily a hard limit. Confirm the exact configuration and connector before buying.

RAM upgrade

Increase memory for smoother multitasking

Everyday multitasking

Option 1

Useful for: Many browser tabs, schoolwork and office apps

Suggested upgrade

If currently at 8 GB, consider 16 GB (2 × 8 GB).

Compatibility to check

DDR4-3200 SO-DIMM. Check occupied slots before ordering.

Heavier workloads

Option 2

Useful for: Development, virtual machines and demanding multitasking

Suggested upgrade

Consider 32 GB (2 × 16 GB); up to 64 GB (2 × 32 GB) is listed for this model.

Compatibility to check

Use matched modules where practical; confirm the exact system configuration.

Storage upgrade

Replace or add storage where supported

More room for files

Option 1

Useful for: Games, projects, photos and large applications

Suggested upgrade

Replace the existing SSD with a larger M.2 NVMe SSD, such as 1 TB.

Compatibility to check

One SSD slot; check whether your unit uses M.2 2230 or 2280 and confirm bracket fit.

RAM and SSD upgrades are separate. Back up files before replacing the boot drive.

Check before you buy

Upgrade compatibility

RAM specifications

Memory type, slots and listed capacity

Memory type: DDR4 SO-DIMM, dual-channel
Speed: 3200 MHz
Slots: 2
Maximum: 64 GB
Module sizes: 4, 8, 16 or 32 GB per slot

Listed configurations

1 × 4 GB2 × 4 GB1 × 8 GB2 × 8 GB1 × 16 GB2 × 16 GB2 × 32 GB (64 GB)

No additional restrictions listed.

SSD & storage specifications

Drive format, connection and limits

SSD slots: 1 M.2 slot
Sizes: M.2 2230 or M.2 2280
Interface: PCIe Gen 3 x4 NVMe
Max listed capacity: 2230: up to 512 GB
2280: up to 1 TB
Capacities Dell offered, not a hard limit
2.5-inch SATA drive: Not verified
Not listed by Dell

Only one SSD can be installed — upgrading means replacing the existing drive.
A 2280 SSD in a unit shipped with a 2230 needs the matching mounting bracket/screw position.

Before you order parts

Enter your service tag on Dell Support to see whether your unit shipped with a 2230 or 2280 SSD.
Check how many RAM slots are already filled; for dual-channel speed, install modules in matched pairs.
Buy an NVMe SSD — SATA M.2 drives are not listed for this model.

Official specifications & sources

Manufacturer pages are the reference for exact configurations.