Inside Dell Latitude 14 7420 – disassembly and upgrade options

As one of the best business notebooks of the year, the Latitude 14 7420 delivers on every front. Well, except for memory upgradability.

Check out all Dell Latitude 14 7420 prices and configurations in our Specs System or read more in our In-Depth review.

1. Remove the bottom plate

Before you remove the bottom panel of this laptop, you should remove the SIM card tray. Then, undo all 8 Phillips-head screws, and pry the panel, starting from the hinge gaps.

2. Battery

The first thing we see inside is the battery pack. This model comes equipped either with a 42Wh unit or a 63Wh one.

3. Мemory and storage

Unfortunately, the memory chips are soldered onto the motherboard. On the bright side, the available configurations include 8, 16, or 32GB of LPDDR4x RAM, all working in dual-channel mode. Storage-wise, there is one M.2 slot, that supports PCIe x4 drives.

4. Cooling system

As for the cooling, the temperatures inside are managed by two heat pipes, which lead to a side-mounted heat sink.

Check out all Dell Latitude 14 7420 prices and configurations in our Specs System or read more in our In-Depth review.

Dell Latitude 14 7420 in-depth review

The premium business laptop niche is a market full of high-demand users. And rightfully so, because they need a device that is secure, stable, and won't let them down at any time.Well, the Latitude 14 7420 comes in time to provide all of the aforementioned and more. Given the fact that pretty much all of the previous Latitude 7000 series notebooks were pretty capable in terms of performance, we expect nothing less from this model. Especially considered the Tiger Lake CPUs that it packs, which are the best effort from Intel in years.In addition to that, you get an optional WWAN card fo[...]


  • A ton of security software + a human detecting proximity sensor
  • Doesn't use PWM for brightness adjustment (LG V0GPY-133WF7)
  • Wi-Fi 6 support, optional LTE connectivity, and an optional Smart Card reader
  • Great battery life
  • Choice of carbon and aluminum for build materials
  • Comfortable keyboard (but suffers from deck flex)
  • Optional fingerprint reader and IR face recognition systems
  • Wide I/O, including two Thunderbolt 4 connectors, and a MicroSD card reader
  • Covers 90% of sRGB colors and offers accurate color representation thanks to our Gaming and Web design profile (LG V0GPY-133WF7)


  • Premium price tag
  • Memory is soldered to the motherboard
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