How to open HP EliteBook 640 G9 – disassembly and upgrade options

This laptop covers the sweet spot between the ProBook 400 and the EliteBook 800 series. Thankfully, the upgrade options cover the best of both worlds.

Check out all HP EliteBook 640 G9 prices and configurations in our Specs System, or read more in our In-Depth review.

1. Remove the bottom plate

You need to undo only 5 captive Torx-head screws to access this notebook’s internals. Then, pry the bottom panel with a plastic tool. It’s best to start from the back.

2. Remove the battery

Our configuration features a 51.3Wh battery pack. It got us through 13 hours of Web browsing, or 10 hours of video playback. To remove it, unplug the battery connector, and undo four Phillips-head screws that keep it in place.

3. Upgrade memory and storage

Memory-wise, you get two SODIMM slots for up to 64GB of DDR4 RAM in dual-channel mode. Respectively, the storage options comprise one M.2 PCIe x4 slot with the support of Gen 4 SSDs.

4. Cooling system

As for the cooling, you get one heat pipe, which leads to a heat sink. There a single fan blows the heat away from the chassis.

Check out all HP EliteBook 640 G9 prices and configurations in our Specs System, or read more in our In-Depth review.

HP EliteBook 640 G9 in-depth review

What is HP trying to do with the EliteBook 640 G9? Well, it aims at corporations, that make huge orders of identical equipment. Since standardisation is something really important with big companies, all laptops should be secure, and reliable. Yet, once the more laptops an organization buys, the more money it saves, if it gets its employees a machine that is cheaper. So, the EliteBook 640 G9 should offer more value than the affordable ProBook 440 G9 but will be more friendly on the budget than the EliteBook 840 G9. Interestingly, HP used to call this model the ProBook 640 Gx. Apparently[...]

Pros

  • Good battery life
  • PCIe x4 Gen 4 support + 64GB of DDR4 memory in dual-channel
  • One Thunderbolt 4 connector, Wi-Fi 6, and optional LTE support
  • 95% of sRGB coverage and great color accuracy with our Gaming and Web design profile (CMN141D)
  • No PWM (CMN141D)
  • Spill-resistant keyboard
  • IR face recognition and fingerprint reader
  • Decent cooling

Cons

  • No SD card reader
  • Visually it's just a ProBook 640 G8 copy
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