HP ZBook Studio G4 Disassembly (SSD, RAM Upgrade Options)


In this guide, I will disassemble an HP ZBook Studio G4 laptop. I will remove the bottom cover in order to access the battery, RAM, SSD, Wi-Fi card, cooling fan, heat sink and motherboard.

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First of all, shut down and close the laptop.
Flip it over and place it on the table. From the design of the back cover, the back cover of the ZBook Studio G4 is very different from the back cover of the ZBook Studio G3.
Loosen the 11 captive Torx screws that secure the bottom cover to the laptop and lift the bottom cover off the computer.

Under the bottom cover, you can get access to the battery, RAM, SSD, Wi-Fi module, CMOS battery, heat sink, cooling fan and motherboard.

The heat sink has two copper pipes, one is only connecting to graphics card fan, and another one is connecting both graphics card fan and CPU fan.

The laptop comes with a Samsung 512GB MZ-VLW5120 PM961 M.2 PCIe NVMe SSD, HP P/N: 862999-001.

The ZBook Studio G4 comes with two Samsung 8GB DDR4-2400MHz dual-channel RAMs, HP P/N: 865398-852.
The laptop also supports ECC or non-ECC SDRAM, non-ECC memory only available with Intel Core processors and the ECC memory only available with Intel Xeon processors.

Intel Dual Band Wireless-AC 8265 wireless card with Bluetooth 4.2

15.2V, 64Wh, 4210mAh Li-ion battery, HP P/N: HSTNN-LB6W.

In addition to its own SSD, it also provides a spare M.2 slot and supports PCIe NVMe SSD.



  1. Thank you for this. Just got one myself and considerin upgrading the RAM from 8gb to either 16 or 32. Do you think it would work to buy non-ecc memory even though I have a Xeon processor?


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