In this guide, I’ll disassemble HP Elitebook 820 G2, refer to this guide, you can upgrade SSD, WWAN, RAM for your Elitebook 820 G2.
Sliding the latch to the left, remove the service cover.
HP Elitebook 820 G2’s service cover
Under the cover, you can get access to the hard drive, RAM, battery, hard drive module and wireless card.
HP Elitebook 820 G2 wireless card, HP part number: 756748-001.
The Intel® Dual Band Wireless-AC 7265 wireless card. It is support for 802.11ac, 2 x 2 Wi-Fi and Bluetooth 4.0.
HP Elitebook 820 G2 have two RAM slots, comes with one 8GB DDR3L 1600MHz RAM, HP part number: 693374-001.
The spare RAM slot, you can add another 8GB DDR3L 1600MHz RAM.
WWAN and SSD slot.
HP Elitebook 820 G2 comes with an 11.1v, 26wh battery, HP part number: 717377-001.