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Compression-mounted laptop RAM is fast, efficient, and upgradeable

A photo showing someone holding a LPCAMM2 memory stick
Image: iFixit

The first laptop with LPCAMM2 memory is finally here. The folks at iFixit got their hands on the Lenovo ThinkPad P1 (Gen 7), which uses LPDDR5X memory in an LPCAMM2 module that you can upgrade or replace by simply unscrewing from the laptop’s motherboard.

That’s a major change from existing LPDDR memory in most modern laptops. This type of memory is typically soldered onto the motherboard, making it much more difficult to upgrade. LPCAMM2 — or Low-Power Compression-Attached Memory Module — offers modularity without losing the power efficiency of LPDDR.

Traditional DDR RAM uses SODIMM sticks that slot into the motherboard, much like on desktop PCs. As pointed out by iFixit, LPDDR is much more power-efficient, but it needs to be soldered…

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