N/A
LPDDR31866MHz0GBN/A
RAM for Microsoft Surface Book 3 15 (1900)
Model Years: 2020–2021
Max RAM: 32GBRAM Slots: —RAM Type: LPDDR4x 3733MHz
✓ RAM Upgradeable
Quick answer
Our data matches the Microsoft Surface Book 3 15 (1900) with N/A (LPDDR3, N/A, 1866MHz, 0GB).
Supported memory profile: LPDDR4x, N/A, 3733MHz, up to 32GB max.
Before buying, confirm your exact model number, memory generation, form factor (N/A), speed, and maximum supported capacity. Live eBay listings are shown below and may change.
Compatible RAM for the Microsoft Surface Book 3 15
Listings and prices are pulled from eBay and may change. Always verify compatibility before purchase. Listings are updated daily.
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Frequently Asked Questions
What RAM fits the Microsoft Surface Book 3 15 (1900)?
Based on our compatibility data, the Microsoft Surface Book 3 15 (1900) supports LPDDR4x, N/A, 3733MHz, up to 32GB max. Matched modules include N/A (LPDDR3, N/A, 1866MHz, 0GB). Always confirm your exact model number before purchasing.
How do I verify RAM compatibility?
Check that your device label or manual shows 1900 (or Surface Book 3 15). Confirm memory generation, form factor (N/A), speed, slot count, and maximum supported capacity match the specs on this page before ordering.
Can I mix RAM speeds or capacities?
This device has a single RAM slot, so you typically replace the existing module rather than adding a second stick. Match the supported generation, form factor, and maximum module capacity.
Are these listings live and current?
Current eBay listings for compatible RAM modules are shown below. Prices and availability change frequently — verify listing details and seller ratings before you buy.
RAM Upgrade Guide for the Microsoft Surface Book 3 15
This device uses LPDDR4x at 3733MHz. Maximum supported capacity is 32GB.
Always power off and unplug your device before installing RAM. Ground yourself to avoid static discharge.
Also upgrading storage?
See compatible SSD options for the Microsoft Surface Book 3 15 1900
See SSD Options →