# Small Outline Dual In-line Memory Module A SO-DIMM is a compact removable memory-module format commonly used in laptops. PDF page 6 of [[Scanned_20260803-1201]] preserves a Samsung DDR3L SO-DIMM removed from a ThinkPad and cataloged as Card #23. ## Boundary Removal and labeling establish physical handling, not what data or code was present in volatile memory at an earlier time.