Computer memories from US brands and US-based sellers
Amazon ranks by what sells fastest, so a computer memory from an established brand gets buried under cheap imports no matter how far you scroll. This page lists the US brands and US-based sellers for computer memories, so you can start from the ones worth trusting.
We read each seller's registered country from Amazon's own published seller info. We don't claim anything here is manufactured in the US, only that you're buying from a US brand or a US-based seller.
Confirmed US brands and sellers
6 listings where Amazon's own seller info places the seller in the US. Each badge says which.

OWC Memory 32GB (2X 16GB) DDR4 PC4-21300 2666MHz RAM

G.SKILL RipjawsV Series DDR4 RAM (XMP) 16GB (2x8GB) 3200MT/s CL16-18-18-38 1.35V Intel AMD Desktop Computer Memory U-DIMM - Black (F4-3200C16D-16GVKB)

Kingston – Brandd 32 GB DDR4-3200 MHz Sodimm

Mushkin Redline - DDR4 SODIMM - 64GB (2x32GB) 3200MHz CL-22-260-pin1.2V Desktop Ram - Non-ECC - Dual Channel - (MRA4S320NNNF32GX2)

Patriot Memory Signature Line Series DDR4 16GB (2 x 8GB) 3200MHz UDIMM Kit

PNY Performance 32GB (2x16GB) DDR4 DRAM 3200MHz (PC4-25600) CL22 (Compatible with 2933MHz, 2666MHz, 2400MHz or 2133MHz) 1.2V Notebook/Laptop (SODIMM) Computer Memory Kit – MN32GK2D43200-TB
US brands we went looking for
More names an AI suggested for this category that we haven't confirmed US on yet. Each badge says how far we've checked it.

CORSAIR Vengeance LPX DDR4 RAM 32GB (2x16GB) Up to 3200MHz CL16-20-20-38 1.35V Intel XMP AMD EXPO Computer Memory – Black (CMK32GX4M2E3200C16)

Crucial 32GB DDR5 RAM Kit (2x16GB), 5600MHz (or 5200MHz or 4800MHz) Laptop Memory 262-Pin SODIMM, Compatible with Intel Core and AMD Ryzen 7000, Black - CT2K16G56C46S5
Suggested, not verified. These names came from an AI suggestion, not from our data. We only call a brand US after checking the seller's registered address on its Amazon seller page. Amazon is the seller on these, so its seller page can't tell us who the brand is.