B450 Motherboard Memory: DDR4 RAM for AMD AM4 Boards

53 products

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Memory upgrades for motherboards built on the AMD 400 Series B450 chipset. Each listing covers one board model, using the memory type, speed and module size that board supports, in single modules and matched kits. To find yours, type the model name into the search bar at the top of the page, for example ROG STRIX B450-F GAMING, B450 TOMAHAWK MAX, B450 AORUS ELITE or B450 Steel Legend. The model name is printed on the board and on the box.

About the B450 platform

Processors: AMD Ryzen 1000 through 5000 Series (newer processors need a BIOS update), socket AM4.
Memory type: DDR4 288-pin UDIMM. B450 boards do not accept DDR5.
ECC: some B450 boards also accept ECC UDIMM. Where a board supports it, its listing offers ECC modules (6 listings on this page).

Module sizes: 8GB to 32GB per module, depending on the board.

B450 listings by brand

ASUS (21 listings): see ASUS motherboard memory.
ASRock (9 listings): see ASRock motherboard memory.
GIGABYTE (19 listings): see GIGABYTE motherboard memory.
MSI (4 listings): see MSI motherboard memory.

Choosing memory for a B450 board

Install modules in matched pairs in the slots your board manual marks for two-module use, and use identical modules when filling all slots. NEMIX RAM modules are JEDEC-standard, so they run at the board's default memory settings with no XMP or EXPO profile to set; faster modules run at the speed the platform supports. Browse by module type: DDR4 ECC UDIMM and DDR4 UDIMM.

Not sure which module fits? Send us your motherboard model name and we will confirm the right module before you order.

Buying in volume direct from NEMIX RAM

NEMIX RAM is a US-based memory specialist, in business since 1993. Every module is researched, matched, and compatibility-tested by NEMIX RAM, is JEDEC-compliant, and is backed by a lifetime warranty. Purchase orders, net terms and volume pricing are available for system builders, IT departments, schools and resellers. Request a quote for a fleet of identical PCs.

Memory by chipset: All chipsets · X870 & X870E · B850 · B650 & B650E · X670 & X670E · A620 · X570 & X570S · B550 · Z890 · B860 · Z790 · B760 · Z690 · B660 · H610 · Z590 · B560 · Z490 · H510 · H310 · AMD Threadripper · W790, C621, C622 & C422 · W880, W680, W480 & C-series · X299 & X99.