AMD Ryzen 7 5800X3D & ASUS PRIME B550M-A AC Combo

$398.99~~$448.99~~-11%Newegg

Newegg has AMD Ryzen 7 5800X3D CPU + ASUS PRIME B550M-A AC Motherboard Combo on sale for $398.99, down from $448.99, and includes a free Cooler Master Elite Liquid 240 AIO cooler (a $79.99 value). Limit 1 per customer, through 08/31/2026.

Posted August 5, 2026. Price and availability are whatever the retailer says right now.

AMD Ryzen 7 5800X3D: 8-core/16-thread Zen 3 CPU, AM4 socket, 96MB L3 cache, 105W
ASUS PRIME B550M-A AC: mATX board with PCIe 4.0, dual M.2 slots, built-in WiFi, USB 3.2 Gen 2
Free gift: Cooler Master Elite Liquid 240 AIO cooler, 240mm radiator with 2x ARGB PWM fans
Combo must be returned in its entirety — individual items aren't refundable separately
Limit one combo per customer; deal runs through 08/31/2026

This pairs a genuinely strong AM4 gaming CPU with a capable mATX board and sweetens it with a free 240mm AIO cooler, saving $50 over buying the two parts separately. It suits anyone building or upgrading an AM4 rig rather than chasing the newest platform. Just know Newegg won't guarantee CPU/board compatibility and the combo has to be returned whole, not piecemeal.

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AMD Ryzen 7 5800X3D & ASUS PRIME B550M-A AC Combo

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