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  4. MBMSI00203OB
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)
MSI

Part #: B550-A PRO

Item Code: MBMSI00203OB

MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)(Open Box)

Open Box
15-day Low Price Guarantee
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
MSI B550-A PRO AM4 B550 DDR4(Open Box)
$161.49
$142.49
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$149.99

$11.87/mo. in 12 payments (not incl. shipping, taxes) on eligible credit cards. Terms apply. Learn More
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Overview

  • Support for 3rd Gen AMD Ryzen™ processors and future AMD Ryzen™ processors with BIOS update

  • Supports DDR4 Memory, up to 4400(OC) MHz

  • Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2

  • Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works

  • Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost

  • Audio Boost: Reward your ears with studio grade sound quality

  • Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire™

  • Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.  






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