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ASROCK B550 PHANTOM GAMING 4
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Max Output Capacity: 1200W. This enters the enthusiast/workstation tier. It provides immense overhead for heavily overclocked systems, dual-GPU setups, or high-end rendering workstations.
PCIe 12+4pin (12VHPWR / 12V-2x6). This is the headline feature. Having two native PCIe 5.0 12+4pin cables means this unit can comfortably power two modern high-end GPUs (like two RTX 4090s or next-gen workstation cards) simultaneously without relying on messy, unsafe adapters.
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Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
8 Power Phase Design, Digi Power
Supports DDR4 4733+ (OC)
1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1, 1 M.2 Key E for WiFi
Graphics Output Options: HDMI
AMD CrossFireX™
7.1 CH HD Audio (Realtek ALC1220/ALC1200 Audio Codec), Nahimic Audio
6 SATA3, 1 Hyper M.2 (PCIe Gen4x4), 1 M.2 (PCIe Gen3x2 & SATA3)
8 USB 3.2 Gen1 (2 Front, 6 Rear)
Gigabit LAN