Core Specifications
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Model: ASUS PRIME A520M-K
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Form Factor: Micro-ATX (22.6 cm × 22.1 cm)
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Chipset: AMD A520
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CPU Socket: AM4 (Supports AMD Ryzen 5000, 4000G, 3000 Series)
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Memory:
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2 × DDR4 DIMM slots, up to 64GB
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Dual-channel, supports up to DDR4-4600 (OC)
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BIOS: 256 Mb Flash ROM, UEFI AMI BIOS
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OS Support: Windows 10 64-bit
Expansion Slots
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1 × PCIe 3.0 x16 (x16 mode)
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2 × PCIe 3.0 x1
Storage
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M.2:
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1 × M.2 Socket 3 (M Key, 2242/2260/2280)
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Supports PCIe 3.0 x4 & SATA modes
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SATA:
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4 × SATA 6Gb/s ports
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RAID 0, 1, 10 support
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Rear I/O Ports
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4 × USB 3.2 Gen 1 (Type-A, blue)
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2 × USB 2.0 (Type-A)
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1 × HDMI 2.1 (4K@60Hz)
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1 × D-Sub (VGA)
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1 × PS/2 (keyboard/mouse combo)
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1 × LAN (RJ45, Realtek RTL8111H 1Gb Ethernet)
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3 × Audio jacks (7.1-channel HD audio)
Internal Headers
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1 × 24-pin ATX power
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1 × 8-pin EATX 12V
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1 × CPU fan header
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1 × Chassis fan header
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1 × USB 3.2 Gen 1 header (supports 2 ports)
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2 × USB 2.0 headers (support 4 ports)
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4 × SATA 6Gb/s connectors
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1 × M.2 socket
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1 × Front panel audio (AAFP)
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1 × SPI TPM header
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1 × S/PDIF out
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1 × COM port header
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1 × Clear CMOS jumper
Audio & Networking
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Audio: Realtek ALC887, 7.1-channel HD audio
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Audio shielding, dedicated PCB layers
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LAN: Realtek RTL8111H 1Gb Ethernet with ASUS LANGuard
Special Features
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ASUS 5X Protection III: DIGI+ VRM, Overvoltage Protection, SafeSlot Core, Stainless-Steel Back I/O
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UEFI BIOS: EZ Mode, EZ Flash 3, CrashFree BIOS 3
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Software: Armoury Crate, AI Suite 3, Fan Xpert, ASUS EZ DIY
