ASUS PRIME B450M-K II, AMD B450 Ryzen Socket AM4 micro ATX Desktop Motherboard

ASUS Prime B450M-K II – AMD B450 AM4 Micro-ATX Motherboard A rock-solid AM4 foundation for everyday builds, the Prime B450M-K II pairs AMD’s B450 chipset with Ryzen™ 5000/4000G/3000 Series CPU support, fast NVMe M.2 (PCIe 3.0 ×4/SATA), USB 3.2 Gen 1, Realtek® 1 Gb Ethernet, HDMI/DVI-D/VGA display outputs, and a handy BIOS FlashBack™ button for painless updates. Key Features Wide CPU Support: AM4 socket ready for Ryzen™ 5000/4000 G/3000, plus select earlier Ryzen processors. NVMe M.2 SATA: One M.2 Socket 3 (2242/2260/2280) supporting PCIe 3.0 ×4 and SATA modes, plus 4× SATA 6 Gb/s (RAID 0/1/10). Front & Rear USB: 4× rear USB 3.2 Gen 1 Type-A 2× rear USB 2.0, with headers for 2× front USB 3.2 Gen 1 and 4× front USB 2.0. Display Outputs: HDMI, DVI-D, and D-Sub for processors with Radeon™ graphics. Reliable Networking: Realtek® RTL8111H 1 Gb Ethernet with ASUS LANGuard surge protection. 5X Protection III: DIGI VRM, SafeSlot Core, stainless-steel back I/O, and more hardware safeguards. EZ DIY Extras: BIOS FlashBack™ button, Q-DIMM/Q-Slot, and M.2 anchor simplify builds and updates. Fan Xpert Controls: Tuning via AI Suite 3/Fan Xpert to balance acoustics and cooling. Specification Detail CPU Socket AMD AM4 (Ryzen™ 5000/5000 G/4000 G/3000; see CPU support list) Chipset AMD B450 Memory 2× DDR4 DIMM, dual-channel, up to 64 GB; up to DDR4-4400(OC) depending on CPU Graphics Outputs HDMI / DVI-D / D-Sub (with Radeon™ graphics APUs) Expansion Slots 1× PCIe 3.0 x16 (x16/x8 mode by CPU) 1× PCIe 3.0 x16 (x4 mode by chipset), 2× PCIe 2.0 x1 (with Athlon/Ryzen APUs) Storage 1× M.2 (PCIe 3.0 ×4 & SATA), 4× SATA 6 Gb/s (RAID 0/1/10) LAN Realtek® RTL8111H 1 GbE with ASUS LANGuard Audio Realtek® ALC887/897 7.1-ch HD Audio; audio shielding & premium capacitors Rear I/O 4× USB 3.2 Gen 1 Type-A, 2× USB 2.0, HDMI, DVI-D, D-Sub, RJ-45, 3× audio jacks, PS/2 combo, BIOS FlashBack™ button Internal I/O Header for 2× USB 3.2 Gen 1 (front), 2× USB 2.0 (adds 4 ports), 4× SATA, M.2, AAFP, SPDIF-out header, COM, TPM, 24-pin ATX, 8-pin EPS, CPU_FAN, CHA_FAN Form Factor micro-ATX (22.6 × 22.1 cm) OS Windows® 10/11 64-bit (Windows 7 with select Ryzen CPUs) Why You’ll Love It Building a dependable Ryzen™ system on a budget? Prime B450M-K II gives you modern NVMe storage, ample USB, triple-output video for APUs, and proven ASUS protections—plus a BIOS FlashBack™ button that makes CPU-less firmware updates a breeze.