ASUS Prime B450M-K II (Socket AM4/B450/DDR4/S-ATA 600/Micro ATX)
$134.99
🛒 Check Price on Amazon
ASUS Prime B450M-K II vs MSI Z590-A PRO ProSeries Motherboard — Head-to-Head (2026)
Side-by-side comparison. Specs, prices, user ratings, and our verdict.
vs
MSI Z590-A PRO ProSeries Motherboard (ATX, 11th/10th Gen Intel Core, LGA 1200 Socket, DDR4, PCIe 4, M.2 Slots, USB 3.2 Gen 2, 2.5G LAN, DP/HDMI)
$258.30
🛒 Check Price on Amazon
*Price sourced from Amazon.com. Price and availability subject to change.
Spec-by-spec
| Spec | ASUS Prime B450M-K II (Socket… | MSI Z590-A PRO ProSeries Motherboard… |
|---|---|---|
| Brand | ASUS | msi |
| USB 2.0 | 2 | — |
| Platform | Windows 10, Windows 7 | Windows 10 |
| CPU Model | Intel Xeon | Pentium |
| CPU Socket | Socket AM4 | LGA 1200 |
| Model Name | Prime B450M-A | Z590-A PRO |
| Chipset Type | AMD B450 | Intel Z590 |
| Connectivity | USB | USB |
| Model Number | 90MB0YR0-M0EAY0 | Z590APRO |
| Item Type Name | ASUS PRIME B450M-A (Socket AM4/B450/DDR4/S-ATA 600/Micro ATX) | — |
| Mfr Part Number | PRIME B450M-A | Z590APRO |
| Number of Ports | 12 | 1 |
| Total Usb Ports | 8 | 4 |
| Processor Socket | Socket AM4 | LGA 1200 |
More motherboards head-to-heads
Keep researching
Already narrowing? Open each product page for the full spec sheet, FAQ, and live Amazon price: ASUS Prime B450M-K II (Socket… · MSI Z590-A PRO ProSeries Motherboard…. Browse the full Motherboards catalog or read our Motherboards buying guide for tier picks. You can also compare up to four products side-by-side, jump to all categories, or check the benchmarks index for hardware-only matchups.
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Best Sim Racing Wheel + Shifter Combo Under $400 in 2026: 5 Setups for iRacing, ACC, and GT3
- CRT vs LCD for Retro Gaming: Which Wins in 2026?
- Best Controller for Sim Racing Beginners on PC in 2026
- Glide vs OpenGL vs Direct3D: The API War That DirectX 9 Ended
- Best Budget SSD for a Gaming PC in 2026: SATA vs NVMe
- Gemini 3.6 Flash Shipped: Why Local Builders Still Reach for a 12GB GPU
- Hobbyist Turns a Raspberry Pi and ADS-B Into a Viral Real-Time Airport Tracker
- Samsung and SK Hynix Plan $590B Chip Push as Memory Prices Climb
- Raycast FPS in COBOL: Can a 60-Year-Old Language Render 3D?
- GeForce 6800 Ultra AGP Install Guide: Drivers, Benchmarks, and the Last Great AGP Card
- Frontier Models Cheat on Security Tests: Why You Should Eval Locally
- CompactFlash vs SATA-to-IDE: The Best Silent Boot Drive for a Win98 PC
- Qwen-Image vs ERNIE vs FLUX.2 Dev: RTX 5090 Style Test
- Air vs AIO for the Ryzen 7 5800X: Noctua NH-U12S vs CoolerMaster ML240L
- Best Fighting Game Controller and Arcade Stick for PC in 2026
- OpenAI Says GPT-5.5-Cyber Beats Anthropic's Mythos on Security
- Network-Wide Ad Blocking with Pi-hole on a Raspberry Pi 4 8GB (2026 Setup)
- Best SSD to Upgrade a PS4 Pro: Crucial BX500 vs Samsung 870 EVO Real-World Gains
- Self-Host Jellyfin on a Raspberry Pi 4 8GB in 2026
- Qwen3 4B on Raspberry Pi 4 8GB vs Ryzen 5 5600G: Which Cheap Always-On Box Wins?
- No Wonder My CPU Was Hitting 100°C: 7 Build Mistakes
- Sound Blaster AWE64 vs Aureal Vortex 2: The Win98 Audio API War, Revisited
- Asus ProArt PA27USD OLED Lands — and What 4K Gamers Can Buy for Less
- LM Studio vs Ollama on an RTX 3060: Which Local Runner Wins?
- Reve 2.0 Debuts at #2: Can You Run Competitive Image Models on an RTX 3060 12GB?
- Best Gaming Headsets for PS5 and PC in 2026
- Best Webcam and Mic Setup for Streaming Under $300 (2026)
- Raspberry Pi OS Moves to Linux 6.18 LTS — Real Performance Gains
- Best Low-Power CPU for a Jellyfin Home Server: 5600G vs i7-9700K
- 10 Raspberry Pi Projects for Kids to Build in 2026
- Asus ProArt PA27USD 27-Inch OLED Review: Color Meets Gaming Speed
- Best Upgrades for a DDR4 Gaming PC in 2026
- Gemini-SQL2 Tops Text-to-SQL: Can an RTX 3060 Run a Local SQL Model?
- Best SSD for a Raspberry Pi 5 Boot Drive in 2026
- Two GTX 1050 Ti 4GB vs One RTX 3060 12GB for 8B Local LLMs
- HyperX QuadCast 2 vs Blue Yeti for Streaming & Podcasting (2026)
- Best 4K Gaming Monitor Under $700 in 2026
- AMD Ryzen 7 9800X3D Bundle: DDR5 + MSI B850 Wi-Fi 7 Guide
- Ryzen 5 5600G vs Ryzen 7 5700X for Budget 1080p Gaming
- Best SATA, IDE & CompactFlash Adapters for Retro PC Data Recovery in 2026
- Benchmarking Open Models on Custom Tooling: Is It Agentic Enough?
- Ryzen 5 5600G vs Ryzen 7 5700X for a No-GPU Home Server
- Best Microphones for Streaming and Podcasting (2026)
- Best Budget SSD for a Steam Library in 2026: SATA vs NVMe on a Tight Budget
- Best Budget GPU for Local Stable Diffusion and ComfyUI in 2026
- Best PC Gaming Peripherals in 2026: 5 Picks for Keyboard, Audio, and Control
- Retro Console Mods in Canada: 2026 Legal & Hardware Guide
- Best Streaming Gear for Game Streamers in 2026: 5 Picks
- Glide vs OpenGL vs Direct3D: The PC Gaming API War 1996-2003, Benchmarked
- Boot Windows 98 from CompactFlash: Transcend CF133 + IDE Adapter Guide
- Best Budget PC Gaming Upgrades Under $150 in 2026
- Build a Budget Local-LLM Workstation Under $1,500: Ryzen 7 5800X + RTX 3060 12GB Benchmarks
- Running Windows XP Off a 2.5-inch SATA SSD via an IDE Adapter (2026 Guide)
- Microsoft Now Points to 32GB RAM for Windows 11 Gaming
- Building a CompactFlash-Boot Win98 SE Retro PC: 2026 Workflow
- Build a Privacy-First Ring Alternative on a Raspberry Pi 4 in 2026
- Imaging Vintage IDE & SATA Drives in 2026: USB Adapters
- MLX engine comparison… and oMLX is the top choice.
- OpenAI Codex Now Records and Replays Your Workflow: the Local-Rig Angle
- Irtysh 32-Core CPU: Is the 30+ FPS Witcher 3 Claim Real?