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Seasonic Core GC-750 ATX 3.1 750W 80 PLUS Gold Power Supply
Power Made Simple. The Seasonic Core GC-750 delivers legendary Seasonic reliability and modern ATX 3.1 compliance at an essential value. Engineered for everyday builders and gamers, this 750W powerhouse features 80 PLUS® Gold efficiency, a native 12V-2×6 PCIe Gen 5.1 cable for next-gen GPUs, and a compact 140mm chassis with a durable scratch-resistant finish.
Whether you are building a modern gaming rig with an NVIDIA RTX 40 or 50 Series card, or upgrading an existing system, this 80 PLUS Gold power supply ensures cool, quiet, and stable operation backed by Seasonic’s decades of engineering excellence.
Why Choose the Seasonic Core GC-750?
Includes a dedicated 12V-2×6 cable supporting up to 600W, ensuring safe and stable power for the latest RTX 40 and 50 Series GPUs without messy adapters.
Delivers exceptional energy efficiency, reducing heat output and electricity costs while providing clean, stable power to your components.
The Smart and Silent Fan Control (S2FC) system dynamically adjusts the 120mm HDB fan curve, ensuring whisper-quiet operation during low loads.
Features individual black cables with a high-quality braided pattern for a clean, professional look and enhanced durability.
Optimized for Your Build
- 🎮 Next-Gen Gaming Rigs: Native 12V-2×6 connector makes it the perfect foundation for modern NVIDIA RTX 40/50 series builds.
- 📦 Compact Mid-Tower Systems: The ultra-compact 140mm depth saves crucial space in smaller cases for easier cable management.
- 🔄 Legacy GPU Upgrades: Includes traditional 2x 8-pin PCIe cables, allowing you to upgrade your PSU without changing your older graphics card.
- 💼 Everyday Productivity: Seasonic’s renowned stability ensures your workstation runs reliably 24/7 without interruptions.
Seasonic Core GC-750 vs. Standard Budget PSUs
| Feature | Seasonic Core GC-750 | Standard Budget 750W PSU |
|---|---|---|
| ATX Standard | ATX 3.1 / PCIe 5.1 Ready | Legacy ATX 2.4 / 2.52 |
| GPU Power Cable | Native 12V-2×6 (600W) | Requires Messy Adapters |
| Efficiency Rating | 80 PLUS® Gold | 80 PLUS Bronze / White |
| Fan Bearing | Hydro Dynamic Bearing (HDB) | Sleeve Bearing |
| Chassis Depth | 140mm (Ultra-Compact) | 150mm – 160mm |
| Warranty | 5 Years | 2 – 3 Years |
Technical Specifications
| Model Name | Core GC-750 ATX 3.1 |
| Part Number (MPN) | Core V2 GC-750 |
| SKU | Core V2 GC-750 |
| EAN / UPC | 882016003226 |
| Total Power | 750W |
| Efficiency Rating | 80 PLUS® Gold |
| ATX Standard | ATX 3.1 / PCIe 5.1 |
| Modularity | Fixed (Non-Modular) Braided Cables |
| Fan Size & Bearing | 120mm Hydro Dynamic Bearing (HDB) |
| Fan Control | S2FC (Smart and Silent Fan Control) |
| GPU Cables | 1x 12V-2×6 (600W), 2x PCIe 8/6-pin |
| CPU Cables | 2x 8/4-pin EPS |
| SATA / Molex | 3x Combined Connectors |
| Protections | OCP, OPP, OTP, OVP, SCP, UVP |
| Dimensions (Depth) | 140mm (Compact Form Factor) |
| Warranty | 5 Years Local Warranty |
💡 Pro Tip
The Core GC-750 features an ultra-compact 140mm depth, making it significantly shorter than standard 150mm+ ATX power supplies. This extra space is incredibly valuable in mid-tower and ITX cases, giving you much more room to route the fixed braided cables neatly behind the motherboard tray for a clean, unrestricted airflow build.
Frequently Asked Questions
Does the Core GC-750 include the native 12V-2×6 cable?
Yes! The 750W and 850W models of the Core GC ATX 3.1 series include a native 12V-2×6 PCIe Gen 5.1 cable capable of delivering up to 600W of power directly to modern NVIDIA RTX 40 and 50 Series graphics cards.
Is this power supply fully modular?
No, the Core GC series uses fixed cables. However, Seasonic equips it with premium individual black cables featuring a high-quality braided pattern, which not only looks great but also offers enhanced durability and easier management compared to standard flat ribbon cables.
What is S2FC fan control?
S2FC stands for Smart and Silent Fan Control. It intelligently regulates the 120mm Hydro Dynamic Bearing fan speed based on the PSU’s internal temperature, ensuring the fan spins slowly and quietly during light tasks, and ramps up only when heavy gaming or rendering loads demand maximum cooling.
Need help calculating your system’s power requirements?
Speak with our hardware specialists for PSU compatibility checks, cable management advice, and build guidance.























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