GAMDIAS HELIOS P2-1300G 1300W 80+ Gold ATX 3.0 Fully Modular Power Supply (12VHPWR, PCIe Gen 5.0, 135mm Dual-Ball Fan)

The GAMDIAS HELIOS P2-1300G is a flagship 1300 W 80 PLUS Gold, Cybenetics Gold certified fully modular power supply built to handle the latest high-end gaming and creator PCs on the ATX 3.0 and PCIe Gen 5.0 standards. It features a native 16‑pin 12VHPWR connector capable of delivering up to 600 W directly to next‑gen GPUs, full DC‑DC LLC resonant design with 100% industrial‑grade Japanese capacitors and a 135 mm dual‑ball bearing silent fan. Supporting up to 200% total power excursion, triple GPU power excursion and equipped with heavy‑duty protections, the HELIOS P2‑1300G provides peak stability, transient handling and long‑term reliability for extreme builds. [web:2454][web:2455][web:2456][web:2458][web:2464][web:2465]

• ATX 3.0 & PCIe Gen 5.0 ready: Fully compliant with ATX 3.0 and PCIe Gen 5.0, including a native 12VHPWR 16‑pin connector (up to 600 W) for modern NVIDIA and AMD GPUs without adapters. [web:2454][web:2455][web:2456][web:2458][web:2465]
• 80 PLUS Gold & Cybenetics Gold efficiency: Designed to meet 80 PLUS Gold and Cybenetics Gold levels, delivering up to 92% efficiency at 50% load to reduce wasted power, heat and noise. [web:2455][web:2458][web:2465]
• Full DC‑DC, LLC resonant platform with Japanese caps: Uses an ATX12V v3.0 DC‑DC, LLC resonant circuit, APFC (PF 0.99) and 100% industrial‑grade Japanese capacitors for cleaner output, better transient response and improved durability. [web:2455][web:2458][web:2465]
• 135 mm dual‑ball bearing silent fan with hybrid mode: High‑quality 135 mm dual‑ball bearing fan offers excellent thermals, acoustics and lifespan, with smart fan control and silent mode to minimize noise at lower loads. [web:2455][web:2458][web:2465]
• Extreme excursion & protection support: Supports up to 200% total power excursion, triple GPU power excursion and includes OVP, UVP, OPP, SCP, OCP and OTP protections for safe operation in demanding scenarios. [web:2455][web:2458][web:2465]

--- ## Key specs table | Spec | Detail | | --- | --- | | **Brand** | GAMDIAS [web:2454][web:2465] | | **Model** | HELIOS P2-1300G [web:2454][web:2455][web:2458][web:2465] | | **Form factor** | ATX12V v3.0, ATX 3.0 compliant [web:2455][web:2458][web:2465] | | **Total power** | 1300 W (peak 1690 W) [web:2458][web:2465] | | **Certification** | 80 PLUS Gold, Cybenetics Gold, up to 92% efficiency at 50% load [web:2455][web:2458][web:2465] | | **AC input** | 100–240 V~, 15–8 A, 50–60 Hz [web:2458][web:2465] | | **DC rails** | +3.3 V, +5 V, +12 V, -12 V, +5 Vsb [web:2458][web:2465] | | **Max current** | +3.3 V: 24 A; +5 V: 24 A; +12 V: 108.3 A; -12 V: 0.5 A; +5 Vsb: 3 A [web:2458] | | **Max power per rail** | +3.3 V/+5 V: 120 W; +12 V: 1300 W; -12 V: 6 W; +5 Vsb: 15 W [web:2458] | | **PFC** | Active PFC, PF up to 0.99 [web:2458][web:2465] | | **Design** | Full DC‑DC, LLC resonant, single +12 V rail [web:2455][web:2458][web:2465] | | **Modularity** | Fully modular [web:2454][web:2458][web:2465] | | **Fan** | 135 mm dual‑ball bearing silent fan, smart / silent mode [web:2455][web:2458][web:2465] | | **Main power** | 1 × 24‑pin ATX [web:2458][web:2465] | | **CPU power** | 1 × 8‑pin (4+4) EPS, 1 × 8‑pin EPS (total 2 CPU connectors) [web:2458][web:2465] | | **PCIe 8‑pin** | 8 × 6+2‑pin PCIe [web:2458][web:2465] | | **12VHPWR** | 1 × 12+4‑pin 12VHPWR (up to 600 W) [web:2455][web:2458][web:2465] | | **SATA** | 12 × SATA [web:2458][web:2465] | | **Molex** | 4 × 4‑pin Molex [web:2458][web:2465] | | **Floppy** | 1 × 4‑pin [web:2465] | | **Dimensions** | 150 × 150 × 86 mm (L × W × H) [web:2465] | | **Protections** | OVP, UVP, OPP, SCP, OCP, OTP [web:2455][web:2458][web:2465] | | **Capacitors** | 100% industrial‑grade Japanese capacitors [web:2455][web:2458][web:2465] | | **Environmental** | ErP Lot 6 compliant, C6/C7 power state support [web:2458][web:2465] | | **Color** | Black [web:2454][web:2458][web:2465] | | **Warranty** | 10 years (per EliteHubs and other listings) [web:2458][web:2465] |

Ideal For: Extreme‑end builds with high‑core‑count CPUs and RTX 40‑series or next‑gen GPUs that need a 1300 W 80+ Gold, ATX 3.0 fully modular PSU with native 12VHPWR, huge connector count, excellent transient handling and a 10‑year warranty. [web:2455][web:2458][web:2465]