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Rectangular black metal power supply unit with side fan grille and modular cable sockets

Seasonic

Seasonic VERTEX PX-1200 1200W 80+ Platinum ATX 3.0 PCIe 5.0 power supply

SKU CH-AXF1-EW143 MPN VERTEX PX-1200

Delivers 1200 W with 80 PLUS Platinum efficiency, ATX 3.0 and PCIe 5.0 readiness, fully modular cabling including a 12VHPWR cable, 135 mm FDB fan with hybrid silent control.

  • TypeATX
  • Maximum Power1200 W
  • Fans1 x 135 mm
  • PFCActive
  • Max PSU Length160 mm
  • ModularFull Modular

Options ATX 3.0 Platinum (1200W)

  • Delivers 1200 W for demanding builds
  • 80 PLUS Platinum efficiency reduces waste heat
  • ATX 3.0 and PCIe 5.0 ready with 12VHPWR cable
  • 135 mm FDB fan with hybrid silent control
  • Japanese 105 °C capacitors rated for 100000 hours MTBF

1200W ATX 3.0 Platinum Power Supply

The Seasonic VERTEX PX-1200 is a fully modular ATX power supply rated at 1200 W with 80 PLUS Platinum efficiency. It meets ATX 3.0 and PCIe 5.0 specifications and includes a native 12VHPWR cable. A 135 mm fluid dynamic bearing fan runs under Hybrid Silent Fan Control for low-noise operation. Japanese 105 °C capacitors and a DC-to-DC topology provide tight voltage regulation.

Ideal for High-End GPU Builds

This unit suits builders assembling systems with high-power graphics cards that require the 12VHPWR connection and demand Platinum-grade efficiency. The 160 mm depth fits most standard ATX cases, while full modularity keeps cable routing clean. Buyers who need more than 1200 W of continuous power should look at higher-capacity models. Systems that only require lower wattage or lack a 12VHPWR-equipped GPU will not use the headline features.

12VHPWR Connector Decides Fit

The included 16-pin 12VHPWR cable is the specification that determines whether this PSU matches the build. If the target graphics card draws power through that connector, the VERTEX PX-1200 delivers a direct, adapter-free link compliant with current standards. If the GPU uses traditional 8-pin PCIe connectors instead, the 12VHPWR cable remains unused and the buyer gains no advantage from the ATX 3.0 readiness.

特長

  • Delivers 1200 W for demanding builds
  • 80 PLUS Platinum efficiency reduces waste heat
  • ATX 3.0 and PCIe 5.0 ready with 12VHPWR cable
  • 135 mm FDB fan with hybrid silent control
  • Japanese 105 °C capacitors rated for 100000 hours MTBF

仕様

BrandSeaSonic
ModelVERTEX PX-1200
TypeATX
Maximum Power1200 W
Fans1 x 135 mm
PFCActive
Max PSU Length160 mm
ModularFull Modular
Energy-Efficient80 PLUS PLATINUM Certified
Over Voltage ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current15-7.5A
MTBF100,000 hours
ApprovalscTUVus, TUV, CB, CCC, BSMI, EAC, CE
Dimensions6.3 L x 5.9 W x 3.4 H
Weight4.34 lbs
配送重量2.73 kg
梱包サイズ345 × 185 × 114 mm

このモデルの他のバージョン

同シリーズにさらに 4点

同じファミリーで、メモリ・クーラー・クロックが異なります — 購入前に比較してください。

この商品に関する質問

What does the 1200 W rating mean once the unit is installed in a PC?

The 1200 W rating is the maximum continuous power the supply can deliver to all components combined, with 80 PLUS Platinum efficiency ensuring minimal waste heat under typical loads.

How does the ATX 3.0 and PCIe 5.0 interface affect real-world GPU power delivery?

The unit includes a native 16-pin 12VHPWR cable built to the ATX 3.0 and PCIe 5.0 standard, allowing direct connection to compatible graphics cards without adapters.

What physical space and mounting does the 160 mm deep ATX unit require?

The supply measures 160 mm in depth and follows the standard ATX form factor, fitting cases that accept ATX power supplies with at least that much clearance and using four rear mounting screws.

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