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Rectangular fanless ATX power supply with matte black finish and modular cable sockets

Seasonic

Seasonic PRIME FANLESS TX-700 700W power supply

SKU CH-BFQW-RXDEY MPN PRIME FANLESS TX-700

A fanless 700 W ATX supply with 80 PLUS Titanium efficiency, fully modular cabling and a single +12 V rail rated at 58 A

  • TypeATX12V
  • Maximum Power700 W
  • FansFanless
  • Main Connector20+4Pin
  • +12V RailsSingle
  • PCI-Express Connector4 x 6+2-Pin

Options ATX Titanium (700W) Fanless

  • Silent operation with fanless design eliminates noise
  • 80 PLUS Titanium certified efficiency reduces energy waste
  • Full modular cabling uses only needed cables
  • Micro tolerance load regulation under .5 percent ensures stable power
  • 700 watt output with single +12V rail at 58 amps

Silent 700 W Titanium unit

The Seasonic PRIME FANLESS TX-700 is a 700 W ATX12V power supply that uses a completely fanless design to deliver silent operation. It carries 80 PLUS Titanium certification and a Cybenetics A++ noise rating, so energy waste stays minimal while the system runs without any moving parts inside the PSU.

Ideal for quiet builds; not for extreme multi-GPU

This unit suits builders who want a noise-free PC for workstations, media centres or high-end single-GPU gaming rigs. The single +12 V rail rated at 58 A handles modern graphics cards, but systems that need more than four PCIe power connectors or substantially higher wattage should consider a larger model.

Full-modular cables simplify assembly

Full-modular cabling lets you connect only the 24-pin, two CPU, four PCIe and ten SATA leads required, reducing clutter and improving airflow. The compact 170 mm depth fits most standard ATX cases, while the wide 100–240 V input range allows worldwide use without a voltage switch.

商品特色

  • Silent operation with fanless design eliminates noise
  • 80 PLUS Titanium certified efficiency reduces energy waste
  • Full modular cabling uses only needed cables
  • Micro tolerance load regulation under .5 percent ensures stable power
  • 700 watt output with single +12V rail at 58 amps

商品規格

BrandSeaSonic
SeriesPRIME Fanless TX
ModelPRIME FANLESS TX-700
TypeATX12V
Maximum Power700 W
FansFanless
Main Connector20+4Pin
+12V RailsSingle
PCI-Express Connector4 x 6+2-Pin
SATA Power Connector10
Max PSU Length170 mm
ModularFull Modular
Energy-Efficient80 PLUS TITANIUM Certified
PSU Noise LevelCybenetics A++
Over Voltage ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current9.5 - 4.5 A
Output+3.3V@20A, +5V@20A, +12V@58A, [email protected] , +5VSB@3A
MTBF150,000 Hours
ApprovalscTUVus, TUV, CB, CCC, BSMI, EAC, CE
Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Connectors1 x MB (24/20 pins)
2 x CPU (8/4 pins)
4 x PCIe (8/6 pins)
10 x SATA
5 x Molex
1 x Molex to SATA 3.3 Adapter
FeaturesUltra High Efficiency, 80 PLUS Titanium Certified
Fully Modular Cabling Design
Seasonic Fanless Design
Micro Tolerance Load Regulation (MTLR) [0.5 %]
DC to DC Converter Design
Dimensions3.39" x 5.91" x 6.69"
Weight4.17 lbs.
出貨重量3.36 kg
包裝尺寸349 × 191 × 114 mm

其他版本

同系列還有 5 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

What motherboard power connector does the PRIME FANLESS TX-700 require?

The unit ships with a 20+4 pin main connector that fits any standard ATX motherboard socket.

Will the single +12V rail rated at 58 A support an older graphics card that uses two 6-pin PCIe plugs?

Yes, the PSU includes four 6+2 pin PCIe cables and the single 12 V rail delivers up to 58 A, so two 6-pin connectors are well within its capacity.

How can I confirm the fanless 700 W unit is running within its Cybenetics A++ noise rating after installation?

With no moving parts the PSU produces zero audible noise; if the system powers on and remains silent under load, the fanless design is functioning as specified.

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