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Black rectangular ATX power supply with modular cable ports and 135 mm fan grille

Seasonic

Seasonic PRIME TX-1600 1600W 80+ Titanium ATX power supply

SKU CH-CSHF-5EX1R MPN PRIME TX-1600

A 1600 W ATX power supply with 80 PLUS Titanium efficiency, fully modular cabling and a 135 mm fluid dynamic bearing fan rated Cybenetics A for low noise

  • Max wattage1600 W
  • Modular cablingFull Modular
  • Fan configuration1 × 135 mm Fluid Dynamic Bearing
  • Main power connector20+4Pin
  • 12V railsSingle
  • PCIe power connectors8 × 6+2-Pin

Model ATX Titanium (1600W)

  • 80 PLUS Titanium efficiency cuts running costs
  • Fully modular cabling keeps builds tidy
  • 135 mm fluid dynamic bearing fan runs quietly
  • Cybenetics A rating confirms low noise
  • 12 year warranty protects the investment

1600 W Titanium ATX power supply

The Seasonic PRIME TX-1600 delivers 1600 W of continuous power with 80 PLUS Titanium efficiency. A single +12 V rail and full modular cabling simplify high-end system builds. The 135 mm fluid dynamic bearing fan runs under Cybenetics A noise certification.

Suited for multi GPU workstations not for low

Eight 6+2 pin PCIe and two 12VHPWR connectors support multi GPU workstations and RTX 30 or 40 Super cards. Eighteen SATA ports handle large storage arrays. Low power systems will not benefit from the Titanium overhead.

Single +12 V rail with 1600 W capacity

The single +12 V rail provides the full 1600 W to graphics cards and CPUs without rail balancing. Micro tolerance load regulation holds voltage within 0.5 percent. This rail design is the decisive spec for extreme builds.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $358.99
Pricier than about 82% of the 10,869 comparable items (median $142.99).
Max wattage 1600 W
Higher than about 92% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameSeaSonic
Model namePRIME TX-1600
Product typeATX12 V
Ports & slots
PCIe power connectors8 × 6+2-Pin
SATA power connectors18
Output type+3.3 V@25A, +5 V@25A, +5VSB@3A
Connection types1 × 24 pin (20+4) ATX
3 × 8 pin (4+4) EPS (CPU)
8 × 8 pin (6+2) PCIe
2 × 16 pin PCIe
18 x SATA
3 × 4 pin Peripheral
Power
Max wattage1600 W
Modular cablingFull Modular
Main power connector20+4Pin
12V railsSingle
Efficiency certification80 PLUS TITANIUM Certified
Built-in protectionOPP, OVP, UVP, OCP, OTP, SCP
Supply voltage100–240 V
AC input frequency50/60 Hz
Rated input current15-10 A
Size & build
Product dimensions3.39 in × 5.91 in × 8.27 in
Shipping weight6.21 kg
Package size470 × 201 × 127 mm
Compatibility
PSU length limit210 mm
Environment & compliance
PSU noise ratingCybenetics A
Regulatory approvalscTUVus, TUV, CB, CCC, BSMI, EAC, CE
Energy Star, RoHS, WEEE, ErP Lot 6, REACH
More details
Fan configuration1 × 135 mm Fluid Dynamic Bearing
Mean time between failures>150,000 h

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