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Corsair TX950W Power Supply Review
Author: Gabriel Torres 70,590 views
Type: Reviews Last Updated: October 23, 2009
Page: 1 of 10
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The latest power supply from Corsair, TX950W, is a single-rail power supply featuring a DC-DC converter on its secondary, which is the preferred design to achieve high-efficiency nowadays. Differently from models from HX series, TX950W does not have a modular cabling system. Let’s see whether this is a good power supply or not.

TX950W, like other members from TX series, is manufactured by CWT, but other TX models do not use DC-DC converters on the secondary and thus achieve lower efficiency. CWT is also the manufacturer behind models from 750 W and up from Corsair HX series (also using DC-DC converters on the secondary), but other members from HX series are manufactured by Seasonic.

Corsair TX950W power supply
click to enlarge
Figure 1: Corsair TX950W power supply.

Corsair TX950W power supply
click to enlarge
Figure 2: Corsair TX950W power supply.

Corsair TX950W isn’t a long power supply, being 6 19/64” (160 mm) deep, using a 140 mm fan on its bottom and featuring active PFC, of course. As mentioned TX950W doesn’t have a modular cabling, and all cables have a nylon protection that comes from inside the unit.

This power supply comes with the following cables:

  • Main motherboard cable with a 20/24-pin connector.
  • One cable with one EPS12V connector that can be transformed in two ATX12V connectors.
  • Six cables with one six/eight-pin auxiliary power connector for video cards each.
  • Three cables with four SATA power connectors each.
  • Two cables with four standard peripheral power connectors each.
  • Two adapters for converting one standard peripheral power connector into one floppy disk drive power connector.

The cable configuration from TX950W is perfect for a 950 W product: all cables are very long (23 5/8” or 60 cm between the power supply housing and the first connector on the cable; 5 7/8” or 15 cm between connectors), allowing you to easily install it inside a full-tower case; six video card connectors using individual cables, allowing you to have up to three high-end video cards inside your PC; and a terrific number of SATA and peripheral power connectors.

Since it is a 950 W product, it would be even better if it came with eight video card power connectors in order to allow you to install up to four high-end video cards. On the other hand, since this unit does not feature a modular cabling system and most users won’t have four video cards, these extra cables would be hanging inside the case, blocking airflow.

All cables use 18 AWG wires, except the wires on the main motherboard cable, where the wires are thicker (16 AWG), which is great.

Corsair TX950W power supply
click to enlarge
Figure 3: Cables.

Now let’s take an in-depth look inside this power supply.
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