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Home » Power
Rosewill Tachyon 750 W Power Supply Review
Author: Gabriel Torres 20,079 views
Type: Reviews Last Updated: December 13, 2012
Page: 1 of 13
Introduction
Hardware Secrets Silver Award

Rosewill offers four power supply models within their Tachyon series: 550 W, 650 W, 750 W, and 1,000 W. Today we are going to take a look at the 750 W version. Let’s check it out.



The Tachyon 750 W is a rebranded Super Flower SF-750P14PE, and therefore internally identical to the Kingwin Lazer Platinum 750 W and the AZZA Platinum 750 W. (The original model from Super Flower and the Kingwin model use connectors on the modular cabling system with LEDs that turn on when the power supply is in operation.)

Rosewill Tachyon 750w
click to enlarge
Figure 1: Rosewill Tachyon 750 W power supply

Rosewill Tachyon 750w
click to enlarge
Figure 2: Rosewill Tachyon 750 W power supply

The Rosewill Tachyon 750 W is 6.7” (170 mm) deep, using a 140 mm sleeve-bearing fan on its bottom (Globefan RL4ZS1402512HH). Differently from the AZZA Platinum 750 W, this unit doesn’t have a switch on its rear for you to select the mode in which you want the fan to work.

Rosewill Tachyon 750w
click to enlarge
Figure 3: Fan

The modular cabling system from this power supply has six connectors. Differently from most power supplies with a modular cabling system, you can install any kind of cable in any connector, i.e., there is no specific connector for the video card power cables or for the peripheral and SATA power cables. The unit comes with the main motherboard cable, an ATX12V/EPS12V cable, one EPS12V cable, and one video card power cable permanently attached to it. They use nylon sleeves that come from inside the unit. This power supply comes with the following cables:

  • Main motherboard cable with a 20/24-pin connector, 21.6” (55 cm) long, permanently attached to the power supply
  • One cable with two ATX12V connectors that together form an EPS12V connector, 25.6” (65 cm) long, permanently attached to the power supply
  • One cable with one EPS12V connector, 23.6” (60 cm) long, permanently attached to the power supply
  • One cable with two six/eight-pin connectors for video cards, 22.4” (57 cm) to the first connector, 4.7” (12 cm) between connectors, permanently attached to the power supply
  • Two cables, each with one six/eight-pin connector for video cards, 19.7” (50 cm) long, modular cabling system
  • Two cables, each with four SATA power connectors, 19.7” (50 cm) to the first connector, 5.1” (13 cm) between connectors, modular cabling system
  • One cable with three standard peripheral power connectors, 19.7” (50 cm) to the first connector, 5.1” (13 cm) between connectors, modular cabling system
  • One cable with two standard peripheral power connectors and one floppy disk drive power connector, 19.7” (50 cm) to the first connector, 5.1” (13 cm) between connectors, modular cabling system

The wires for the ATX12V/EPS12V connectors are 16 AWG, i.e., thicker than the minimum recommended. All other wires are 18 AWG. The Tachyon 750 W has an additional EPS12V cable in comparison to the cable configuration of the AZZA Platinum 750 W. On the other hand, the model from AZZA uses 16 AWG wires on the video card cables that are permanently attached to the power supply, which doesn’t happen with the model from Rosewill.

Even though the number of connectors is satisfactory for a 750 W power supply, we think a high-end unit with the 80 Plus Platinum certification deserves more SATA connectors.

Rosewill Tachyon 750w
click to enlarge
Figure 4: Cables

Let’s now take an in-depth look inside this power supply.

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