Introduction
Contents
The Seasonic Platinum Fanless 520 W (a.k.a. SS-520FL) is, as the name suggests, a fanless power supply with the 80 Plus Platinum certification, targeted to users building a quiet computer. It also comes with a fully modular cabling system. Let’s see if this new release deserves our recommendation.
Figure 1: Seasonic Platinum Fanless 520 W power supply
Figure 2: Seasonic Platinum Fanless 520 W power supply
The Seasonic Platinum Fanless 520 W is 6.3” (160 mm) deep.
The modular cabling system from this power supply has 10 connectors: two for the main motherboard power connector, four for video card and ATX12V/EPS12V connectors, and four for peripheral and SATA connectors. This power supply comes with the following cables:
- Main motherboard cable with a 20/24-pin connector, 23.6” (60 cm) long
- One cable with two ATX12V connectors that together form an EPS12V connector, 25.2” (64 cm) long
- Two cables, each with one six/eight-pin connector for video cards, 23.6” (60 cm) long
- One cable with four SATA power connectors, 15.7” (40 cm) to the first connector, 4.7” (12 cm) between connectors
- One cable with two SATA power connectors, 11.8” (30 cm) to the first connector, 4.7” (12 cm) between connectors
- One cable with three peripheral power connectors, 15.7” (40 cm) to the first connector, 4.7” (12 cm) between connectors
- One cable with two peripheral power connectors, 11.8” (30 cm) to the first connector, 4.7” (12 cm) between connectors
- One adapter to convert a standard peripheral power connector into a floppy disk drive power connector
All wires are 18 AWG, which is the minimum recommended gauge.
The number of connectors is outstanding for a 520 W power supply.
Figure 3: Cables
Let’s now take an in-depth look inside this power supply.