OCZ Fatal1ty 550 W

OCZ Fatal1ty 550 W

Packaging, Contents & Exterior »

Specifications

OCZ Fatal1ty 550W Features & Specs
Max. DC Output550W
PFCActive PFC
Efficiency80 PLUS Bronze
ModularYes
Intel Haswell ReadyNo
Operating temperature0°C - 40°C
ProtectionsOver Voltage Protection
Under Voltage Protection
Over Power Protection
Short Circuit Protection
Cooling135 mm Sleeve Bearing Fan ( RL4Z S1352512H)
Semi-passive operationNo
Dimensions150 mm (W) x 86 mm (H) x 180 mm (D)
Weight1.6 kg
ComplianceATX12V v2.31, EPS 2.92
Warranty3 years
Price at time of review (exc. VAT)$69.99


The PSU is 80 Plus Bronze certified and can deliver up to 550 W, so it falls into the mainstream category and mostly addresses small systems. It is fully modular and supports, according to OCZ, the newer Haswell CPUs, but our testing based on Intel's leaked guidelines shows that it doesn't. That said, you won't run into trouble if you opt to power a Haswell system with it, though this unit is not Haswell compatible according to Intel's unofficial testing procedure.

Its available protection features don't include OCP and OTP (Over Temperature Protection), and the 135 mm cooling fan is LED lit, uses a sleeve bearing. Like most Bronze units, this one doesn't feature a semi-passive operation, but has fairly large dimensions because it is 18 cm long. OCZ apparently didn't want to use another enclosure for the smaller Fatal1ty unit, so they used the same as that of the 750 W model. Finally, the warranty is set at three years, and the price looks good for its features.

OCZ Fatal1ty 550W Power Specs
Rail3.3V5V12V5VSB-12V
Max. Power22A22A41.25A2.5A0.3A
120W495W12.5W3.6W
Total Max. Power550W


The single +12V rail can almost deliver 500 W of power while the minor ones are quite strong for a unit of this capacity, or category. Finally, the 5VSB rail has the minimum allowed current output for a contemporary unit, which will suffice for a mainstream system.

Cables & Connectors, Power Distribution

Modular Cables
ATX connector (600mm)24 pin
4+4 pin EPS12V (650mm)1
6+2 pin PCIe (585mm) 2
SATA (400mm+150mm+150mm+150mm)8
4 pin Molex (400mm+150mm+150mm)8
FDD (+150mm)1


As expected, there are only two PCIe and a single EPS connector, and all are available at the same time. SATA and Peripheral connectors are surprisingly numerous for a 550 W unit, and we are obviously not going to complain about this, on the contrary. All cables are long enough while the distance between all connectors is adequate. Finally, all connectors use 18AGW wires, the recommended ATX standard.

Since this PSU features a single +12V rail, we do not have anything to comment on about its power distribution.
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