Rosewill Fortress 750 W Review 2

Rosewill Fortress 750 W Review

Packaging, Contents & Exterior »

Specifications

Rosewill Fortress-750 Features & Specs
Max. DC Output750W
PFCActive PFC
Efficiency80 PLUS Platinum
ModularNo
Intel Haswell ReadyYes
Operating temperature0°C - 50°C
ProtectionsOver Voltage Protection
Under Voltage Protection
Over Power Protection
Short Circuit Protection
Cooling135 mm Double Ball-Bearing Fan ()
Semi-passive operationNo
Dimensions150 mm (W) x 86 mm (H) x 168 mm (D)
Weight2.6 kg
ComplianceATX12V v2.31, EPS 2.92
Warranty7 years
Price at time of review (exc. VAT)$129.99
Efficiency is Platinum, and the PSU can deliver its full power continuously at up to 50°C ambient, which is as the ATX spec recommends. In order to save money, all cables are affixed, which some users won't care about, although full or semi-modular PSUs are very popular nowadays since even a semi-modular PSU is often significantly easier to install, so most of us probably will fault this unit for its fully modular design. The Fortress-750 is Haswell ready because its VRMs (Voltage Regulation Modules) generate the minor rails, and OTP, although crucial, is, according the unit's official specifications, missing.

The cooling fan uses double ball-bearings, which will have it last longer than a plain sleeve-bearing fan. The unit is also pretty compact, and its price looks good if you take the hefty seven year warranty into account.

Rosewill Fortress-750 Power Specs
Rail3.3V5V12V5VSB-12V
Max. Power20A20A62.5A2.5A0.5A
100W750W12.5W6W
Total Max. Power750W
The single +12V rail can deliver the unit's full power alone, a typical situation in modern PSUs which utilize DC-DC converters to generate the minor rails. Speaking of the latter, their maximum combined power is low, although it will definitely suffice for your now-standard system. The 5VSB rail can delivers 2.5 A, which is considered the minimum for the rail.

Cables & Connectors, Power Distribution

Native Cables
ATX connector (545mm)20+4 pin
8 pin EPS12V (645mm) / 4+4 pin EPS12V (+145mm)1 / 1
6+2 pin PCIe (550mm+150mm)4
SATA (495mm+150mm+150mm+150mm)8
4 pin Molex (490 mm+145mm) / FDD (+145mm)2 / 1
4 pin Molex (490 mm+145mm+145mm)3
The Fortress-750 comes with the for a unit of its category typical number of connectors. Some newer high-end PSUs feature six PCIe connectors, but we think that four are fine for 750 W unit. Regarding cable length, the main ATX connector should be closer to 60 cm long to avoid any problems with full-tower cases. All other cables are pretty long, and the distance among connectors is good, although some of you would probably prefer its SATA connectors to be closer to one another. The 24-pin ATX connector uses AWG16 and AWG18 wires, while the EPS and PCIe cables utilize AWG16 gauges up to their first connector and AWG18-sized connectors afterward. All other connectors use AWG18 gauges.

Since this PSU features a single +12V rail, we do not have anything to comment on when it comes time to talk about its power distribution.
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Jul 3rd, 2022 17:19 EDT change timezone

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