Page 2:Packaging, Contents, Exterior And Cabling
Page 3:A Look Inside And Component Analysis
Page 4:Load Regulation, Hold-Up Time And Inrush Current
Page 5:Efficiency, Temperatures And Noise
Page 6:Cross-Load Tests And Infrared Images
Page 7:Transient Response Tests
Page 8:Ripple Measurements
Page 9:Performance, Performance Per Dollar And Noise Ratings
Page 10:High Performance At A Fair Price
Today we take a look at Rosewill's Quark 1000. In addition to 80 PLUS Platinum efficiency and fully modular cabling, this $200 unit can support multiple GPUs.
The big advantage of Rosewill's PSU portfolio comes from the company's affordable prices, which allow it to achieve high performance-per-dollar ratios. The Quark series, however, isn't a stand-out value contender compared to the PSU market's tough competition; this shows that Rosewill isn't afraid of having its PSUs do battle with products from well-established companies in this market segment. The truth is that when you invest in a good platform and quality components, you cannot lower the price of the product below a certain point without taking a loss.
Today we're reviewing the second-strongest unit in the Quark series, which offers 1kW max power along with a fully modular cabling design and 80 PLUS Platinum efficiency for $200. Many PSUs with similar specifications cost a little more than the Quark 1000, and this means that Rosewill's PSU will have a small advantage in the price/performance ratio category. However, the price difference is small, so the Quark still has to perform pretty well in order to keep up with its tough competitors like Corsair's HX1000i, Seasonic's Snow Silent 1050W and EVGA's SuperNOVA 1000 P2.
Since Titanium-rated units aren't very popular yet, the prices of Platinum PSUs remain high enough to make them less appealing to many users, especially those on a tight budget. Rosewill tries to offer good deals on its PSUs, but Gold-class models with similar capacity cost significantly less, making them look like a better deal (especially since the efficiency gap between a good Gold PSU and its Platinum counterpart isn't very big). Having clarified this, we can take a better look at Rosewill's Quark series, which consists of six units with capacities ranging from 550 to 1200W. With this line, Rosewill covers most users and systems, from mid-range to high-end ones.
Again, the Quark 1000 meets the 80 PLUS Platinum requirements and can deliver its full power continuously at up to 40 degrees Celsius, according to Rosewill. Of course, we plan to crank up the temperature inside our hot box above that. Rosewill includes all relevant protection features, including OTP (Over-Temperature Protection). A dual ball-bearing fan handles the unit's cooling without the support of a semi-passive mode. The PSU's dimensions are normal for its capacity, while the warranty is long enough and the price tag is a little lower than what competitors offer for similar specs.
|Total Max. Power (W)||1000|
The single +12V rail can deliver the PSU's full power on its own. The minor rails can deliver enough power for the needs of a contemporary high-end system; however, we would like to see a stronger 5VSB rail in a 1kW unit.
Cables And Connectors
|ATX connector (700mm)||20+4 pin|
|4+4 pin EPS12V (600mm)||2|
|6+2 pin PCIe (600mm+150mm)||8|
|Four-pin Molex (550mm+150mm+150mm)||3|
|Four-pin Molex (550mm+150mm) / FDD(+150mm)||2 / 1|
The PSU has enough cables to deliver its full power efficiently. There are two EPS connectors along with eight PCIe connectors, all of which are available at the same time. The number of SATA and four-pin Molex connectors is more than adequate, and there is even a rarely-used FDD connector. Strangely enough, the main ATX cable is longer than the EPS cables (usually it's the other way around), though in general, all connectors are installed on pretty long cables. In addition, the distance between connectors is sufficient, even if some of you would prefer a shorter distance between the SATA plugs. After all, HDDs are typically installed close to each other. Finally, the 24-pin ATX connector along with the EPS and PCIe connectors use thick 16AWG wires for lower voltage drops, while all the rest of the connectors use standard 18AWG wires.
Since this PSU features a single +12V rail, we do not have anything to comment on about its power distribution.
- Packaging, Contents, Exterior And Cabling
- A Look Inside And Component Analysis
- Load Regulation, Hold-Up Time And Inrush Current
- Efficiency, Temperatures And Noise
- Cross-Load Tests And Infrared Images
- Transient Response Tests
- Ripple Measurements
- Performance, Performance Per Dollar And Noise Ratings
- High Performance At A Fair Price