7/9/2023 0 Comments Corsair 275r airflow radiator![]() ![]() We control for ambient by constantly measuring temperatures with thermocouples and laser readers. Results on this test platform cannot be compared to previous case benchmark results, as the platform has completely changed.Ĭonducting thermal tests requires careful measurement of temperatures in the surrounding environment. This particular configuration is brand new with the launch of the 570X & 270R. We tested using our new Skylake case test bench, detailed in the table below. The vent on the top of the case is just as large as it was in the 270R, so there’s also some potential for passive cooling through that, and Corsair included a magnetic filter which makes a top intake configuration a little more realistic. Luckily, ventilation is a little better than it appears-there’s an open gap nearly a centimeter wide to either side of the front panel. The 270R also has a closed front panel, but with adequate mesh gaps on either side-we like it for the price anyway, not its performance. It doesn’t look like there’s any ventilation in the front panel at all other than the bottom. Thankfully, the 3.5” cage is attached with screws and can be removed, unlike some other budget cases that use rivets. Instead, there are the usual two 3.5” drive sleds in a cage under the shroud and four total 2.5” mounts behind the motherboard tray. The interior also features Direct Airflow Path™ cooling, which is apparently a trademark-able phrase that translates to “there are no drive cages above the shroud.” There is still a sheet of plastic in front of the fan, granted. The cutout in the shroud for GPU power cables is a feature we’d like to see more often. The cable cutouts now have rubber grommets and well-placed cable tie points placed around them, and the PSU shroud now extends the full length of the case, but otherwise it’s a familiar sight. That’s functionally identical, not literally-we tried switching the 275R’s tempered glass onto the 270R, but the chassis is slightly too big. On the interior, the 275R is functionally identical to the 270R, which is a good thing. The rubber grommets fall out as each screw is removed (or added), turning a process which should be trivial into a disproportionately painful one. It doesn’t make any sense: Corsair still has to drill the same holes through the glass panel, so they’re not making the manufacturing process any easier, and if they wanted to save money on screws they could at least have used Philips-heads. No standoffs means it’s annoyingly difficult to line things up and hold the panel steady (especially with the case vertical), and the hex sockets require an included Allen key to fasten or remove. Corsair broke with tradition and common sense by skipping the standoffs this time and replacing the thumbscrews with Allen bolts. The bog-standard method (and one that Corsair has used before) is to stick some motherboard-style standoffs onto the side of the chassis, wrap them with rubber, and bolt the glass panel over them with thumbscrews at each corner. We always make a point of mentioning how tempered glass panels are attached, because it’s one area where case manufacturers are still making little improvements. Also unlike the PM02, there’s no plastic silhouette used to project the company logo, so the LED assembly can be taken out to leave the bottom vent completely unobstructed. This is something we’d like to see other manufacturers clue-in to. We like that Corsair has tapped-in to front IO for its minor LED power draw. Unlike the PM02, the LEDs draw power from the front I/O without any discrete SATA or Molex cable, which is great-cable management is hard enough without dedicating a whole SATA cable to powering three LEDs. Like the Silverstone PM02, there’s an LED under the front panel for a subtle underglow. The curved front panel gives the 275R a distinct look compared to the sharp-edged 270R, but it also causes some problems that we’ll cover in the thermal section. As shown in the video, we were also able to see some painting imperfections around the borders of the front panel, although we did note that they’re of minimal concern. Coverage is fine, but the front panel is coated in primer-like brushed white paint that looks good but doesn’t perfectly match the paint used on the metal parts of the case. We requested the white version of the case, since it’s hard to find a good full-coverage color scheme that isn’t black. ![]() PSU: 180mm (up to 225mm when HDD cage removed) Top: Up to 240mm (with low-profile memory) Rear: 1 x 120mm (1 x SP120 Black included) Front: 2 x 140mm or 3 x 120mm(1 x SP120 Black included) ![]()
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