Cooler Master Computer Case Cooling R4-L2R-20AC-GP
by Cooler master
List Price:
Our Price: $5.66
You Save: $4.33 (43%)
Availability: Usually ships in 1-2 business days
Category: CE
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Customers in the UK,
buy this product at amazon.co.uk
for British Pounds
Digital Photo Product Details
Manufacturer: Cooler masterAudio: English (Original Language)
Format: CD-ROM
Platform: Windows
Model: R4-L2R-20AC-GP
Color: Black
Product features:
- Up to 69.69 CFM (maximum RPM)
- 19 dB-A silent application for CPU cooling
- RoHS compliance for protecting the environment
- Recommended for V10, V8, Hyper 212, Hyper Z600, Gemini, Cosmos, Cosmos S, Haf 932, HAF 922, CM Storm Scout and Sniper
- 50,000 long life hours
Digital Cameras Photo Reviews of Cooler Master Computer Case Cooling R4-L2R-20AC-GP
Customer Review: Not a PWM fan. Dimensions are 120x120x25 mm - Amazon obsessed with inches it seems..
Summary: 5 Stars
Amazon originally showed this fan having dimensions of 120 x 25 x 120 inches. Clearly a computer case fan is NOT going to be 10 feet wide, 10 feet high, and 2 feet deep. Being a conscientious sort of person, I clicked the 'update product info' link and submitted a correction that the dimensions should be in mm (millimeters), not inches. I even provided a link to the CoolerMaster (manufacturer) website product page to confirm what should be blindingly obvious.. so what happens? I get an email a day later telling me Amazon cannot make the correction as they can't verify it, or I am incorrect. Unbelievable.
I resubmitted the correction, along with a few choice words. This time they change it, but instead of changing the product dimensions from 120x120x25 inches to 120x120x25 mm as it should be, they actually calculate the conversion from mm to inches, and currently the product dimensions show as 4.7 x 1 x 4.7 inches, a sizing that nobody who purchases case fans will recognize, as case fans are always classed in terms of mm, not inches.
Seriously, you can't make this stuff up. Amazon, you have really outdone yourself; you get the gold medal for sheer stupidity. Good luck trying to make many sales on this product as it stands! I have submitted a correction once again - maybe Amazon can get it right the 3rd time, but based on what they've done so far, I wont hold my breath.
Here's the manufacturers product sheet if anyone wants to see the real product specs:
http://www.coolermaster-usa.com/upload/download/155/files/ProductSheet_R4-L2R-20CG-GP.pdf
Its a 90 CFM, 2000RPM, 120x120x25mm case fan, with relatively silent 19dBA noise level and sleeve bearing type.
Despite it being listed as a CPU cooler fan, it is not pulse width modulated (PWM), so if plugged directly into the motherboard it would run constantly at the full 2000RPM, not variable speeds depending on CPU temp. If you run it through a separate manual fan controller device it would work fine though.
This certainly makes an ideal case fan imho (I have a couple of them in my case) - it has a higher airflow than the standard CoolerMaster 120mm fans, which usually run around 69CFM or less depending on the model. It's a good product, shame Amazon seem to have such an issue getting the specs right. 5 stars.
Description of Cooler Master Computer Case Cooling R4-L2R-20AC-GP
Cooler Master R4-L2R-20AC-GP 120mm Blue LED Case FanDigital Cameras and Photo Categories
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