NETGEAR JGS524NA Unmag Giga 24Pt Switch
by Netgear
List Price:
Our Price: $199.99
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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: NetgearAudio: English (Original Language)
Format: CD
Platform: Windows
Model: JGS524NA
Product features:
- Switch, JGS524NA, 24 port
- 10/100/1g, Networking
- Norton Antivirus 2010 1-User [OLD VERSION]
- Dragon NaturallySpeaking 10 Standard [OLD VERSION]
- Roxio Creator 2010 [OLD VERSION]
- Quicken Deluxe 2010 [OLD VERSION]
- Kaspersky Antivirus 2010 1-User [OLD VERSION]
Digital Cameras Photo Reviews of NETGEAR JGS524NA Unmag Giga 24Pt Switch
Customer Review: Yes it's noisy, but it's not what you think.
Summary: 4 Stars
I bought this switch on Amazon almost a year ago and it has performed flawlessly. However, it has one big detractor... it's loud. One would assume the problem is the fan being too loud, but that's not it... well... not entirely.
I did some testing with three different 40x40x20mm 5v fans and the results are a bit surprising. Turns out the underlying issue here isn't the fan's db levels, but the transmission of the vibration through the switch's chassis. Yes, the stock fan was the loudest of the three (the lowest db fan tested was rated at 18db) but not by much. If you run each fan separate from the unit each is actually pretty quiet. It is not until the fan is places in the chassis that the noise becomes apparent. Since we know the fans themselves aren't loud (they are actually pretty quiet) we can then assume that the "noise" being generated is due to the transmission of the fan's vibration through the chassis. The various fans tested didn't change the db level much, but the pitch would vary slightly per unit. I simply found a pitch that wasn't as noticeable.
The real solution to this problem would be to isolate the fans from the chassis more. It seems as if older units used twin 40x40x10mm fans which likely didn't produce as much vibration (but were louder in db) as the 20mm variants do. Without hacking things up I don't really see a simple solution to this issue (on the current single fan version.)
I could potentially see trying to use a single 40x40x10mm fan, isolating it from the chassis with some rubber, and add a little ducting to the egress. FYI the stock fan flows ~6-7cfm. I may try messing with this again at a later date, but for now it's not a high enough priority since the switch is located in a network/server closet anyway. That said, if I listen as I walk past the room the closet is in I can still hear the switch humming even with the closet door closed. In the end it is a great switch if you are just needing an unmanaged gigabit switch.
Description of NETGEAR JGS524NA Unmag Giga 24Pt Switch
Netgear Unmag Giga 24Pt SwitchDigital Cameras & Photo Categories
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