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Reddit mentions of Delta 23-1238-02 120 x 120 x 38Mm High Speed Ball Bearing Fan 3-Pin Connector
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of Delta 23-1238-02 120 x 120 x 38Mm High Speed Ball Bearing Fan 3-Pin Connector. Here are the top ones.
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12VDC, 4 Amp. Max., 48WUltra High Speed 5500 RPM, 252.85 CFM, 66.5 dBADimensions:120 x 120 x 38mm, Ball Bearing3-pin TAC connectorPlease make sure you understand the specifications before placing order. This is a extremely powerful fan and it provides tremendous amount of cooling fan at the expense of very high noise level. Please make sure your power supply can provide enough power for this cooling fan.
Specs:
Sysadmin here. I had the same idea back in December and moved some of my rigs to my homelab cabinet in my garage. The trouble with typical 42U racks is that they're really intended to consolidate equipment as densely as possible, which makes cooling harder.
I moved some of my PVC frame rigs into the cabinet, replacing the front/back doors with box fans in push/pull, but temperatures weren't any better than they had been on utility shelves with push only box fans. (ambient +50C)
I DID manage to get good temperatures in a rack by moving my rigs into cases and replacing the stock fan closest to the GPUs with this 250CFM fan. (ambient +25C)
PROs: rigs are tidy and very well protected. cheaper than watercooling for the same temperatures.
CONs: airplane engine loud.
Ultimately, with the massive devaluation vs fiat in the first week of February, I was spending more on electricity than I could earn from crypto. Most of those rigs are offline now.
As an alternative, the best (most efficient for parts/labor invested) heat management system I've seen so far is this cold air containment system.