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Thermalelectric Energy For PCs?

Aphrodites
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I thought of this idea. What if we used the heat generated by the processing units of PCs and use it to make energy, for the PC or for fans? This will also take heat away from the processors to use it for cooling. This may have several limitations but I don't know what they are. This is why this post is here. Is this a viable solution, or is this just another madman's thoughts?

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Our current tech is far from good enough for that to be worth the time. Heck, not even companies with a ton of servers like Google bothered to do that.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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You need a cool side to create the temperature difference in order to get things going. I'm not sure how much of a temperature difference is needed and I'm sure it likely depends on the material.

 

The best we've done with computer waste heat is make them into heaters.

I have a blog! And a list of guides I've posted

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4 minutes ago, Jurrunio said:

Our current tech is far from good enough for that to be worth the time.

This. Our current technology has an efficiency of only something around 2% - 7%; we might just about be able to run one, single fan with the electricity generated, if the CPU was under full load and was one of the really power-hungry models.

Hand, n. A singular instrument worn at the end of the human arm and commonly thrust into somebody’s pocket.

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