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Case fans

The Great Kamek
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What if I only use 2 fans that comes with the case, and use them in the back and on top, no in the front. How will that go? Better or worse?

Phanteks eclipse 400

  • CPU
    AMD Ryzen 5 1600
  • Motherboard
    MSI B350 PC Mate
  • RAM
    Team T-Force Vulcan 16GB (2x8)
  • GPU
    ASUS Geforce GTX 1060 6GB
  • Case
    Phanteks Eclipse P400
  • Storage
    WD 1TB 7200RPM, WD Blue 500GB SSD
  • PSU
    CORSAIR CX Series CX650 650W
  • Display(s)
    Dell SE2717HR 27" 75HZ
  • Cooling
    AMD Wrath Spire
  • Keyboard
    Rosewill Neon k85
  • Mouse
    Rosewill Neon m59
  • Operating System
    Windows 10 64-bit Pro
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the CPU will like it, the GPU will still complain

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: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally 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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It's recommended to have as close to neutral pressure as possible. So assuming you have both of the fans exhaust air, it'll likely be worse off than having one fan in the front as intake and one fan as exhaust. By having negative pressure without any intake fans, cool air is being forced into your case from anywhere it can. This will lead to an inefficient use of the fans. General rule of thumb, should have at least 1 intake fan and 1 exhaust fan in your case.

print "Hello World!" ("Hello World!")

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