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FSP doesn't have a problem releasing products that target only a small portion of users, the extreme enthusiasts with money to invest. Almost two years have passed since we first saw the Hydro PTM+ 1200W, FSP's first liquid-cooled power supply. This week, FSP released its smaller brother. With 850W capacity, smaller dimensions and, above all, a better price, the Hydro PTM+ 850W will probably garner more favor than its high-end (and ultra-expensive) sibling.

The FSP Hydro PTM+ 850W is 80 PLUS Platinum-certified and achieved ETA-A efficiency in the Cybenetics scale. When it comes to noise, Cybenetics evaluated two samples, which scored LAMBDA-A- (26.98 dB[A]) and LAMBDA-A (24.9 dB[A]) without liquid cooling engaged. That's because this unit, like the 1200W model, has a cooling fan, and liquid cooling is an optional feature you can use if you want a quieter operation and higher wattage output. For example, the HPT850M Hydro can deliver up to 1000W if you connect the Bitspower liquid cooling system that comes with the PSU. Plus, at up to 425W, the PSU runs in passive mode, according to FSP.

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The liquid cooling connectors use G1/4” / 12mm connectors. There is also RGB lighting for those who want even their PSU to glow. Finally, the side stickers are changeable, something that we have seen before in FSP's products.

The FSP Hydro PTM+ 850W is immediately available at a MSRP of $399 / £305.

Hydro PTM+ 850W Specs and Features

In a snap, the key features of the Hydro PTM+ 850W are :

• Up to 1000W (with liquid cooling)
• Up to 425W passively cooled
• Hybrid liquid, passive and fan cooling
• RGB lighting with Asus Aura Sync siftware
• 80 PLUS Platinum-certified
• DC-DC module design for 92% efficiency
• 100% Japanese-made electronic capacitors
• 135mm FDB fan
• Dimensions (LxWxH): 150 x 190 x 86mm
• Weight: 2.9kg (6.4 pounds)
• Fully modular design with ribbon cables
• IEC/EN 62368 Safety Ready

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--ADDENDUM--

my good friend @kirill just gave me a video to add to this post, thx kirill )