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Thread: Seasonic Platinum/Prime cable compatiblity

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    Default Seasonic Platinum/Prime cable compatiblity

    TL;DR: Are the modular cables compatible between the Seasonic Platinum 660W and the Seasonic Prime Titanium 750W?

    ==================================

    My Seasonic Platinum 660W recently failed (random shutdowns under load and eventual failure to start). While it was under warranty still, I instead chose to take it apart, keeping any parts I found useful. I did so, and then purchased the Prime Titanium 750W to replace it. The new unit is quite happily running with its own modular cables, but I do still have the cables from the old unit.

    The cables from the old unit appear to have the same style of plug as the new unit, but I'm completely clueless as to the pinout (this is why I like color-coded wires). If possible, I'd like to use some of them (the Molex and SATA ones, mostly) with the new unit. Yes, I know I can't plug that many in at once, but it's helpful to have spare Molex chains since I wear those out at quite an alarming rate. That's not Seasonic's fault, but rather a consequence of the amount of hard drive work I do here. I don't think they're supposed to last for hundreds/thousands of insertions.

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    I'd just verify it with a DMM. Don't plug it into the psu. (Diode :?) mode? and just check each pin from the platinum -> prime counterpart.

    I know i worded it horribly, sorry.

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    Heh, I never thought to try that. I did so, and they do appear to be compatible.

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    I had some back and forth with Seasonic regarding Gold v later Gold v Platinum. The peripheral cables were the same. So the PSU, PCIE, SATA and Molex cables were interchangeable. Not so on the ATX24 cables. Those were generation specific, or PSU specific. I can't remember now. I just labeled them to keep them separate. The rest I use as needed.
    CPU: Core i7 8700k, HT enabled, all 6 cores OC'd to 4.8GHz, Vcore = 1.24v
    Heatsink: Noctua NH-D15 with one NF-A15 1500 RPM PWM fan
    Motherboard: Gigabyte Z370X Aorus Gaming 7
    RAM: 4x16GB (64GB) Corsair Vengeance LPX DDR4 RAM 16-18-18-36@3200MHz, Vdimm = 1.35v
    GPU: MSI GeForce GTX 1080 DirectX 12 with 8GB 256-Bit GDDR5X
    SSD1: Samsung 840 EVO 500GB TLC; SSD2: SAMSUNG 860 EVO 1TB 3-bit MLC
    HD: WD 500GB (old); Case: LIAN LI PC-7H Aluminum ATX Mid Tower
    PSU: Seasonic Platinum 660W

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    quest for silence's Avatar
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    BTW, by reading this forum these Platinum drop like flies: I knock on wood (still two in service ATM).
    Best, Luca

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    Quote Originally Posted by quest for silence View Post
    BTW, by reading this forum these Platinum drop like flies: I knock on wood (still two in service ATM).
    So true, these things seem more prone to failure than nearly any other unit I see.

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