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Thread: PSU Recommendation for 2700X+RTX2070SUPER System with PWDIS/SATA 3.3 Support?

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    Quote Originally Posted by darkarn View Post
    In particular, I notice how the HXi 750 has one less SATA cable than the HX 750 (12 SATA ports vs 16 SATA ports)
    What I am looking at says HX has 4 SATA cables with 4 connectors each (16 total). Difference being the "angle" of the connectors on each cable. One "Molex" with four connectors.

    HXi has 3 SATA cables with 4 connectors each (12 total) and two "Molex" with four connectors.

    So over time (since HX came out after HXi), they decided to replace a Molex cable with a SATA.

    But that's the nice thing about modular PSUs. You can just buy another cable for $5 and have more SATA.

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    Quote Originally Posted by Jon Gerow View Post
    What I am looking at says HX has 4 SATA cables with 4 connectors each (16 total). Difference being the "angle" of the connectors on each cable. One "Molex" with four connectors.

    HXi has 3 SATA cables with 4 connectors each (12 total) and two "Molex" with four connectors.

    So over time (since HX came out after HXi), they decided to replace a Molex cable with a SATA.

    But that's the nice thing about modular PSUs. You can just buy another cable for $5 and have more SATA.
    Thanks, this makes sense now. Indeed this is why I want to go modular with a brand that has good aftersales support so that I can get extra cables easily.

    I am still unsure if the i is worth it though as I am not sure why should I get an "older" PSU with the digital features over a "newer" PSU that do not have them (I was under the impression that the HX came first, then the HXi). To put it another way, what makes the digital PSU special over the normal analog PSUs?

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    Quote Originally Posted by darkarn View Post
    I am still unsure if the i is worth it though as I am not sure why should I get an "older" PSU with the digital features over a "newer" PSU that do not have them (I was under the impression that the HX came first, then the HXi). To put it another way, what makes the digital PSU special over the normal analog PSUs?
    The HXi came out first, but that doesn't make it "older" tech wise. The non-i is the exact same platform with the iCUE ripped out of it.

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    Quote Originally Posted by darkarn View Post
    Thanks, this makes sense now. Indeed this is why I want to go modular with a brand that has good aftersales support so that I can get extra cables easily.

    I am still unsure if the i is worth it though as I am not sure why should I get an "older" PSU with the digital features over a "newer" PSU that do not have them (I was under the impression that the HX came first, then the HXi). To put it another way, what makes the digital PSU special over the normal analog PSUs?
    It allows you to monitor the performance of the PSU in real time.

    Does this matter in real life? Well to some obsessive compulsives it does. Some real hard core OC enthusiasts can use it to fine tune their OC voltages.
    Any benefit to you? I don't think so.

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    Quote Originally Posted by Jon Gerow View Post
    The HXi came out first, but that doesn't make it "older" tech wise. The non-i is the exact same platform with the iCUE ripped out of it.
    I see, I thought the i also gives better fans etc too (like RMi vs RM)

    Quote Originally Posted by mdk777 View Post
    It allows you to monitor the performance of the PSU in real time.

    Does this matter in real life? Well to some obsessive compulsives it does. Some real hard core OC enthusiasts can use it to fine tune their OC voltages.
    Any benefit to you? I don't think so.
    Ah I see, I thought the HXi would have DSP-like features like what the AXi has too

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    I'm wondering if any factory will release a modular SATA cable without the 3.3V wire. The 3.3V on SATA cables is bringing far more trouble to users than its use (if there's any).

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    Quote Originally Posted by Travis View Post
    I'm wondering if any factory will release a modular SATA cable without the 3.3V wire. The 3.3V on SATA cables is bringing far more trouble to users than its use (if there's any).
    Corsair AIO leds needs 3.3V to work, as a SI worker is the most common function that I see

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    Quote Originally Posted by JCabanes View Post
    Corsair AIO leds needs 3.3V to work, as a SI worker is the most common function that I see
    It's the only function I've seen.

    And now, because there are PSUs without +3.3V leads causing higher than normal call rates at Corsair tech support, they've switched over to either +3.3V and +5V. All new products (starting with the H150i Elite) and rolling change for everything already in production.

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  10. #29
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    Quote Originally Posted by Travis View Post
    I'm wondering if any factory will release a modular SATA cable without the 3.3V wire.
    We have some. I just sit in my office at night snipping the +3.3V wires off of cables until I fall asleep.

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