Bigdrago (OP)
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January 09, 2018, 11:23:12 PM |
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Hi. I have some spare slots on my psu (evga g2 1600w). I want to power the risers from vga port on psu (8-pin). The 8-pin is supposed to be splitted to 8-pin to 2x 8-pin.
So. Are there any good powered risers out there with 8-pin connection? I see a lot of sata and 4pin
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Bimmber
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January 10, 2018, 07:59:06 AM |
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They don`t exist and you don`t need 8 pin riser, its actually 6 pins, other 2 pins just signal that more power can be used. Get 8 pin to 6 pin cable and you are good.
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Bigdrago (OP)
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January 10, 2018, 09:31:07 AM |
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Bimmber
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January 10, 2018, 09:33:37 AM |
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First time I have ever seen riser with 8 pins
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Bigdrago (OP)
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January 10, 2018, 07:46:16 PM |
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The one from cryptomined is the newest version. Ver 010 ?
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Branko
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January 10, 2018, 10:01:43 PM |
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8 pin is 150W, 6 pin is 75W, but since only 75W can go through PCI-E slot, whats the purpose?
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Undefined31415
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January 10, 2018, 10:05:58 PM |
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Can you not swap PSU connectors around such that you can use 6(+2) connectors for the more-typical 6-pin risers? Otherwise, you can get 8-pin to 6-pin adapters if your PSU doesn't offer that sort of flexibility (which I would be surprised if it doesn't).
8-pin connectors are unnecessary for risers, although some may choose to manufacture them. If a card is pulling significantly more than 75W through the riser (some cards have been recorded pulling 80-90W through the slot, in some cases; 6-pin PCIe connectors can handle being pushed over-spec, but it's not ideal), there's something wrong with the card or the manufacturer.
The spec is 75W; supplementary onboard power connectors on the cards are supposed to ensure cards don't pull more than 75W through the slot. This helps prevent damage to the motherboard, or in our case, also to risers.
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Bigdrago (OP)
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January 10, 2018, 10:29:07 PM |
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Can you not swap PSU connectors around such that you can use 6(+2) connectors for the more-typical 6-pin risers? Otherwise, you can get 8-pin to 6-pin adapters if your PSU doesn't offer that sort of flexibility (which I would be surprised if it doesn't).
8-pin connectors are unnecessary for risers, although some may choose to manufacture them. If a card is pulling significantly more than 75W through the riser (some cards have been recorded pulling 80-90W through the slot, in some cases; 6-pin PCIe connectors can handle being pushed over-spec, but it's not ideal), there's something wrong with the card or the manufacturer.
The spec is 75W; supplementary onboard power connectors on the cards are supposed to ensure cards don't pull more than 75W through the slot. This helps prevent damage to the motherboard, or in our case, also to risers.
Since 8pin can handle more power I want to use 8pin. 8pin (150w) from psu to power 2x 8pin risers. (75w + 75w) Thanks for all the inputs.
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[YAZ]
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January 11, 2018, 12:49:24 AM |
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8 pin is 150W, 6 pin is 75W, but since only 75W can go through PCI-E slot, whats the purpose?
That riser only powered by 2 x 12V and the other is ground, so will not produce 150 watts. 8 pin is 150W, 6 pin is 75W, but since only 75W can go through PCI-E slot, whats the purpose?
75 watts if we are using PCIe 16X, 25 watts for A full-sized PCIe 1X. This is good for a motherboard with no additional graphics power on it.
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Undefined31415
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January 11, 2018, 01:03:05 AM |
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Can you not swap PSU connectors around such that you can use 6(+2) connectors for the more-typical 6-pin risers? Otherwise, you can get 8-pin to 6-pin adapters if your PSU doesn't offer that sort of flexibility (which I would be surprised if it doesn't).
8-pin connectors are unnecessary for risers, although some may choose to manufacture them. If a card is pulling significantly more than 75W through the riser (some cards have been recorded pulling 80-90W through the slot, in some cases; 6-pin PCIe connectors can handle being pushed over-spec, but it's not ideal), there's something wrong with the card or the manufacturer.
The spec is 75W; supplementary onboard power connectors on the cards are supposed to ensure cards don't pull more than 75W through the slot. This helps prevent damage to the motherboard, or in our case, also to risers.
Since 8pin can handle more power I want to use 8pin. 8pin (150w) from psu to power 2x 8pin risers. (75w + 75w) Thanks for all the inputs. If your cards are drawing enough power through the slot to significantly exceed 75W and truly need 8-pin power connectors, you'll run into other problems. 6-pin power works fine. Use 8-pin ones at your own inconvenience.
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Bigdrago (OP)
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January 11, 2018, 11:24:20 AM |
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8 pin is 150W, 6 pin is 75W, but since only 75W can go through PCI-E slot, whats the purpose?
That riser only powered by 2 x 12V and the other is ground, so will not produce 150 watts. Where do you read that the riser is only powered by 2x12v? Isnt 8pin 150w and 6pin75 ?
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[YAZ]
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January 11, 2018, 12:04:18 PM |
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Where do you read that the riser is only powered by 2x12v? Isnt 8pin 150w and 6pin75 ?
That product only powered by 2 yellow cables, and I didn't see clearly that the black jumper cable come from the 2 yellow cable. The 8 pin adaptor has four 12 volt lines.
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Bigdrago (OP)
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January 11, 2018, 12:16:53 PM |
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Where do you read that the riser is only powered by 2x12v? Isnt 8pin 150w and 6pin75 ?
That product only powered by 2 yellow cables, and I didn't see clearly that the black jumper cable come from the 2 yellow cable. The 8 pin adaptor has four 12 volt lines. Thanks, think I will stick to 6pin risers then. Trying to find some good 8pin to dual 6pin cables, and someone longer than 25 cm
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