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You should use a dual PCIe 6-pin to single 8-pin PCIe cable because a PCIe 6-pin power cable only delivers 75 watt, whereas a PCIe 8-pin power cable can deliver up to 150 watt, that is why you need two PCIe 6-pin power supply cables to "create" one PCIe 8-pin power supply connector: Here are a few examples of GPUs that don’t require external power: GT 1030, GTX 1050 2GB variant, RX 550, RX 460, and many others. As none of these GPUs have a lot of processing power, they don’t need more than 75 watts of power. 6-Pin Connector A 6-pin connector After introducing 12-pin connectors, NVIDIA also worked for its PSUs with less than 12-pin connectors. Thus, it has also released adapters with two x6 pin connectors. Adapters Or Converters For Connectors General rule of thumb: if you have to use an adapter to make your PSU do it, your PSU shouldn't be doing it. The only exception to that, imo, is dual 6-pin to 8-pin, which is imo usually safe as long as the adapter isn't total shit. A single 6-pin to 8-pin will provide as much power as a 6-pin, and is generally a bad idea. There are often compatibility issues when building a PC, and power connectors are no different. Fortunately, computers are made by engineers who like to modify hardware that isn’t suited to their needs by default.
Are 6-pin to 8-pin adapters safe for GPUs? - TechPowerUp
Despite the fact that 150 watts are enough for most graphics cards, high-end cards such as NVIDIA’s RTX 3080 require more than 320 watts and system power of 750 watts. As 150 watts will be enough for most mid-range cards, these usually feature the 6-pin power connector. The most recent example would be NVIDIA 3000 series development by NVIDIA, and it came along with 12-pin connectors to draw the power supply needed by the GPU. 5. Can A 6-Pin PSU Connect To An 8-Pin GPU Connector?so i am wondering whether or not i can use an adapter that connects 2 6 pin connectors to an 8 pin connector for power a gpu like a rx 570 which takes 150 watts. You must utilize this cable if your graphics card needs a 6-pin power connector, but your PSU does not possess it. Generally, it indicates an extremely old PSU, suggesting it may be time for an upgrade. If you insist on retaining your current PSU, note that this type of adapter occasionally necessitates one 4-pin connector, but it is usually two, which is advised. 4-Pin Molex to 8-Pin PCI-E Power Adapter Cable On the very good assumption I do not wish to change the PSU, what are your suggestions? I may have to consider the GTX 1060 which isn't my first choice but certainly better then no upgrade. There's a lot of info to go around, but the short answer, as many have said already: You'll be fine as long as your power supply has the wattage your system+GPU needs.
8 Pin Plug to 6 Pin NEM651 Socket Harness (3 Pack) NEM652 8 Pin Plug to 6 Pin NEM651 Socket Harness (3 Pack)
An entry-level graphics card needs 150 watts of power supply through the motherboard for running seamlessly. In contrast, the standard PCIe x16 slots only offer you 75 watts of power. So, if you expect a desirable performance from your PC, you need highly efficient GPU power connectors. is more than sufficient. My specs are i5 2500k, 1x5400 Samsung SATA 2 TB, 2x4GB DDR3, Radeon 5850 (currently), 3x92mm fans and 2x80mm fans with an SSD to be added and a couple of USB peripherals (dongle, KB and mouse)If it’s using more wattage, you need two cables with separate connections to the PSU. This different connection is prevention to the burning of the wires. What happens if you use a 6-pin connector in an 8-pin GPU?
at Overclockers UK Internal Power Cables and Adaptors Available at Overclockers UK
It is common in traditional PSUs, and the modern-age PSUs employ PCIe connectors. If you have SATA connectors and want compatibility with your 6-pin GPU, you can use SATA to 6-Pin PCI-E Adapter Cable. This power adapter cable offers you compatibility with SATA connectors and draws more than 150 watts of power for your GPU. 6. SATA to 8-Pin PCI-E Adapter Cable SATA to 8-Pin PCI-E Adapter Cable why should it be? I mean the power draw will be split evenly over 4 cables. psu is a old 650W with only 1 x 8 pin and a 6 pin coming off the same lead. i need 2 x 8 pins. it's a semi modular power supply and i've lost all the modular cables. i don't want to change the 6 pin to 8 pin as 2 x 8 pins off the same rail could be dangerous no?
The SATA came as a replacement for the PATA connectors. Earlier, the PATA connectors had 34- 40 pins, so to save space, the SATA connectors replaced them. These connection types were designed to offer high-speed data transmission to storage devices, optical drives, and graphical units. However, SATA has become older now. The 6 pin spec only required 2x 12v lines, rather than the 3x 12v of the 8 pin. The 6 pin physical connector and cabling (18 gauge wire), can in theory cope with around 190W - but this assumes that the cabling of the PSU actually meets that spec (i.e. cheaper unbranded PSUs frequently skimp and use cheaper narrower gauge cabling), and also assumes a set temperature. An often overlooked yet critical factor when building a PC is power consumption. A top-of-the-line graphics card can place too great a burden on many PSUs, and that is something gamers need to avoid. We have prepared this guide to help you better understand GPU power connectors. If your standard PSU has a 4-pin Molex connector and is not compatible with the new-age graphics system, this adapter cable helps you with compatibility. The 4-pin Molex to 8-Pin PCIe adapter cable connects one end with your four-pin Molex pin. Then the other end connects with your 8-pin GPU to draw 150 watts of power supply externally. 4-Pin Molex To 8-Pin PCI-E Power Adapter Cable The graphics card that easily harnesses the power from a 6-pin connector is GTX 1060 and GTX 1650. These two graphics cards have a power requirement of 120 and 100 watts, respectively. In many cases, Graphics cards have two 6-pin connectors. Two six-pin connectors will offer 150 watts of power, and the PCIe x16 slot will offer another 75 watts. Thus, the total power they would get is 225 watts. What Is An 8-pin GPU Cable?
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