Ensuring a successful connection between Corsair RM850e and AMD Radeon RX 7900 XTX
Ensuring a successful connection between Corsair RM850e and AMD Radeon RX 7900 XTX
I own a ready-made desktop built with Windows 11, primarily used for gaming. My power supply is a Corsair RM850e, and my graphics card is an AMD Radeon RX 7900 XTX.
I often encounter `DXGI_ERROR_DEVICE_REMOVED` errors in games, which means the graphics card has been temporarily disconnected. During troubleshooting, I’m curious if my card receives enough power from the PSU.
The card features three 8-pin PCIe connections. The manufacturer connected it to the PSU using specific cables:
- One cable with an 8-pin PCIe end on the card side and a 8-pin CORSAIR Type 4 end on the PSU side.
- Another cable has two 8-pin PCIe ends on the card side and one 8-pin CORSAIR Type 4 end on the PSU side.
All three 8-pin PCIe slots are currently occupied, which may explain why the vendor opted for a pigtail. Only a few 6-pin ports remain labeled SATA/PATA.
Corsair claims that a pigtail cable with a CORSAIR Type 4 on the PSU side can deliver up to 300 W. Is this accurate? Does this configuration provide sufficient power for my graphics card, or should I consider a PSU with an extra PCIe slot, like the Corsair HX 1000i?
Yeah, not so much. Theoretically, slightly less resistance, but in the distances we are talking, and for a power plane, not relevant. The distances between the VRMs power output and the GPU power pins is much more important, so really the main power source for the GPU will be the local capacitors and chokes on the board, not really the 12V incoming power.
With Corsair Type 4 PCIe cables, the daisy chaining is okay. They used 16 gauge wire rather than the common 18 gauge wire to accommodate the output. A little more resistance from the pins/splice, but minor.
Update your post with complete hardware details and operating system information. Provide the power supply specifications, including voltage, amperage, age, and condition (original, build, refurbished, used). List all connected peripherals. Specify whether the network is wired or wireless. Mention the games you play and their sources.
The sequence matters. If 'viewed facing fans' indicates the Dp and Hdmi sockets are on the left side of the image, then follow the arrangement of the first picture.
Placing the power socket nearer to the GPU core increases its power output.
It's a typical point of confusion, but the reasoning is clear.