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Connector‑Less Single‑Slot RTX 3060 Shows Crippled Performance and High Heat

A Newegg listing frames the card for tiny PCs and low-end AI inference despite its hardware limits.

Overview

  • A BiliBili teardown and independent coverage revealed a navy‑blue, single‑slot RTX 3060 that has no external power connector and uses a visible circuit modification to force power from the PCIe slot.
  • The card appears to use a shunt modification to alter the power‑sensing resistor so it runs within the PCIe x16 slot’s roughly 75W limit rather than the 3060’s normal 170W spec.
  • Benchmarks shown in the teardown delivered about 4,821 points in 3DMark Time Spy, which is roughly half a normal RTX 3060 score and can be slower than older GTX 1060 and RX 580 cards.
  • Thermal testing showed hotspot temperatures above 90°C and clear throttling, and software power telemetry such as GPU‑Z is unreliable because the modification changes the card’s sensing circuits.
  • A Newegg listing from SRhonyra priced the card at $495 and markets it for compact systems and running 7B–13B LLMs, which could give small‑form‑factor builders a way to add discrete GPU inference despite the steep tradeoffs in power, cooling, longevity and real performance.