A 1600W “monster”: RTX 5090 Lightning specs

MSI’s GeForce RTX 5090 Lightning graphics card has been tested even before its official launch: one overclocker working with engineering samples scored over 53,000 points in the 3DMark Time Spy test using an Intel Core i9-14900KF processor. However, since these results were recorded at the pre-release stage, performance figures may differ on retail versions. This is reported by playground.ru reports .
One of the model’s key highlights is a 40-phase power delivery system that drives both the GPU and memory. Such a design is rare and, by reducing stress on components, improves stability at high frequencies—crucial for extreme overclocking. Officially, the card is designed for up to 1600W power draw, while the XOC BIOS may raise the limit to 2500W.
The PCB features two 12V-2×6 connectors: this spreads current across cables and lowers the risk of a single connector overheating. At the same time, having two connectors also signals extremely high power requirements—MSI has not yet disclosed exact consumption figures, with more details expected later.
On the cooling side, MSI is offering a next-generation liquid-cooling system with an emphasis on a relatively compact design. The shroud includes a large customizable LCD display—described by the company as the first “full-surface” display. The design comes in the Lightning series’ signature black-and-yellow colors.
According to MSI, the new liquid-cooling solution uses a fully integrated cold plate that covers the GPU, memory, and high-voltage circuitry at the same time. The pump optimizes flow dynamics and routes heat to a zoned fin stack radiator with hybrid fin density, improving heat dissipation efficiency.
In addition, quiet operation is emphasized, while the GPU is equipped with a powerful axial fan. The new aerodynamic blades are said to increase static pressure while keeping noise levels lower.
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