ASUS TUF-RTX4090-O24G-OG-GAMING graphics card

Product identity

The ASUS TUF Gaming GeForce RTX 4090 OG OC Edition is a refurbished graphics card built for 4K gaming and heavy creative workloads. It ships with 24GB of GDDR6X memory on a 384-bit bus and a PCI Express 4.0 x16 interface. The GPU runs at a 2235 MHz core clock with a 2595 MHz boost clock in OC mode.

Sustained load behaviour

A 450 W thermal design power and a 16-pin power connector feed the 16384 CUDA cores under continuous load. The triple-fan cooler uses a reversed central fan and dual ball bearings to move air through a 3.2-slot heatsink. Military-grade capacitors rated for 20K hours at 105°C keep the power rail stable during long render or compute sessions.

Upgrade context

The card replaces earlier 24GB Ampere flagships and mid-range Ada models when 450 W TDP and 850 W PSU headroom are acceptable. The jump is worth it for workflows that need 21 Gbps memory bandwidth and DLSS 3 frame generation at 7680 x 4320 output.