When sourcing GeForce cards in bulk, you must verify the GPU core architecture (e.g., Ada Lovelace, Ampere) and clock speeds using software like GPU-Z. Ensure the VRAM capacity and type (e.g., GDDR6X) match the official NVIDIA specifications. Always request the Device ID to prevent 'rebadged' or 'fake' cards where older chips are flashed with newer BIOS versions. For wholesale lots, cross-reference the Part Number (PN) and SKU with the manufacturer's official database (e.g., ASUS, MSI, Gigabyte).