How much does this cost to the nearest dollar?

Razer Core X Aluminum External GPU Enclosure (eGPU) Compatible with Windows & MacOS Thunderbolt 3 Laptops, NVIDIA /AMD PCIe Support, 650W PSU, Mercury White
Ultra boost your Ultrabook. Desktop Grade Performance Boosts Thunderbolt 3 laptop performance with support for up to 3 slot wide PCIe full sized desktop graphics cards (graphics card not included) Built-In Power Supply Includes a 650W ATX PSU with 100W laptop charging via Thunderbolt 3 Compatibility (Windows) Requires Thunderbolt 3 external graphics (eGPU) support with RS45 or later and compatible NVIDIA or AMD graphics cards Compatibility (macOS) Requires Thunderbolt 3 and High Sierra or later and compatible AMD graphics cards only (NVIDIA cards not supported) Graphics Coprocess

Price is $400.00

Price: $399.99