Bestbuy offers WD - SN850X 2TB Internal SSD PCIe Gen 4 x4 NVMe with Heatsink for PS5 and Desktops for $179.99 (orig. $334.99) with free shipping.

Product Description:
Strap in for breakneck gaming speeds with the WD_BLACK SN850X NVMe internal SSD. Crush load times and slash throttling, lagging, and model pop-ins for a smooth, fast experience that lets you compete at your absolute peak. This purpose-built gaming drive comes in the capacity of 2TB with heatsink to help sustain top-end performance for more consistent gameplay. With the advanced features of Game Mode 2.0 (Windows only) plus speeds that approach the limits of the PCIe Gen4 interface, the WD_BLACK SN850X NVMe SSD delivers top-tier performance to keep you playing, streaming, recording, and dominating the game. 

• PCIe Gen 4 x4 (NVMe) interface
  Offers simple connection to your computer.
• 2TB storage capacity
  Provides ample storage space for your music, movies and other files.
• Reach high performance
  The NVMe technology delivers up to 7300MB/sec. data transfer rate speed for a smooth, responsive and powerful gaming experience.
• Limited warranty
  This WD_BLACK SN850X SSD comes with a 5-year warranty.
• Game Mode 2.0 technology
  Includes performance-boosting features, such as load prediction to ready game assets for fast in-game loading.
• Heat sink for the win
  Not only looks awesome, but also helps your rig maintain peak performance through the most intense gaming sessions.
• Your console just got bigger
  Now works with PlayStation 5 console.** Installed in your M.2 slot, play and store PS4™ and PS5™ games directly from the WD_BLACK SN850X NVMe™ SSD with Heatsink and have the speed that you need to experience the next gen in its full glory.