A Razer Viper V3 Pro wireless gaming mouse model appeared briefly in an Amazon France listing—the prematurely published page seems to have been deactivated since its discovery was shared on the popular Mousereview subreddit. Internet sleuth, SwitchBoy500 managed to preserve details in a couple of posted screengrabs, although no product photos were included in the now removed Amazon.fr entry. The leaked price was €179.99 (~$195)—not surprising given Razer's previously announced "Pro" premium tier pointer devices—although it is suggested that North American customers could be paying $159 on launch day, with a "HyperPolling True 8KHz Wireless Receiver Dongle" bundled in. The leaked release date was March 28—perhaps Europe specific (or subject to change). Many specifications seem to align with Razer's DeathAdder V3 Pro model, although one internal difference appears to be a choice of mouse sensor. Current "Pro" flagships are fitted with the Focus Pro 30K Optical (PixArt PAW3950), while the upcoming Viper could sport a fancy new "Focus+ Gen-2 Optical Sensor."

Several thread commenters are already familiar with the Razer Viper V3 Pro, albeit from a distance—commenters pointed out that pre-release samples have been spotted at competitive multiplayer gaming events. According to social media tips, Nexa (real name Nemanja Isaković) from G2 was observed using a "new Razer Viper V3 Pro with HyperPolling dongle" at a January 2024 "Blast CS2 LAN" tournament. Prototypes and preview units are often sent to professional Esporters, online influencers and reviewers—it is not a big surprise to see leaked examples appear online weeks or months in advance of an official product rollout. The Viper V3 Pro is believed to share the same overall design aesthetic as seen on the mid-range Viper V3 Hyperspeed sibling. Close analysis of blurry tournament footage or photographs suggest that the Pro model's DPI switch is positioned underneath, rather than on top (behind the mouse wheel)—as seen on the Razer's Hyperspeed variant.