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Tom’s Hardware’s review finds the Razer Basilisk V4 Pro a comfortable, versatile gaming mouse with a lighter design and up to 200 hours of battery life. Its added AI prompt button disrupts the thumb-button layout, while its high price and relatively large size may put off some buyers.
Tom’s Hardware has reviewed Razer’s Basilisk V4 Pro, a right-handed gaming mouse that updates the Basilisk line with a new sensor, optical switches and an AI prompt button. The review describes it as a comfortable, versatile option for players who want extra controls without an abundance of buttons, but flags the AI button’s effect on the thumb layout, the mouse’s price and its size as drawbacks.
The Basilisk V4 Pro keeps the line’s contoured, right-handed shape and adds bright RGB lighting and several extra buttons. Razer equips it with a Focus Pro 50K optical sensor, fourth-generation optical mouse switches and a maximum polling rate of 8,000 Hz. It supports multiple connection methods, though the supplied review details do not specify the full connection list.
Battery life depends on use. Razer advertises up to 200 hours when using 2.4GHz wireless at a 1,000 Hz polling rate; the review lists 54 hours at 8,000 Hz. Those figures reflect different operating conditions, so the higher polling rate comes with a substantially shorter stated runtime.
Tom’s Hardware’s overall assessment is positive for people seeking a capable all-rounder rather than a stripped-down mouse built primarily for competitive first-person shooters. The reviewer says the V4 Pro feels good and is lighter than the Basilisk V3 Pro. The new AI prompt button, however, interrupts what the review calls the harmony of the thumb buttons. The review also lists the price as high and the mouse as a little large, without providing a price figure or measurements in the supplied details.
Hardware Review · Gaming Mice
Could AI Improve the Razer Basilisk V4 Pro?
Tom’s Hardware finds a comfortable, versatile all-rounder with lighter construction, updated hardware and long battery claims. Its new AI prompt button brings a design compromise, alongside concerns about price and size.
Optical sensor
Optical mouse switches
High-rate option
Contoured, feature-rich shell
At a glance
Comfort meets added controls
The Basilisk V4 Pro updates Razer’s versatile mouse line for players who want extra functionality without a crowded button layout. Tom’s Hardware’s verdict is broadly positive, with a few clear trade-offs.
Comfortable all-rounder
The review describes a good-feeling, contoured mouse that is lighter than the Basilisk V3 Pro.
More ways to customize
Extra controls, bright RGB lighting, multiple connection methods and updated internal hardware broaden its appeal.
AI button disrupts layout
The reviewer says the prompt button interrupts the harmony of the thumb controls. Its configuration options are not detailed.
Battery, with context
Polling speed changes the picture
The two runtime figures describe different conditions. Compare the estimate for the settings you expect to use instead of treating the maximum as a universal result.
Stated wireless runtime
2.4GHzBars show runtime proportionally: 54 hours is about 27% of 200 hours. Testing methods, lighting conditions and other runtime combinations were not specified in the supplied review details.
Up to 200 hours at 1,000 Hz gives the longest stated runtime.
At 8,000 Hz, the review lists 54 hours—substantially less time between charges.
Design evolution
A meaningful refresh for the line
The Basilisk range is positioned as Razer’s versatile all-rounder family. The V4 Pro keeps the familiar broad design while adding revised components and a new AI control.
Basilisk V3 Pro
The prior design established the line’s contoured, right-handed shape.
V3 Pro 35K
The previous listed update arrived in October 2024, with a new sensor.
V4 Pro hardware
Revised sensor and switches join an up-to-8,000 Hz polling option.
AI prompt button
A new control adds a feature, while changing the thumb-button arrangement.
What remains unknown
Check fit, price and settings
The review details provided here leave several buying questions unanswered. These gaps make it harder to judge value and predict how the mouse will feel in everyday use.
No exact measurements
Dimensions and weight are not included, so buyers cannot compare the shell precisely with their hand size or current mouse.
No price figure supplied
The review flags a high price, but the details provided do not state a figure or quantify its premium.
Behavior is unclear
The supplied details do not say what the button launches, which software it needs, or whether it can be reassigned or disabled.
A comfortable, lighter and capable all-rounder for players who want more functionality than a stripped-down FPS mouse. The AI button’s placement, size and cost are the main cautions.
Compare the mouse’s size and price with your needs, check how the AI button can be configured, and match the battery estimate to your intended polling rate.
Key questions
Quick answers for buyers
A concise read on who the Basilisk V4 Pro is for, what it offers and where the review raises reservations.
What is the Razer Basilisk V4 Pro?
A right-handed gaming mouse with a contoured shape, extra controls and RGB lighting. It features a Focus Pro 50K optical sensor, fourth-generation optical switches and polling up to 8,000 Hz.
How long does its battery last?
The review lists up to 200 hours at 1,000 Hz over 2.4GHz wireless, compared with 54 hours at 8,000 Hz. Actual runtime depends on settings and use.
What are the main criticisms?
The AI prompt button disrupts the thumb-button layout. The review also describes the mouse as expensive and a little large.
Who might it suit?
Gamers looking for a comfortable all-rounder with extra functionality, rather than a stripped-down mouse aimed mainly at competitive first-person shooters.
A Versatile Mouse With Added Trade-Offs
The review addresses a practical choice for gamers: whether a mouse’s extra controls and broader feature set are worth potential compromises in price, size and layout. The Basilisk V4 Pro is positioned for players who want more functionality than a minimal FPS mouse offers, but do not want an especially crowded control scheme. Its comfort and battery claims may appeal to that audience, while the reviewer’s criticism of the AI button suggests that adding a feature can also make the physical design less coherent.
The battery figures also show why headline runtime needs context. A stated maximum of 200 hours at 1,000 Hz does not describe use at the maximum 8,000 Hz polling rate, for which the review lists 54 hours. Buyers comparing mice should match battery estimates to the settings they expect to use rather than treating the maximum figure as universal.
Razer Basilisk V4 Pro wireless gaming mouse
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As an affiliate, we earn on qualifying purchases.
How the Basilisk Line Has Changed
Razer’s Basilisk range is presented as its versatile, all-rounder gaming line, rather than its most performance-focused mouse family. The V4 Pro largely retains the V3 Pro’s general design while bringing updated internal components and the new AI prompt button.
The previous listed update was the Basilisk V3 Pro 35K in October 2024. Tom’s Hardware described that model as essentially the V3 Pro with a new sensor. The V4 Pro is a more substantial refresh in the supplied account, adding a revised sensor and switches alongside the high-polling-rate option and AI control.
ergonomic right-handed wireless gaming mouse with programmable thumb buttons
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As an affiliate, we earn on qualifying purchases.
Price, Fit and AI Use Still Open
The supplied review details do not give the Basilisk V4 Pro’s price, exact dimensions or weight, making it difficult to quantify the cost premium or judge fit for different hands. They also do not explain what the AI prompt button launches, which software it requires, or whether users can reassign or disable it. The review’s criticism is about how the button affects the thumb-control arrangement; the available details do not establish how every user will experience that layout.
The listed battery runtimes are tied to specified wireless and polling settings, but the supplied information does not describe testing methods, battery conditions, or runtime under other combinations of connectivity and lighting. Those details matter for comparing the estimates with a buyer’s own setup.
large wireless gaming mouse with long battery life
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Check Fit and Settings Before Buying
For buyers considering the mouse, the immediate next step is to compare its size and price with their needs and to check whether the AI prompt button can be configured in the way they prefer. Players planning to use 8,000 Hz polling should also weigh the review’s 54-hour estimate against the 200-hour figure at 1,000 Hz.
The supplied information does not identify a next Razer announcement or further testing milestone. The review’s conclusions remain the current basis here: a comfortable, feature-rich mouse with updated hardware, alongside concerns about the AI button’s placement, size and cost.
Source: Tom’s Hardware
Razer Basilisk V3 Pro wireless gaming mouse
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Key Questions
What is the Razer Basilisk V4 Pro?
It is a right-handed wireless gaming mouse with a contoured shape, extra controls and RGB lighting. Razer lists a Focus Pro 50K optical sensor, fourth-generation optical switches and polling rates of up to 8,000 Hz.
How long does its battery last?
The review lists up to 200 hours over 2.4GHz at 1,000 Hz, compared with 54 hours at 8,000 Hz. Battery life varies with the polling rate and usage conditions.
What does the review criticize?
Tom’s Hardware says the AI prompt button disrupts the thumb-button layout. It also lists the mouse as expensive and a little large.
Who might the Basilisk V4 Pro suit?
The review presents it as an all-rounder for gamers who want additional functionality, rather than a stripped-down mouse aimed mainly at competitive FPS play.
Source: Tom’s Hardware
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