Razer Viper 8KHz
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Gaming Mice Pheripherals

Razer Viper 8KHz Review

The Razer Viper 8KHz is excellent for FPS gaming. It’s surprisingly very light for a mouse without a honeycomb design, and it feels very well-built.

Razer Huntsman Elite

Razer Inc., is a global video game hardware manufacturing company established in 2005 by Singaporean businessman Min-Liang Tan and Robert Krakoff, after obtaining a large investment from Hong Kong magnate Li Ka-shing and Temasek. Singapore Holdings


Unboxing of Razer Viper 8KHz

The packaging for the Razer Viper 8KHz follows the brand’s usual line: a satin cardboard box with highlights in reflective resin and black and green as the dominant colors. Already on its cover we are shown an image of the product accompanied by the Razer isotype and three highlights: 8,000 Hz Hyperpolling, Focus + 20K optical sensor and Razer Chroma RGB lighting.

On the reverse side, for its part, we have a general infographic that describes the most powerful qualities of the product in addition to those previously mentioned, such as the use of Speedflex cable, Teflon sliders or reduced weight.

Opening the packaging we receive a recycled cardboard box with the Razer logo as the only decoration. Inside we will find a leatherette bag with the Razer Viper 8KHz and various documentation.

The contents of the box can therefore be summarized as:

Razer Viper 8KHz Design

Razer Viper 8KHz is a very light ambidextrous mouse model (just over 71 grams in weight). Its dimensions are 126.73 x 57.6 x 37.81 mm and the material used continues the line of recent years with the use of slightly grained plastic for better resistance to sweat.

As an ambidextrous design, this is a 100% symmetrical mouse. Both sides have auxiliary buttons and non-slip textured rubber surfaces to optimize grip. The M1 and M2 buttons are independent pieces for better pulsation and the central scroll wheel also has a ribbed rubber coating.

The elevation of the Razer Viper 8KHz is on the meager side, featuring a smooth hump slightly off-center to the rear when viewed with a side view. The cable connection point is on an inclined surface, which helps partially protect the joint area and supports the reinforcing rubber located here to counteract jerks. Both in the front area of ​​the mouse and around the scroll wheel we can notice a change in the finishes of the matte black plastic, giving rise to thin bands with a reflective finish already present in the original Viper range.

Turning it over, the Razer Viper 8KHz has three Teflon sliders. The choice of this material continues the strong trend in the industry given its best qualities in reducing friction and wear compared to lifetime vinyl. Also here we can observe various information about the brand, serial number, sensor and quality certificates.

This section highlights the central presence of the Razer Focus + 20K DPI sensor, the company’s most powerful model, with 50G acceleration and 650 IPS points. This little monster is combined with a refresh rate of 8,000 Hz, which generates a latency that is virtually non-existent when compared to the 1,000 Hz of conventional gaming mice.

It is at the bottom where we will find the button to modify the active DPIs. On a personal level, it is something that the Pc E Sport Hub staff convinces us a lot because we have a bad tendency to accidentally press it when it is located next to the scroll wheel during the most hectic games. However, this is a matter of taste and also implies that we could not exchange that button originally assigned to the DPIs for an alternative function in the game, although that already depends on each player.

Switches and Buttons

In total, the Razer Viper 8KHz has four auxiliary buttons (two on the left, two on the right) in addition to the traditional M1, M2 and Scroll. Whether we are right-handed or left-handed, all of them are optomechanical and configurable by software to assign functions or macros, so in total we have seven active buttons when playing games.

M4, M5, M6 and M7 have a very low relief on the sides. Its format is also somewhat fine and the cut-off point between the two is reduced, so pressing the wrong button tends to be somewhat common at the beginning of its use. The material used in them is exactly the same as in the cover, so here we will not have to worry about silty surfaces with prolonged use either.

The Cable

Our gaze now turns to the cable, which is an ultralight Speedflex model with a 180 cm extension. It is not removable, but its main quality lies in the low drag index it presents compared to traditional braided fiber coatings. Terminating to a USB-A port includes the traditional Razer logo embossed in bas-relief and a protective sleeve for connection, featuring the traditional corporate mint green tab.

Putting the Razer Viper 8KHZ into Use

So far we have talked to you about the Razer Viper 8KHz hardware: materials, optomechanical buttons, sensor, cable and sliders. But how do you spend them? Is it comfortable to use? We begin.


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The SteelSeries Engine is a configuration program that is already in its third version and follows the steps marked in depth by software such as Razer Central or Corsair iCUE.

When we install and set it up for the first time our team will recognize the SteelSeries Apex Pro immediately. Already in the first panel we can change between the five configurations for local memory profiles once customized.

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Within the Razer Viper 8K we find the following categories:

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Finally, for all those who already have other Razer peripherals or compatible with the software, in Razer Chroma Studio you can establish profiles for the set of active peripherals, which will be saved in the cloud linked to your Synapse account.


Razer Viper 8KHz is the fastest mouse in the world. A guaranteed minimum latency of 8000Hz and a Focus + sensor with 20,000 DPI and 650 IPS give us a product with very high performance, a mouse worthy of the premium range. However, the effectiveness of the Viper 8K is in figures, distances and times so small (we are talking about 1ms of conventional response vs 0.125ms of the Viper 8K) that we cannot avoid the question of whether the ordinary user can really notice a difference.

You should not think that we are trying to be negative, on the contrary. The technical specifications are exceptional at all levels. Balanced dimensions, anti-slip material for sweat, 180cm long Speedflex cable, optomechanical switches, ambidextrous design, Tephron sliders, RGB lighting and programmable profiles … The Razer Viper 8K is not missing any details, but many of these specifications were already present on the original Razer Viper or Ultimate, so the only tangible novelty is the polling rate provided by its 8000 Hz.

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