ATK Blazing Sky X1 V2 Series Esports Wireless Gaming Mouse

ATK Blazing Sky X1 V2 esports wireless mouse in silver, front three-quarter view

The ATK Blazing Sky X1 V2 is a symmetrical esports wireless mouse built for medium to large hands and claw or palm grips. It weighs 55 g on the 2.0 models and 48 g on the Air+, polls at 8000 Hz in both wired and wireless modes, and runs on ATK's own 54 series ApexShark MAX platform. This listing covers the whole X1 V2 series: Ultra Max 2.0, Ultimate 2.0, Ultimate 2.0+, Extreme 2.0, Extreme 2.0+ and Air+.

Exploded view of the ATK X1 V2 Air showing the shell, PCB, scroll wheel and base

Full-size comfort, 48 g to 55 g

At 127 x 64 x 40 mm, the X1 V2 keeps a full-size shell rather than shrinking the shape to save weight. The 2.0 models come in at 55 g and the Air+ at 48 g, and the saving comes from the internal structure, so the shell stays solid with no holes or cut-outs in the surface you hold.

The shape is symmetrical with a gentle hump, sized for medium to large hands and comfortable in claw or palm grip.

Nordic 54 series MCU

The X1 V2 moves to a Nordic 54 series microcontroller, the chip that reads the sensor and switches and talks to the dongle. It is built on a 22 nm process, four generations ahead of the 55 nm part in the previous ATK generation, and runs at 128 MHz, double the previous 64 MHz.

The Extreme 2.0 and Extreme 2.0+ use the Nordic 54H20; the Ultra Max 2.0, Ultimate 2.0, Ultimate 2.0+ and Air+ use the Nordic 54L15.

ATK X1 V2 in black with 22 nm versus 55 nm and 128 MHz versus 64 MHz comparison

ApexShark Gaming Firmware MAX

ATK's self-developed 54 series ApexShark MAX solution pairs that MCU with firmware tuned for it. With Gaming Firmware MAX switched on, the mouse reports more tracking points across the same movement, so cursor motion is smoother and small corrections land more precisely.

PAW3955 Master and PAW3950 Ultra sensors

PixArt PAW3955 Master sensor badge for the ATK X1 V2 Air

The Ultimate 2.0+, Extreme 2.0+ and Air+ carry the PAW3955 Master. The Ultra Max 2.0, Ultimate 2.0 and Extreme 2.0 use the PAW3950 Ultra.

The PAW3955 Master tracks at up to 850 IPS with 75 G of acceleration and a DPI range up to 50,000, with 1 DPI steps on the Extreme 2.0+ and Air+. PAW3950 Ultra models run to 42,000 DPI. Lift-off distance is adjustable from 0.7 mm to 1.7 mm across 11 levels in 0.1 mm increments.

Sensor tuning in ATK HUB

Diagram of the ATK X1 V2 with a slider moving the virtual sensor position between +100 and -100

Virtual Sensor Offset

Move the virtual centre point of the sensor forward or back along the mouse to change how the mouse pivots under your hand.

Dynamic DPI Curve

Set how sensitivity scales with hand speed, so slow micro-adjustments and fast flicks can each have the ratio you want.

8000 Hz wireless with the GEM 8K dongle

The X1 V2 polls at 8000 Hz over both the USB-C cable and the 2.4 GHz link through the included GEM 8K dongle, so the wireless connection reports as often as wired.

Click latency is 0.163 ms on the Extreme 2.0 and Extreme 2.0+ and 0.181 ms on the other models. The Ultra Max 2.0 adds Bluetooth on top of 2.4 GHz and wired; the rest of the series is 2.4 GHz and wired only.

ATK GEAR GEM 8K wireless dongle with USB-C port

Three switch options

Each X1 V2 model comes with one of three ATK switch types. The Ultra Max 2.0 uses ATK Lightblade Mechanical switches, the Ultimate 2.0 and Ultimate 2.0+ use ATK Custom Optical switches, and the Extreme 2.0, Extreme 2.0+ and Air+ use ATK Swiftlight Optical switches.

Transparent ATK X1 V2 showing the battery, with 800 hours in large type

Up to 800 hours per charge

Every 2.0 model carries an 800 mAh battery. The Ultra Max 2.0, Ultimate 2.0 and Ultimate 2.0+ are rated for 800 hours at 1000 Hz, and the Extreme 2.0 and Extreme 2.0+ for 265 hours. The Air+ uses a 300 mAh cell rated for 300 hours.

Running at 8000 Hz draws more power, so expect shorter figures at the top polling rate.

Nano coating and fine surface texture

The shell has a new nano coating over a finely textured surface. ATK pairs the two for maximum anti-slip grip straight from the shell, and an ATK Edge grip tape set is in the box if you want more.

Underside of the ATK X1 V2 Ultimate showing the large PTFE skates, sensor and power switch

High-PTFE skates and TTC Gold wheel

The base carries large high-PTFE skates with dual-layer anti-indentation support, for a smooth, stable glide. Spare grey dual-layer skates, four pairs of small custom skates and ten pairs of white dot skates are included.

The scroll wheel uses a TTC Gold encoder.

ATK HUB on desktop and web

Configure the X1 V2 through ATK HUB, available as a desktop application or directly in the browser. Polling rate, DPI steps, lift-off distance, Virtual Sensor Offset, the Dynamic DPI Curve and button assignments all live there, alongside any other ATK gear you own.

ATK HUB software on a monitor with an ATK headset, keyboard and X1 V2 mouse on the desk

X1 V2 colourways

Five ATK X1 V2 mice in purple, white, black, silver and red

Sunset Orange

X1 Air+

Blaze Silver

X1 Air+

Shadow White

X1 Air+

Metallic Red

X1 Ultimate 2.0

Metallic Purple

X1 Extreme 2.0

Metallic Silver

X1 V2

Specifications by model

The six X1 V2 models share the same shell and differ in sensor, MCU, switches, battery and connectivity. Scroll sideways on smaller screens.

Specification	Ultra Max 2.0	Ultimate 2.0	Ultimate 2.0+	Extreme 2.0	Extreme 2.0+	Air+
Weight	55 ±3 g	55 ±3 g	55 ±3 g	55 ±3 g	55 ±3 g	48 ±3 g
Dimensions	127 x 64 x 40 mm	127 x 64 x 40 mm	127 x 64 x 40 mm	127 x 64 x 40 mm	127 x 64 x 40 mm	127 x 64 x 40 mm
Shape	Symmetrical	Symmetrical	Symmetrical	Symmetrical	Symmetrical	Symmetrical
Hand size	Medium to large	Medium to large	Medium to large	Medium to large	Medium to large	Medium to large
Grip style	Claw / palm	Claw / palm	Claw / palm	Claw / palm	Claw / palm	Claw / palm
Sensor	PAW3950 Ultra	PAW3950 Ultra	PAW3955 Master	PAW3950 Ultra	PAW3955 Master	PAW3955 Master
MCU	Nordic 54L15	Nordic 54L15	Nordic 54L15	Nordic 54H20	Nordic 54H20	Nordic 54L15
Polling rate	8000 Hz	8000 Hz	8000 Hz	8000 Hz	8000 Hz	8000 Hz
DPI range	10 to 42,000 (10 DPI steps)	10 to 42,000 (10 DPI steps)	10 to 50,000 (10 DPI steps)	10 to 42,000 (10 DPI steps)	10 to 50,000 (1 DPI steps)	1 to 50,000 (1 DPI steps)
Click latency	0.181 ms	0.181 ms	0.181 ms	0.163 ms	0.163 ms	0.181 ms
Switch	ATK Lightblade Mechanical	ATK Custom Optical	ATK Custom Optical	ATK Swiftlight Optical	ATK Swiftlight Optical	ATK Swiftlight Optical
Scroll wheel	TTC Gold	TTC Gold	TTC Gold	TTC Gold	TTC Gold	TTC Gold
Battery	800 mAh	800 mAh	800 mAh	800 mAh	800 mAh	300 mAh
Battery life (1000 Hz)	800 hours	800 hours	800 hours	265 hours	265 hours	300 hours
Coating	All-new nano coating	All-new nano coating	All-new nano coating	All-new nano coating	All-new nano coating	All-new nano coating
Connectivity	Wired / 2.4 GHz / Bluetooth	Wired / 2.4 GHz	Wired / 2.4 GHz	Wired / 2.4 GHz	Wired / 2.4 GHz	Wired / 2.4 GHz

Q&A & Specifications

Questions & Answers

Does the X1 V2 have Bluetooth?

Only the Ultra Max 2.0. Every other model connects over 2.4 GHz through the GEM 8K dongle or over the USB-C cable.

What is the difference between the plus and non-plus models?

The plus models (Ultimate 2.0+, Extreme 2.0+, Air+) use the newer PAW3955 Master sensor with a DPI range up to 50,000. The Ultimate 2.0, Extreme 2.0 and Ultra Max 2.0 use the PAW3950 Ultra, which runs to 42,000 DPI. Within each pair, weight, MCU, switches and battery are the same.

Can I really run 8000 Hz wirelessly?

Yes, through the GEM 8K dongle. Battery life at 8000 Hz will be lower than the 1000 Hz ratings above, so it is worth keeping 8000 Hz for matches and dropping to 1000 or 2000 Hz for everyday use.

Do I need to install software?

Not to use the mouse. ATK HUB is there when you want to change DPI steps, polling rate, lift-off distance or the sensor tuning options, and it runs in a browser as well as on desktop.

Which hand size does it suit?

ATK sizes the X1 V2 for medium to large hands in claw or palm grip. The shape is symmetrical, with side buttons on the left for right-handed use.

Specifications

Model: ATK Blazing Sky X1 V2 series
Shape: symmetrical, right-handed, medium to large hands
Grip: claw or palm
Dimensions: 127 x 64 x 40 mm
Weight: 55 g ±3 g (Air+ 48 g ±3 g)
Sensor: PixArt PAW3955 Master or PAW3950 Ultra (see table)
Tracking: 850 IPS, 75 G
DPI: up to 42,000 (PAW3950 Ultra) or 50,000 (PAW3955 Master), see table
Lift-off distance: 0.7 to 1.7 mm, 11 levels
MCU: Nordic 54H20 or 54L15 (see table)
Polling rate: up to 8000 Hz, wired and 2.4 GHz
Connectivity: 2.4 GHz (GEM 8K dongle), USB-C wired; Bluetooth on Ultra Max 2.0
Switches: ATK Lightblade Mechanical, Custom Optical or Swiftlight Optical (see table)
Scroll wheel: TTC Gold encoder
Battery: 800 mAh (Air+ 300 mAh), 265 to 800 hours at 1000 Hz (see table)
Coating: nano coating with fine surface texture
Skates: high-PTFE, dual-layer anti-indentation
Software: ATK HUB, desktop and web
In the box: mouse, GEM 8K dongle, 8K Ultra-Spec USB-C cable, grey dual-layer skates, 4 pairs of small custom skates, 10 pairs of white dot skates, ATK Edge grip tape set, manual and warranty card

Choosing your X1 V2

The ATK Blazing Sky X1 V2 puts a PAW3955 Master or PAW3950 Ultra sensor, a Nordic 54 series MCU and 8000 Hz wireless into a symmetrical shell at 55 g, or 48 g for the Air+, with three switch types and a battery that lasts hundreds of hours. The table above is the quickest way to pick a model. Whichever one you choose, it works out of the box with the dongle plugged in.

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