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YUNZII IF99 specifications and in-depth review

YUNZII IF99

Manufacturer: YUNZII

The YUNZII IF99 is a versatile gaming mechanical keyboard designed for both casual and competitive gamers. Featuring a full-size layout, it offers a comfortable typing experience with a standard profile and customizable RGB lighting for added aesthetics. This model also includes a detachable cable, making it easy to switch between wired and wireless connections.

On the technical side, the YUNZII IF99 boasts a 1000 Hz polling rate for smooth and responsive performance, while its Bluetooth 5.0 support ensures reliable wireless connectivity. The keyboard features YUNZII Cocoa Cream V2 Linear switches with a 50g actuation force and a total travel distance of 3.3mm, providing a satisfying typing experience. Additional features include QMK support and a display, enhancing customization options for users.

Pros
  • Supports both wired and wireless connectivity options, including Bluetooth 5.0 and 2.4GHz wireless.
  • Hot-swappable switches provide flexibility for users who want to customize their key switches without soldering.
  • Features customizable RGB lighting with south-facing LEDs, enhancing the aesthetic appeal.
  • Includes a display for added functionality, allowing for additional user customization.
  • Durable construction with a mix of aluminum and plastic materials, providing a sturdy feel.
Cons
  • Does not include a wrist rest, which may affect long-term comfort for some users.
  • Lacks a rotary dial for extra controls or customization options.
  • Does not support analog input, rapid trigger, dual actuation, or adjustable actuation for more advanced control features.
Who is this for?

The YUNZII IF99 is ideal for users who value both gaming performance and customizability. With its mechanical switches, hot-swappable capability, and support for QMK and VIA, it is a great choice for gamers and typists who want to fine-tune their experience. The full-size layout, wireless and wired connectivity options, and long battery life make it suitable for extended gaming sessions or work environments where flexibility and performance are key. Additionally, its RGB lighting and display add a touch of personalization and style for users who enjoy visually appealing setups.

Who is this NOT for?

This keyboard may not be the best choice for users seeking advanced control features such as rapid trigger or dual actuation, as these are not supported. Additionally, its lack of a wrist rest and rotary dial may make it less comfortable for those who prioritize ergonomics or need extra controls for complex workflows. The absence of analog input may also limit its appeal for specialized tasks that require this feature, such as simulation games or fine-tuned control adjustments.

General info:

Keyboard type Gaming, Mechanical
Keyboard layout size Full (98%)
Profile Standard
connectivity Wireless & wired
connection type Bluetooth, 2.4GHz wireless, USB
polling rate 1000 Hz
Mount type Gasket mount
Battery life 130 hours
designed for Mac ✕
has a detachable cable ✓
height 142.7 mm
width 385 mm
thickness 46 mm
weight 1238 g
Bluetooth version 5
release date January 2025
warranty period 1 years

The YUNZII IF99 keyboard offers a gaming mechanical experience with a full (98%) layout and standard profile. It supports both wired and wireless connectivity, with Bluetooth 5.0 and a 2.4GHz wireless option for versatility. The keyboard features a gasket mount for a comfortable typing feel, and its impressive battery life extends up to 130 hours. With a detachable cable, users can easily switch between different connection types. At 1238 g in weight, it has a compact design with a height of 142.7 mm, a width of 385 mm, and a thickness of 46 mm. A 1-year warranty period is included.

Design:

has RGB lighting ✓
Has a backlit keyboard ✓
Case material Aluminum, Plastic
Plate material Aluminum
Case colors Black, White
has adjustable feet ✓
includes a wrist rest ✕
Backlight facing direction South-facing

The YUNZII IF99 features both RGB lighting and a backlit keyboard, enhancing its visual appeal with south-facing LEDs. Its durable construction combines aluminum and plastic for the case, with an aluminum plate for added stability. The keyboard is available in two color options: black and white, and includes adjustable feet for customized ergonomics. However, it does not include a wrist rest.

Switches:

Switch type Mechanical
Switch feel Linear
Hot-swappable switches ✓
Switch name YUNZII Cocoa Cream V2 Linear
Actuation distance (min) 2 mm
Actuation distance (max) 2 mm
Actuation force 50 g
Total travel distance 3.3 mm

The YUNZII IF99 features mechanical switches with a linear switch feel, specifically the YUNZII Cocoa Cream V2 Linear. These switches offer a minimal actuation distance of 2 mm, with a consistent travel distance of 3.3 mm and a moderate actuation force of 50 g. Additionally, the keyboard supports hot-swappable switches, allowing for easy customization without soldering.

Features:

has analog input ✕
has rapid trigger ✕
has dual actuation ✕
has adjustable actuation ✕
has NKRO ✓
has USB passthrough ✕
Has a display ✓
has QMK support ✓
has ZMK support ✕
has VIA support ✓

The YUNZII IF99 offers several advanced features to enhance its functionality. It supports NKRO for unlimited key presses, ensuring reliable performance during intense gaming or typing. The keyboard also includes QMK support and VIA support, enabling extensive customization options. Additionally, the IF99 features a display for added functionality, although it does not support analog input, rapid trigger, dual actuation, adjustable actuation, or USB passthrough.

Keys & layout:

Keyboard layout ANSI (United States)
Keycap type PBT, Double-shot
Keycap profile Cherry
uses a standard key layout ✓
Media keys Via Fn key
has a rotary dial ✕

The YUNZII IF99 uses an ANSI (United States) keyboard layout and features PBT, double-shot keycaps with a Cherry profile for durability and comfort. It follows a standard key layout and includes media keys accessible via the Fn key. However, it does not have a rotary dial for extra control.

Final Verdict

The YUNZII IF99 is a well-rounded mechanical keyboard that caters to gamers and typists who value customizability and versatility. With its hot-swappable switches, wireless and wired connectivity options, and RGB lighting, it offers a flexible and visually appealing experience. While it lacks some advanced features like dual actuation and a wrist rest, it still provides strong performance and personalization through QMK and VIA support. Overall, it's a solid choice for those seeking a customizable and reliable keyboard for both work and play.