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The Kailh Box Jam Ice Cream and HMX Cosmic Purple switches are both standard MX mechanical switches of the linear breed. They both feature POM top housing, POM bottom housing, however, they come with different stem material (PUK vs LY), stem shape (circular dust-proof vs standard), spring (15.2 mm vs KOS single-stage extended), actuation (37 g vs 45 g), bottom-out force (60 g vs 55 g), pre-travel (1 mm vs 2 mm), total travel (3.50 mm vs 3.40 mm). That said, they are mostly different. Let's check out this side-by-side specs rundawn with details, availability -- and even current prices -- to figure out which one fits you the best!
The Kailh Box Jam Ice Cream is a linear standard MX mechanical switch with POM top housing, POM bottom housing, and PUK stem (circular dust-proof shape). It features a 15.2 mm spring. The 37g actuation occurs at 1mm. The 60g bottom-out occurs at 3.50mm. Extra: Light diffuser. Factory lubing? Yes! Designed by Jianlu and Kailh. Manufactured by Kailh. | The HMX Cosmic Purple is a linear standard MX mechanical switch with POM top housing, POM bottom housing, and LY stem (standard shape). It features a KOS single-stage extended spring. The 45g actuation occurs at 2mm. The 55g bottom-out occurs at 3.40mm. When buying 90 or more Cosmic Purple switches, they will come in a brand-new switch container. Factory lubing? Yes! Designed by Unikeys. Manufactured by HMX. |
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| Name | Kailh Box Jam Ice Cream | HMX Cosmic Purple |
|---|---|---|
| Type | linear | linear |
| Footprint | 5-pin | 5-pin |
| Top housing | POM | POM |
| Bottom housing | POM | POM |
| Stem material | PUK | LY |
| Stem shape | circular dust-proof | standard |
| Spring | 15.2 mm | KOS single-stage extended |
| Actuation | 37 g | 45 g |
| Bottom-out | 60 g | 55 g |
| Pre-travel | 1 mm | 2 mm |
| Total travel | 3.50 mm | 3.40 mm |
| Lube | Factory lubing? Yes! | Factory lubing? Yes! |
| Designer | Jianlu and Kailh | Unikeys |
| Manufacturer | Kailh | HMX |
By tracking prices and in-stock status of 30+ well-known keyboard stores worldwide, we can state that the HMX Cosmic Purple is not available at the moment, while the Kailh Box Jam Ice Cream can be found in 1 stores.
Clicking the links below take you to some notable keyboard shops offering Kailh Box Jam Ice Cream and HMX Cosmic Purple switches. When accepted, the prices indicated already include the discount - use the KBDNEWS coupon code at checkout to claim your saving!
Prices, discounts, and stock status are checked regularly; however, changes since the last update cannot be ruled out. Everything here is for informational purposes only. Check the product pages for the latest prices!
Kailh Box Jam Ice Cream sound test | HMX Cosmic Purple sound test |
No Kailh Box Jam Ice Cream sound test available. |
Comments on Kailh Box Jam Ice Cream switches | Comments on HMX Cosmic Purple switches |
The Jam Ice Cream switch is a linear switch jointly customized by Jianlu and Kailh, part of the Ice Cream Universe series. With its unique design and outstanding performance, it is the perfect choice for gaming and typing enthusiasts. Design: The switch stem features a vibrant berry red color, while the housing is a creamy off-white. The overall aesthetic is visually appealing and comfortable. Material: The switch stem is made of PUK material, and both top and bottom housings are crafted from POM, ensuring durability and a premium feel. Special coating: Both pins have an anti-oxidation coating, enhancing longevity and stability. Light guide: The high-transparency PC light guide provides excellent light diffusion and a glowing effect – diykey. | The HMX Cosmic Purple linear switches are manufactured using HMX's brand new full POM housing mold. It is the first HMX switch that comes with a full POM housing. Full POM housing with LY stem is not rare to see in this hobby but HMX makes it distinct; Most POM housing and Ly stem switches, such as BSUN Aniya and BSUN Dusty Rose, are deep and thocky sounding. That's not the case with Cosmic Purple; Thanks to HMX's molding design and unique LY blend, Cosmic Purple switches are super clacky and higher pitched. The POM housing widens the sound spectrum and makes them sound full and vibrant at the same time. We also left a bit of audible scratch to these switches if that's what you like – Unikeys. |
