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The BSUN Spring and HMX Cosmic Purple switches are both standard MX mechanical switches of the linear breed. They both feature POM top housing, POM bottom housing, LY stem material, standard stem shape, 45 g actuation, 2 mm pre-travel, 3.40 mm total travel, however, they come with different spring (stainless steel vs KOS single-stage extended), bottom-out force (52 g vs 55 g). That said, they are nearly identical. 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 BSUN Spring is a linear standard MX mechanical switch with POM top housing, POM bottom housing, and LY stem (standard shape). It features a stainless steel spring. The 45g actuation occurs at 2mm. The 52g bottom-out occurs at 3.40mm. Factory lubing? Yes! Manufactured by BSUN. | 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 | BSUN Spring | HMX Cosmic Purple |
|---|---|---|
| Type | linear | linear |
| Footprint | 5-pin | 5-pin |
| Top housing | POM | POM |
| Bottom housing | POM | POM |
| Stem material | LY | LY |
| Stem shape | standard | standard |
| Spring | stainless steel | KOS single-stage extended |
| Actuation | 45 g | 45 g |
| Bottom-out | 52 g | 55 g |
| Pre-travel | 2 mm | 2 mm |
| Total travel | 3.40 mm | 3.40 mm |
| Lube | Factory lubing? Yes! | Factory lubing? Yes! |
| Designer | - | Unikeys |
| Manufacturer | BSUN | 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 BSUN Spring can be found in 1 stores.
Clicking the links below take you to some notable keyboard shops offering BSUN Spring 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!
BSUN Spring sound test | HMX Cosmic Purple sound test |
No BSUN Spring sound test available. |
Comments on BSUN Spring switches | Comments on HMX Cosmic Purple switches |
No comments on BSUN Spring switches. | 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. |
