The Most Silent Kailh Switch Ever
🔇 HUSH Deep Sea Pro vs. Midnight Pro: The Ultimate Silent Switch Showdown
Whale · Pink Islet · Islet · Midnight Tactile/Linear – 100M lifespan, BOX structure, <35dB
📌 In This Guide
- 🌊 HUSH Deep Sea Pro
- 🐋 Whale (Tactile)
- 🌸 Pink Islet (Light Linear)
- 🏝️ Islet (Linear)
- 🌙 Midnight Switch Pro
- 📊 Comparison & Verdict
🔍 Click to jump – find your perfect silent companion.
💬 When it comes to mechanical keyboards, the quest for the perfect switch can feel like an endless adventure. For those who crave the tactile pleasure of mechanical keys but need to keep things quiet, silent switches are the holy grail.
Today, I’m diving into a detailed comparison of two stellar silent switches: the HUSH Deep Sea Switch Pro and the Midnight Switch Pro. Whether you're a gamer, a coder, or just someone who types a lot, this comparison should help you decide which switch fits your needs best.
🌊 HUSH Deep Sea Switch Pro – Silent as the Abyss
The HUSH Deep Sea Switch Pro features Kailh's renowned BOX structure, which has been rigorously tested over the years. The design includes three independent internal chambers, significantly enhancing waterproof and dustproof performance (IP56 rated). This allows it to handle harsh environments and extends lifespan to 100 million keystrokes.
All switches come pre‑lubricated from the factory. New silent pad material eliminates mushiness while keeping noise below 35dB. The deep blue housing + high‑transparency top cover + light guide column delivers excellent RGB diffusion.
🐋 Whale Switch – Tactile Silent
📋 Specifications
- Type: Tactile
- Tactile Force: 45 ± 10 GF
- Operating Force: 60 ± 10 GF
- Actuation Travel: 2.0 ± 0.40 mm
- Total Travel: 3.6 ± 0.4 mm
- Durability: 100M keystrokes
- Structure: BOX (IP56)
A medium‑heavy tactile switch with a pronounced bump. Ideal for typists who want strong feedback without the noise. The factory lube ensures smooth travel, and the new silent pad material gives a crisp bottom‑out with no mushiness.
🌸 Pink Islet Switch – Ultra‑Light Linear (37g)
📋 Specifications
- Type: Linear (light)
- Operating Force: 37 ± 10 GF
- Actuation Travel: 1.8 ± 0.40 mm
- Total Travel: 3.6 ± 0.4 mm
- Durability: 100M keystrokes
- Structure: BOX (IP56)
If you're a fan of lightweight switches, the Pink Islet is a dream. At just 37g, typing feels fluid and effortless, with minimal finger fatigue. The reduced force eliminates any mushy feel, making for an incredibly comfortable experience. Personally, I found typing on the Pink Islet Switch to be extremely pleasant — lively, light, and just plain comfortable.
🏝️ Islet Switch – Balanced Linear
📋 Specifications
- Type: Linear
- Operating Force: 45 ± 10 GF
- Actuation Travel: 1.8 ± 0.40 mm
- Total Travel: 3.6 ± 0.4 mm
- Durability: 100M keystrokes
- Structure: BOX (IP56)
The standard Islet linear offers a balanced 45g actuation – smooth, quiet, and responsive. Perfect for both gaming and typing, it’s the all‑rounder of the Deep Sea family.
🌙 Midnight Switch Pro – Sleek Silence with Thickened Silicone
The Midnight Switch Pro series uses thickened and widened silicone on the sides of the housing to cushion and reduce vibrations, making keystrokes extremely quiet. The housing is color‑matched to the stem for a coordinated, sleek appearance. Durability is rated at 70 million keystrokes.
Midnight Pro (Tactile)
- Type: Tactile
- Tactile Force: 50 GF
- Operating Force: 40 GF
- Actuation Travel: 2.0 ± 0.40 mm
- Total Travel: 3.7 ± 0.3 mm
- Durability: 70M
Midnight Pro (Linear)
- Type: Linear
- Operating Force: 40 GF
- Actuation Travel: 1.9 ± 0.40 mm
- Total Travel: 3.7 ± 0.4 mm
- Durability: 70M
📊 Comparison & Verdict: HUSH Deep Sea Pro vs. Midnight Pro
🌊 HUSH Deep Sea Pro
100M lifespan · IP56 · <35dB
- ✅ Durability: 100 million keystrokes – built to last
- ✅ Environment: BOX structure with 3 chambers – waterproof & dustproof (IP56)
- ✅ Silent pads: New material – crisp bottom-out, no mushiness
- ✅ RGB: High-transparency top + light guide column – excellent diffusion
- ✅ Variants: Whale (tactile), Pink Islet (37g light linear), Islet (45g linear)
🎯 Best for: Users who want the longest lifespan, waterproofing, and a super‑light linear option. Ideal for dormitories, shared offices, and harsh environments.
🌙 Midnight Switch Pro
70M lifespan · Sleek design · Silicone cushion
- ✅ Durability: 70 million keystrokes – still highly reliable
- ✅ Silent mechanism: Thickened silicone side cushions – very quiet operation
- ✅ Aesthetics: Color‑matched housing and stem – sleek, coordinated look
- ✅ Variants: Tactile (40/50g) and Linear (40g)
🎯 Best for: Users who prioritize sleek aesthetics, a softer cushioning feel, and balanced performance. Great for everyday typing and gaming in quiet environments.
⚡ Quick Decision Guide
• You need 100M lifespan
• You want waterproof/dustproof
• You love RGB diffusion
• You want a 37g ultra‑light linear
• You prefer a sleeker, color‑matched design
• You like softer silicone cushioning
• 70M lifespan is enough for you
• You want a balanced tactile or linear
Both series offer exceptional silent performance. The HUSH Deep Sea Pro is the durability and environmental champion, while the Midnight Pro shines in aesthetics and softer feel. Whichever you choose, your keystrokes will be whisper‑quiet.
📖 For more silent switch comparisons: Keyboard University’s Switch Guide | Tom’s Hardware Best Switches
© 2025 Kailh Silent Switch Review. Based on official specifications and hands‑on testing. Free to share with credit.