Kailh × Ainbell Ocean Heart — Ultra-Quiet Silent Linear Switch | 40gf · Smooth · 80M
$0.58
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Ultimate Silent Linear & Brilliant RGB
Kailh Ocean Heart Silent Switch
The Perfect Symphony of "Snow-Stepping" Crisp Silence and Unmatched Illumination.
Tired of traditional silent switches that feel like stepping in mushy mud? Or frustrated by opaque housings that completely swallow your expensive RGB lighting? Kailh introduces the absolute pinnacle of whisper-quiet performance, crisp typing feel, and brilliant illumination—the "Kailh x Ainbell Ocean Heart Silent Linear Switch."
This switch completely revolutionizes the silent linear category. Abandoning soft mushy rubber, it innovatively employs hard silicone dampeners, delivering a crisp, highly satisfying bottom-out akin to "stepping on fresh snow." Featuring an exclusive Honeycomb Light Guide and full-clear PC housing, RGB brightness skyrockets by 40%. Paired with a feather-light 40gf actuation and a 20mm silver-plated extended spring, every keystroke is buttery smooth, bouncy, and undeniably premium.
Hard
Silicone Dampeners
+40%
RGB Brightness
40gf
Light Actuation
80M
Lifespan
Core Advantages: The Undisputed King of Silence & Aesthetics
We know you demand an undisturbed environment but refuse to compromise on a terrible "mushy" feel or dim lighting. The Ocean Heart is engineered specifically for the most discerning custom keyboard enthusiasts.
The Problem: Mushy & Sluggish
Traditional silent switches rely on soft rubber pads. While they reduce noise, the bottom-out feels disastrously mushy and sluggish, stripping away the mechanical joy.
The Problem: Dim & Blocked RGB
Many silent switches use opaque or heavily frosted housings that swallow up backlighting, resulting in dim, uneven, and disappointing RGB effects.
The Problem: Finger Fatigue
Heavy actuation forces cause finger fatigue during long typing sessions, and standard short springs offer a weak, uninspiring rebound.
✨ Kailh Ocean Heart Silent Linear: The ultimate solution offering hard silicone "snow-stepping" silence, a honeycomb light guide for +40% RGB, and a bouncy 20mm silver spring.
Say Goodbye to Mushy Bottom-Outs
Hard Silicone for a Crisp "Snow-Stepping" Feel
Traditional Issue
Standard silent switches use excessively soft dampening pads. While quiet, pressing them feels muddy, ruining the crisp satisfaction of a mechanical keyboard.
The Kailh Advantage
Innovatively places hard silicone dampening rings on both sides of the stem. Combined with Kailh's high-precision molds, it ensures excellent noise reduction while massively improving bottom-out rigidity.
The Benefit
Enjoy extreme silence without sacrificing mechanical feedback. It completely eliminates the "mushy" feel; every keystroke sounds and feels like stepping on fresh, crisp snow. Perfect for the office or late-night dorms, providing a highly satisfying yet non-disruptive typing experience.
Say Goodbye to Dim Lighting
Honeycomb Light Guide & Full-Clear PC
Traditional Issue
Opaque or heavily frosted housings swallow up LED backlighting, making your expensive RGB setup look dim and uneven with harsh hotspots.
The Kailh Advantage
Features a fully transparent PC (Polycarbonate) top and bottom housing, ingeniously embedding Kailh's exclusive "Honeycomb Light Guide" structure.
The Benefit
Transform your keyboard into a desktop masterpiece. The honeycomb column perfectly focuses and diffuses the bottom LED light, entirely eliminating dark zones. RGB brightness surges by 40%. Paired with the ice-blue POM stem, it emits a brilliant, even, oceanic glow in the dark.
Say Goodbye to Finger Fatigue
40gf Actuation & 20mm Silver-Plated Spring
Traditional Issue
Heavy switches lead to severe finger strain, while standard short springs offer a weak, lazy rebound that ruins your typing rhythm.
The Kailh Advantage
Meticulously tuned with a feather-light 40gf actuation force, paired with an anti-oxidation 20mm silver-plated extended spring, and treated with automated precision factory lube.
The Benefit
Type or game all day with zero fatigue. The 40g force is incredibly gentle on muscles, while the 20mm silver-plated spring (rust-proof for longevity) delivers an exceptionally snappy, bouncy rebound. A full 4.0mm deep travel ensures every input feels rhythmic and profoundly solid.
Feature Comparison: The Ocean Heart Upgrade
| Features | Standard Silent Linear Switch | ✨ Kailh Ocean Heart Silent Linear |
|---|---|---|
| Dampening & Feel | Soft rubber, feels mushy and muddy | Hard silicone, crisp "snow-stepping" feedback |
| RGB Brightness | Opaque/Frosted housing, swallows light | Full-Clear PC + Honeycomb Guide — +40% Brighter |
| Actuation Force | 45 - 55gf (Can cause fatigue) | 40 gf — Feather-light, fatigue-free |
| Spring Specs | 15mm standard short spring | 20mm silver-plated extended spring — Snappy & bouncy |
| Total Travel | Often shortened to 3.5 – 3.8 mm | 4.0 mm — Full, deep, and satisfying travel |
| Lubrication | Usually unlubed, needs manual work | Precision factory lubed — Flawless out of the box |
| Lifespan | ~ 50 Million Cycles | Up to 80 Million Cycles (80M) |
Technical Specifications
Hardcore data for enthusiasts.
🤫Dampening
Hard Silicone
💡RGB Guide
Honeycomb
🪶Force
40 gf
🛡️Lifespan
80M Cycles
| Product Name | Kailh x Ainbell Ocean Heart Silent Linear Switch |
|---|---|
| Switch Type | Silent Linear Mechanical Switch |
| Silencing Solution | Hard Silicone Dampening Rings (Eliminates mushiness, retains crisp feedback) |
| Light Guide Tech | Kailh Exclusive "Honeycomb Light Guide" (+40% Brightness) |
| Housing Material | Full High-Transparency PC / Polycarbonate (Top & Base) |
| Stem Material | Ice-Blue POM |
| Actuation Force | 40 gf (Lightweight feel) |
| Bottom-Out Force | 45 gf |
| Pre-Travel (Actuation) | 1.7 mm |
| Total Travel | 4.0 mm (Full, deep travel) |
| Spring Specs | 20 mm Silver-Plated Extended Spring (Anti-oxidation, bouncy rebound) |
| Lubrication | Premium Factory Pre-lubed (Rails, Spring) |
| Pin Configuration | 5-Pin (Supports hot-swap PCBs; simply clip the 2 plastic pins to fit 3-pin boards) |
| Lifespan | 80,000,000 Keystrokes |
| LED Compatibility | Perfectly supports SMD & through-hole LEDs, industry-leading light diffusion |
Customer Reviews
★★★★★
"Finally, a silent switch that isn't mushy!"
"The hard silicone dampeners are an absolute game-changer. The sound is incredibly quiet, but the bottom-out is surprisingly crisp with absolutely no 'stepping on a sponge' feeling. The 'snow-stepping' description is incredibly accurate. Flawless typing feel."
— @SilentTyper, Custom Keeb Hobbyist
★★★★★
"The Honeycomb Light Guide is RGB magic."
"The high-clear PC combined with that honeycomb column literally magnified my keyboard's RGB. The light is so even and beautiful without blinding hotspots. The ice-blue stem peeking through clear keycaps is pure aesthetics."
— @KeyboardEnthusiast, Desk Setup Guru
★★★★★
"40g + Long Spring = Typing Nirvana."
"I write code all day. The 40g force is the perfect sweet spot—zero resistance when typing fast—and the 20mm long spring makes the rebound extremely snappy. The factory lube is top-tier. Quiet and insanely comfortable for the office."
— @OfficeDev, Full-Stack Engineer
Premium Quality, Worry-Free Support
Free Shipping Over $80
Global stock, dispatched within 24 hours.30-Day Returns & Compatibility
Perfectly compatible with MX-style 5-pin/3-pin hot-swap boards. Zero risk to try!1-Year Official Warranty
Tested for 80 million cycles. Industrial-grade lifespan guarantees rock-solid quality.Frequently Asked Questions
Ordinary silent switches use softer TPE or standard rubber pads, which deform severely upon bottoming out, creating a vague, mushy "stepping in mud" sensation. The Ocean Heart utilizes high-cost, customized "Hard Silicone" that absorbs high-frequency noise while maintaining bottom-out rigidity. This provides near-silent operation alongside a crisp, satisfying tactile feedback—much like walking on fresh, crisp snow.
Standard transparent housings let light through but often create harsh, blinding hotspots. The Honeycomb Light Guide features a special internal optical structure that refracts and diffuses the direct LED light from multiple angles. The result is a 40% increase in overall brightness and a beautifully even, soft halo across the entire base of the keycap, eliminating harsh glare.
No. The Ocean Heart switches are precision-lubricated at the factory on high-friction points like the stem rails and springs using Kailh's professional automated equipment. They offer an ultimately smooth linear feel with zero spring ping right out of the box, ready to be installed immediately.
Yes, highly suitable. 40gf is an extremely popular "lightweight" force that drastically reduces finger fatigue. Paired with the snappy rebound of the 20mm silver-plated spring and a slightly faster 1.7mm actuation, it allows you to maintain rapid combo speeds and incredibly responsive inputs during long competitive gaming sessions.
Yes, you can! The two extra plastic positioning pins on the bottom of the 5-pin switch are designed to provide better stability on plateless PCBs. If your keyboard PCB only supports 3 pins (like many mass-produced boards), simply use a nail clipper or flush cutters to snip off the two small plastic side pins. It will fit perfectly without affecting the switch's function or warranty.
Free Shipping $80+
30-Day Easy Returns
24h Quick Dispatch
1-Year Warranty
Kailh × Ainbell Ocean Heart — Ultra-Quiet Silent Linear Switch | 40gf · Smooth · 80M
$0.58
Ultimate Silent Linear & Brilliant RGB
Kailh Ocean Heart Silent Switch
The Perfect Symphony of "Snow-Stepping" Crisp Silence and Unmatched Illumination.
Tired of traditional silent switches that feel like stepping in mushy mud? Or frustrated by opaque housings that completely swallow your expensive RGB lighting? Kailh introduces the absolute pinnacle of whisper-quiet performance, crisp typing feel, and brilliant illumination—the "Kailh x Ainbell Ocean Heart Silent Linear Switch."
This switch completely revolutionizes the silent linear category. Abandoning soft mushy rubber, it innovatively employs hard silicone dampeners, delivering a crisp, highly satisfying bottom-out akin to "stepping on fresh snow." Featuring an exclusive Honeycomb Light Guide and full-clear PC housing, RGB brightness skyrockets by 40%. Paired with a feather-light 40gf actuation and a 20mm silver-plated extended spring, every keystroke is buttery smooth, bouncy, and undeniably premium.
Hard
Silicone Dampeners
+40%
RGB Brightness
40gf
Light Actuation
80M
Lifespan
Core Advantages: The Undisputed King of Silence & Aesthetics
We know you demand an undisturbed environment but refuse to compromise on a terrible "mushy" feel or dim lighting. The Ocean Heart is engineered specifically for the most discerning custom keyboard enthusiasts.
The Problem: Mushy & Sluggish
Traditional silent switches rely on soft rubber pads. While they reduce noise, the bottom-out feels disastrously mushy and sluggish, stripping away the mechanical joy.
The Problem: Dim & Blocked RGB
Many silent switches use opaque or heavily frosted housings that swallow up backlighting, resulting in dim, uneven, and disappointing RGB effects.
The Problem: Finger Fatigue
Heavy actuation forces cause finger fatigue during long typing sessions, and standard short springs offer a weak, uninspiring rebound.
✨ Kailh Ocean Heart Silent Linear: The ultimate solution offering hard silicone "snow-stepping" silence, a honeycomb light guide for +40% RGB, and a bouncy 20mm silver spring.
Say Goodbye to Mushy Bottom-Outs
Hard Silicone for a Crisp "Snow-Stepping" Feel
Traditional Issue
Standard silent switches use excessively soft dampening pads. While quiet, pressing them feels muddy, ruining the crisp satisfaction of a mechanical keyboard.
The Kailh Advantage
Innovatively places hard silicone dampening rings on both sides of the stem. Combined with Kailh's high-precision molds, it ensures excellent noise reduction while massively improving bottom-out rigidity.
The Benefit
Enjoy extreme silence without sacrificing mechanical feedback. It completely eliminates the "mushy" feel; every keystroke sounds and feels like stepping on fresh, crisp snow. Perfect for the office or late-night dorms, providing a highly satisfying yet non-disruptive typing experience.
Say Goodbye to Dim Lighting
Honeycomb Light Guide & Full-Clear PC
Traditional Issue
Opaque or heavily frosted housings swallow up LED backlighting, making your expensive RGB setup look dim and uneven with harsh hotspots.
The Kailh Advantage
Features a fully transparent PC (Polycarbonate) top and bottom housing, ingeniously embedding Kailh's exclusive "Honeycomb Light Guide" structure.
The Benefit
Transform your keyboard into a desktop masterpiece. The honeycomb column perfectly focuses and diffuses the bottom LED light, entirely eliminating dark zones. RGB brightness surges by 40%. Paired with the ice-blue POM stem, it emits a brilliant, even, oceanic glow in the dark.
Say Goodbye to Finger Fatigue
40gf Actuation & 20mm Silver-Plated Spring
Traditional Issue
Heavy switches lead to severe finger strain, while standard short springs offer a weak, lazy rebound that ruins your typing rhythm.
The Kailh Advantage
Meticulously tuned with a feather-light 40gf actuation force, paired with an anti-oxidation 20mm silver-plated extended spring, and treated with automated precision factory lube.
The Benefit
Type or game all day with zero fatigue. The 40g force is incredibly gentle on muscles, while the 20mm silver-plated spring (rust-proof for longevity) delivers an exceptionally snappy, bouncy rebound. A full 4.0mm deep travel ensures every input feels rhythmic and profoundly solid.
Feature Comparison: The Ocean Heart Upgrade
| Features | Standard Silent Linear Switch | ✨ Kailh Ocean Heart Silent Linear |
|---|---|---|
| Dampening & Feel | Soft rubber, feels mushy and muddy | Hard silicone, crisp "snow-stepping" feedback |
| RGB Brightness | Opaque/Frosted housing, swallows light | Full-Clear PC + Honeycomb Guide — +40% Brighter |
| Actuation Force | 45 - 55gf (Can cause fatigue) | 40 gf — Feather-light, fatigue-free |
| Spring Specs | 15mm standard short spring | 20mm silver-plated extended spring — Snappy & bouncy |
| Total Travel | Often shortened to 3.5 – 3.8 mm | 4.0 mm — Full, deep, and satisfying travel |
| Lubrication | Usually unlubed, needs manual work | Precision factory lubed — Flawless out of the box |
| Lifespan | ~ 50 Million Cycles | Up to 80 Million Cycles (80M) |
Technical Specifications
Hardcore data for enthusiasts.
🤫Dampening
Hard Silicone
💡RGB Guide
Honeycomb
🪶Force
40 gf
🛡️Lifespan
80M Cycles
| Product Name | Kailh x Ainbell Ocean Heart Silent Linear Switch |
|---|---|
| Switch Type | Silent Linear Mechanical Switch |
| Silencing Solution | Hard Silicone Dampening Rings (Eliminates mushiness, retains crisp feedback) |
| Light Guide Tech | Kailh Exclusive "Honeycomb Light Guide" (+40% Brightness) |
| Housing Material | Full High-Transparency PC / Polycarbonate (Top & Base) |
| Stem Material | Ice-Blue POM |
| Actuation Force | 40 gf (Lightweight feel) |
| Bottom-Out Force | 45 gf |
| Pre-Travel (Actuation) | 1.7 mm |
| Total Travel | 4.0 mm (Full, deep travel) |
| Spring Specs | 20 mm Silver-Plated Extended Spring (Anti-oxidation, bouncy rebound) |
| Lubrication | Premium Factory Pre-lubed (Rails, Spring) |
| Pin Configuration | 5-Pin (Supports hot-swap PCBs; simply clip the 2 plastic pins to fit 3-pin boards) |
| Lifespan | 80,000,000 Keystrokes |
| LED Compatibility | Perfectly supports SMD & through-hole LEDs, industry-leading light diffusion |
Customer Reviews
★★★★★
"Finally, a silent switch that isn't mushy!"
"The hard silicone dampeners are an absolute game-changer. The sound is incredibly quiet, but the bottom-out is surprisingly crisp with absolutely no 'stepping on a sponge' feeling. The 'snow-stepping' description is incredibly accurate. Flawless typing feel."
— @SilentTyper, Custom Keeb Hobbyist
★★★★★
"The Honeycomb Light Guide is RGB magic."
"The high-clear PC combined with that honeycomb column literally magnified my keyboard's RGB. The light is so even and beautiful without blinding hotspots. The ice-blue stem peeking through clear keycaps is pure aesthetics."
— @KeyboardEnthusiast, Desk Setup Guru
★★★★★
"40g + Long Spring = Typing Nirvana."
"I write code all day. The 40g force is the perfect sweet spot—zero resistance when typing fast—and the 20mm long spring makes the rebound extremely snappy. The factory lube is top-tier. Quiet and insanely comfortable for the office."
— @OfficeDev, Full-Stack Engineer
Premium Quality, Worry-Free Support
Free Shipping Over $80
Global stock, dispatched within 24 hours.30-Day Returns & Compatibility
Perfectly compatible with MX-style 5-pin/3-pin hot-swap boards. Zero risk to try!1-Year Official Warranty
Tested for 80 million cycles. Industrial-grade lifespan guarantees rock-solid quality.Frequently Asked Questions
Ordinary silent switches use softer TPE or standard rubber pads, which deform severely upon bottoming out, creating a vague, mushy "stepping in mud" sensation. The Ocean Heart utilizes high-cost, customized "Hard Silicone" that absorbs high-frequency noise while maintaining bottom-out rigidity. This provides near-silent operation alongside a crisp, satisfying tactile feedback—much like walking on fresh, crisp snow.
Standard transparent housings let light through but often create harsh, blinding hotspots. The Honeycomb Light Guide features a special internal optical structure that refracts and diffuses the direct LED light from multiple angles. The result is a 40% increase in overall brightness and a beautifully even, soft halo across the entire base of the keycap, eliminating harsh glare.
No. The Ocean Heart switches are precision-lubricated at the factory on high-friction points like the stem rails and springs using Kailh's professional automated equipment. They offer an ultimately smooth linear feel with zero spring ping right out of the box, ready to be installed immediately.
Yes, highly suitable. 40gf is an extremely popular "lightweight" force that drastically reduces finger fatigue. Paired with the snappy rebound of the 20mm silver-plated spring and a slightly faster 1.7mm actuation, it allows you to maintain rapid combo speeds and incredibly responsive inputs during long competitive gaming sessions.
Yes, you can! The two extra plastic positioning pins on the bottom of the 5-pin switch are designed to provide better stability on plateless PCBs. If your keyboard PCB only supports 3 pins (like many mass-produced boards), simply use a nail clipper or flush cutters to snip off the two small plastic side pins. It will fit perfectly without affecting the switch's function or warranty.