Sinomax’s current lineup leans into support-forward builds, spanning all-foam and pocketed-coil hybrids. I focused on support, cooling, pressure relief, motion isolation, responsiveness, edge support, and durability over everyday use (sleeping, reading in bed, and morning edge-sitting). The best options kept my hips level and made turning feel effortless, while the weakest option showed clear limits for heavier bodies and frequent edge use.
Product overview
| Mattress | Overall Score | Pros | Cons | Ideal For | Price |
|---|---|---|---|---|---|
| CEOx ULTRA Mattress | 4.3/5.0 | Excellent motion isolation; stable lumbar feel | Slower foam response than hybrids | Back/side sleepers who want firm stability | - |
| Hybrid 100 Pro Mattress | 4.2/5.0 | Strong edge stability; easy turning | Pressure relief can feel tight for lighter side sleepers | Heavier bodies and combo sleepers who prefer firm | - |
| Hybrid 200 Pro Mattress | 4.3/5.0 | Best balance of cushion and support; very “neutral” feel | Still not plush enough for strict soft-mattress fans | Most sleepers wanting medium-firm hybrid balance | - |
| SILVER ION ENPOWER Cube Mattress | 3.9/5.0 | Great motion isolation; tidy, supportive surface feel | Thin profile limits deep support for heavier sleepers | Guest-room use and average-weight sleepers | - |
Testing team takeaways
Across the four, we agreed Sinomax’s strengths show up in stable midsection support and clear, “no-wobble” surfaces. CEOx ULTRA felt the quietest and most isolating. Hybrid 100 Pro impressed Marcus with edge support but felt too firm for Mia’s shoulders. Hybrid 200 Pro was the team’s most universally comfortable pick. The ENPOWER Cube was neat and controlled for motion, but Carlos flagged earlier alignment fatigue for bigger bodies and longer nights.
Sinomax mattress comparison chart
| Category | CEOx ULTRA Mattress | Hybrid 100 Pro Mattress | Hybrid 200 Pro Mattress | SILVER ION ENPOWER Cube Mattress |
|---|---|---|---|---|
| Type | All-foam | Hybrid (dual pocket springs + foam) | Hybrid (dual pocket springs + foam) | All-foam |
| Firmness | Firm | Firm | Medium firm | Medium firm |
| Thickness | 10 in | 9 in | 11 in | 8 in |
| Notable materials | AIRTECH + X-FOAM + Pillar/Matrix foams | Ultra-CLOUD + X-FOAM + dual pocket-spring layers | Ultra-CLOUD + X-FOAM + latex-feel foam + dual pocket-spring layers | Silver-ion inner cover + X-FOAM + support foam |
| Cooling (in use) | Coolest among the foams | Better than most foams; not “cold” | Best all-around temperature balance | Warmest of the four in longer sessions |
| Support | Excellent | Excellent | Excellent | Good |
| Pressure relief | Very good | Good | Very good | Good |
| Responsiveness | Moderate | High | High | Moderate |
| Motion isolation | Excellent | Very good | Very good | Excellent |
| Edge support | Good | Excellent | Excellent | Fair |
| Durability (impression) | Very good | Very good | Very good | Good |
How we tested it
I rotated these mattresses through the same bedroom setup and tracked consistent metrics: Support, Cooling, Pressure Relief, Motion Isolation, Responsiveness, Edge Support, and Durability. We used repeated-position sleep nights (back/side), edge-sit routines (shoes on/off), and slow-roll turning tests to spot “stuck” foam and rebound. Cooling was judged by heat buildup over the first hour and how quickly the surface recovered after leaving the bed. Scores below reflect the same metrics for every model.
Sinomax: our testing experience
CEOx ULTRA Mattress
Our testing experience
The first thing I noticed was how “quiet” the surface felt—when I shifted from back to side, the top layers moved with me without the springy feedback you get from coils. After a long desk day, I paid attention to whether my hips sank and pulled my lower back into a tight arch; instead, I felt my midsection stay level, especially when I read on my back with a laptop. Marcus liked how stable the middle stayed, but he still wanted a sharper, more reinforced edge when he sat to tie his shoes. Mia was comfortable side-sleeping longer than she expected on a firm build, because the surface had enough give to keep her shoulder from feeling pinned.
What we liked
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Deep motion isolation that stayed calm through position changes
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Firm, steady midsection feel that kept hips from drifting
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A more breathable “foam-on-foam” feel than typical dense memory foam
Who it is best for
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Back/side sleepers who want a firm mattress that still contours
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People who read in bed and want a stable, quiet surface
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Light-to-average sleepers who dislike bouncy beds
Where it falls short
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Combination sleepers who want fast, springy rebound
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Frequent edge sitters who demand a very stiff perimeter
Pros & cons
| Pros | Cons |
|---|---|
| Excellent motion isolation | Less bounce than hybrids |
| Firm lumbar stability | Edge support is solid, not standout |
| Smooth contour without “hammock” feel | Slower repositioning than coil models |
Details
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Firmness: Firm
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Thickness: 10 in
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Type: All-foam
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Layer highlights (as listed): AIRTECH foam, X-FOAM, Pillar Foam, Matrix Foam
Review score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.5 | Hips stayed level on my back; no saggy “pooling.” |
| Cooling | 4.2 | Less heat trap than I expected for an all-foam build. |
| Pressure Relief | 4.3 | Enough surface give for side sleeping without shoulder bite. |
| Motion Isolation | 4.8 | The calmest mattress here when someone shifts or gets up. |
| Responsiveness | 3.8 | Comfortable, but you feel the foam’s slower return. |
| Edge Support | 3.9 | Fine for sleeping near the edge; just not “bench-like.” |
| Durability | 4.4 | Layers felt dense and stable week-to-week, not “loosening.” |
| Overall Score | 4.3 | Best if you want quiet firmness with real contour. |
Hybrid 100 Pro Mattress
Our testing experience
This one felt immediately “upright.” When I sat on the edge, the perimeter didn’t collapse the way softer hybrids can, and Marcus called it out as the most confidence-inspiring edge of the set. The tradeoff showed up at night: on my side, I felt more “on top” than “in,” which helped my hips stay aligned but could make the shoulder feel a touch high until I found the right pillow height. Carlos liked how predictably the bed pushed back as he rolled slowly—no sudden drop from comfort layer into the spring unit. Mia was the toughest grader here; she could do it, but she didn’t want it as a daily driver for long side-sleep stretches.
What we liked
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Strong edge stability and easy turning
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Firm support that resists that saggy, “hammock” sensation
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Controlled motion transfer for a spring-based build
Who it is best for
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Heavier sleepers who need the hips held up
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Combo sleepers who rotate positions often
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People who prioritize edge support and bounce
Where it falls short
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Lightweight side sleepers with sensitive shoulders
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Anyone chasing a plush, sink-in surface
Pros & cons
| Pros | Cons |
|---|---|
| Excellent edge support feel | Can feel too firm for light side sleepers |
| High responsiveness for easy turning | Less “hug” than foam-forward beds |
| Very stable midsection | Pressure relief is good, not plush |
Details
- Firmness: Firm
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Thickness: 9 in
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Type: Hybrid (dual pocket-spring layers + foam)
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Layer highlights (as listed): Ultra-CLOUD layers, X-FOAM, Ultra-MINI pocket springs, Ultra-SPRING pocket springs, Foam Shield edge
Review score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.6 | Extremely steady under hips; great for my lower-back focus. |
| Cooling | 3.9 | Better airflow feel than foam-only, but not a “cool-touch” surface. |
| Pressure Relief | 3.8 | Firmness protects alignment, but shoulders can feel elevated. |
| Motion Isolation | 4.2 | Good for a hybrid; you still register bigger shifts. |
| Responsiveness | 4.5 | Turning felt immediate—no effort, no “stuck” foam. |
| Edge Support | 4.4 | The most sit-stable model we tried. |
| Durability | 4.3 | Structure felt tight and consistent after repeated nights. |
| Overall Score | 4.2 | A firm hybrid for sleepers who value stability over plushness. |
Hybrid 200 Pro Mattress
Our testing experience
This was the easiest mattress to recommend without qualifying statements. The surface felt medium-firm, but with a bit more cushion up top than the 100 Pro, so my shoulder settled in more naturally on side nights. Carlos kept coming back to how “even” it felt—his mid-back didn’t feel like it was floating higher than his hips, and transitions from foam to support felt smooth. Marcus appreciated that it didn’t soften into a hammock under his hips, and he still got the bounce he wants when rolling forward from side to stomach. For me, it was the best blend of lumbar steadiness and everyday comfort: supportive enough for back reading, forgiving enough for side sleep.
What we liked
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The best balance of cushion and support across body types
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Easy turning with a controlled, not-jittery rebound
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Strong edge feel without making the top uncomfortably hard
Who it is best for
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Most sleepers wanting medium-firm hybrid balance
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Couples who want bounce but still need motion control
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People who fluctuate between back and side sleeping
Where it falls short
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Those who want a truly plush, deep-sink surface
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People who strongly prefer all-foam “hug” feel
Pros & cons
| Pros | Cons |
|---|---|
| Most balanced feel overall | Not plush enough for soft-mattress fans |
| Strong support with better cushion than 100 Pro | Less motion isolation than all-foam |
| Easy turning without “springy wobble” | Thick profile may feel tall on low frames |
Details
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Firmness: Medium firm
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Thickness: 11 in
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Type: Hybrid (dual pocket-spring layers + foam)
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Layer highlights (as listed): Ultra-CLOUD layers, high-density latex-feel foam, X-FOAM, Ultra-MINI pocket springs, Ultra-SPRING pocket springs, Foam Shield edge
Review score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.5 | Consistently level hips; great neutral posture for me. |
| Cooling | 4.1 | Less heat buildup than the all-foam models in longer sessions. |
| Pressure Relief | 4.2 | Better shoulder/hip comfort than the firmer 100 Pro. |
| Motion Isolation | 4.1 | Still controlled, but not as silent as all-foam. |
| Responsiveness | 4.4 | Easy turning with a balanced rebound. |
| Edge Support | 4.4 | Confident edge for sitting and sleeping near the perimeter. |
| Durability | 4.3 | Held its feel well; no early softening sensation. |
| Overall Score | 4.3 | The most broadly comfortable option in this group. |
SILVER ION ENPOWER Cube Mattress
Our testing experience
The Cube felt tidy and controlled from the first night—more like a compact, disciplined all-foam mattress than a plush “sink” bed. I noticed the 8-inch profile most during edge sitting: it’s fine for short tasks, but it doesn’t give you that tall, reinforced “bench” feel. Carlos was the first to call out the core limitation: after longer nights, he wanted a bit more depth under the mid-back to keep everything perfectly level. Mia was mostly comfortable on her side, but she still preferred the deeper, more layered feel of the CEOx ULTRA. Marcus could sleep on it, but he treated it as a short-term or guest-room option because he likes a thicker build under his hips.
What we liked
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Very strong motion isolation for the price class
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Medium-firm surface that feels controlled and predictable
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Clean, straightforward feel with minimal wobble
Who it is best for
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Guest rooms and occasional-use beds
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Average-weight sleepers who want medium-firm foam
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Partners sensitive to movement
Where it falls short
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Heavier sleepers needing deeper support layers
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Frequent edge sitters and people who perch on the perimeter
Pros & cons
| Pros | Cons |
|---|---|
| Excellent motion isolation | Thin profile limits deep support for bigger bodies |
| Controlled, medium-firm feel | Edge support is the weakest of the four |
| Straightforward all-foam comfort | Less buoyant than hybrids |
Details
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Firmness: Medium firm
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Thickness: 8 in
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Type: All-foam
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Construction highlights (as listed): silver-ion inner cover; X-FOAM with silver-ion coating; support foam core
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Certifications/claims listed: SIAA ISO22196 antimicrobial certification and FDA safety approval (as stated)
Review score
| Metric | Score | Remarks |
|---|---|---|
| Support | 3.9 | Good for average-weight; less convincing for heavier hips. |
| Cooling | 3.7 | Fine at first, but held warmth longer than the hybrids. |
| Pressure Relief | 3.8 | Comfortable enough, but lacks the depth of thicker models. |
| Motion Isolation | 4.7 | Nearly as quiet as CEOx ULTRA during movement. |
| Responsiveness | 3.7 | Faster than dense memory foam, still not “spring quick.” |
| Edge Support | 3.5 | The perimeter compresses more during sitting and edge sleep. |
| Durability | 3.8 | Solid build, but thinner profile tends to show limits sooner. |
| Overall Score | 3.9 | Best as a compact foam option, not a heavy-duty daily bed. |
Compare performance scores of these mattresses
| Mattress | Overall Score | Support | Pressure Relief | Cooling | Motion Isolation | Durability | Responsiveness | Edge Support |
|---|---|---|---|---|---|---|---|---|
| CEOx ULTRA Mattress | 4.3 | 4.5 | 4.3 | 4.2 | 4.8 | 4.4 | 3.8 | 3.9 |
| Hybrid 100 Pro Mattress | 4.2 | 4.6 | 3.8 | 3.9 | 4.2 | 4.3 | 4.5 | 4.4 |
| Hybrid 200 Pro Mattress | 4.3 | 4.5 | 4.2 | 4.1 | 4.1 | 4.3 | 4.4 | 4.4 |
| SILVER ION ENPOWER Cube Mattress | 3.9 | 3.9 | 3.8 | 3.7 | 4.7 | 3.8 | 3.7 | 3.5 |
The most even performer is Hybrid 200 Pro: no obvious weak metric, and it stays balanced for a wide range of sleepers. CEOx ULTRA has the clearest single advantage—motion isolation—and it’s the calmest choice for easily disturbed partners. Hybrid 100 Pro’s edge support and responsiveness stand out, but its pressure relief is the main compromise. The ENPOWER Cube is strong on motion control, yet its thinner profile shows up in support and edge scores.
How to choose the Sinomax Mattress?
Start with your body weight and sleep position: heavier sleepers and combo sleepers should prioritize the hybrids for their easier turning and stronger edge behavior. If you mainly back sleep and want a quiet, firm surface, CEOx ULTRA is the safest bet. If you’re a side sleeper who still likes medium-firm support, Hybrid 200 Pro is the most forgiving. For guest-room use or lighter, occasional sleepers, the ENPOWER Cube is the most practical.
Limitations
Sinomax’s comfort skew is support-first; none of these feel like a plush, deep-sink pillow-top. If you’re a lightweight side sleeper with sensitive shoulders, the firm Hybrid 100 Pro can feel tight. If you sit on the edge daily (shoes, work calls, scrolling), the ENPOWER Cube’s perimeter is the least satisfying. If you want springy bounce, the all-foam CEOx ULTRA won’t feel as lively as either hybrid.
Sinomax Mattress vs. alternatives
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Why choose these models
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If you want a support-forward feel that keeps hips level, the hybrids deliver a very stable posture.
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If you’re sensitive to partner movement, the all-foam models keep the surface calmer than most coil beds.
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If you value edge behavior and easy turning, the hybrid builds feel more “effortless” night to night.
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Alternatives to consider
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Saatva Classic if you want a more traditional innerspring feel with strong support and white-glove delivery.
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Helix Midnight if you want a medium-feel hybrid tuned for pressure relief, especially for side-sleeping starts.
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TEMPUR-Cloud if you specifically want a classic slow-response memory-foam style from a legacy foam brand.
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Pro tips for Sinomax Mattress
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Give firm models a full week before judging shoulder comfort; pillow height often matters more than expected.
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If you’re a side sleeper on a firmer hybrid, try a thinner pillow to reduce neck tilt while the shoulder settles.
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Rotate the mattress on a schedule (head-to-foot) to keep wear patterns even, especially on thinner profiles.
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For edge-heavy routines (putting on shoes, nursing a laptop), use a sturdier bed frame and center support to reduce flex.
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If you sleep hot, keep bedding simple: breathable sheets and a lighter comforter do more than most “cooling” buzzwords.
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For partners with different weights, pick the more supportive model and tune comfort with a topper rather than buying too soft.
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If you feel lower-back tightness, test for “hip dip” by lying on your back and checking whether your hips sink lower than ribs.
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For hybrids, listen for noise after the first week; a stable foundation reduces squeaks more than any foam layer can.
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In guest rooms, prioritize motion isolation and simplicity; the ENPOWER Cube-style profile is easy to live with and maintain.
FAQs
Q: Which model is best for couples who wake easily?
A: CEOx ULTRA and ENPOWER Cube isolate motion the most, so small movements stay less noticeable.
Q: Which one is easiest to turn on?
A: The Hybrid 100 Pro and Hybrid 200 Pro feel the quickest and least “sticky” when changing positions.
Q: Which is most likely to feel too firm for side sleepers?
A: Hybrid 100 Pro is the firmest-feeling option for shoulders and outer hips in our lineup.
