Synergistic Research Atmosphere SX Ethernet CAT7
Best high-end network cable for audiophiles seeking ultimate sonic realism.
Experience music with a unique emotional connection and startling holographic realism with the Synergistic Research Atmosphere SX Ethernet cable. Designed for superior audio performance, it features proprietary UEF Graphene Shielding for an exceptionally low noise floor and a new conditioning process for unparalleled musical purity. The advanced shielding matrix and a new conductor alloy deliver enhanced high-frequency extension that remains musical and never fatiguing. This cable offers a lower noise floor, higher resolution, and a more musically satisfying listening experience compared to previous models, bringing you closer to the heart of the music.
$995.00
Owner Satisfaction
4.6
/ 5
Category Rank
1108
/ 6543
#1108 in Network Cables
Price vs Category Average
+178%
Above average
Conductors
8723
/ each UEF CAT , gauge solid copper
Who it's for
- Listeners desiring superior soundstage depth and musical coherence
- Audiophiles seeking absolute silence and improved micro-dynamics
- System builders prioritizing long-term signal integrity and premium construction
Who should skip it
- Budget-conscious buyers prioritizing value over ultra-high-end performance
- Skeptics requiring objective, measurable data to justify investments
- Casual streamers needing only standard, reliable network connectivity
Performance breakdown
Noise Floor Reduction
Proprietary graphene shielding creates an exceptionally silent background for digital audio.
High-Frequency Extension
Advanced conductor geometry delivers crisp detail without any harsh fatigue.
Build Precision
Hand-crimped connections and rigorous conditioning reflect meticulous American craftsmanship.
Signal Integrity
Quantum-tunneled ground plane technology ensures stable and accurate data transmission.
Sonic Realism
Holographic soundstage depth brings a lifelike presence to high-resolution streaming.
System Integration
UEF grounding options offer significant flexibility for advanced audiophile setups.
Key Specs
Conductors
8 each UEF CAT 7, 23 gauge solid copper
Dielectric
Solid Polyethylene
Maximum Frequency
500 MHz
Shielding
Silver Mylar - Quantum Tunneled Ground Plane Technology
Geometry
4 twisted pair
Build Notes
16 point-to-point hand crimped connections, Atmosphere SX UEF Graphene Shield, Quantum Treatment (1,000,000 volts), Secondary UEF Blue Treatment, UEF Ground Plane Termination
Hand build time
1.5 hours
Burn-in
5 day, 2 step process
Features
- Proprietary UEF Graphene Shielding for lowest noise floor
- New conditioning process for enhanced musical purity
- Advanced shielding matrix for superior high-frequency extension
- Lower noise floor and higher resolution
- Matrix Shielding with UEF elements
- Carbon Fibre UEF Tuning Discs
- UEF Ground Plane capability
- SRX Long Duration High Voltage Conditioning
What customers say
Audiophiles overwhelmingly praise the Atmosphere SX Ethernet cable for delivering transformative digital streaming quality. The core theme is enhanced clarity achieved by significantly lowering the noise floor, resulting in a blacker background. This reveals subtle musical details and micro-dynamics with greater resolution. Listeners frequently report a wider, deeper, and more realistic soundstage, lending an analog feel to recordings. The included tuning modules allow for valuable system customization. While the performance earns profound satisfaction from the target market, the extremely high price point remains the primary barrier to universal acclaim, impacting perceived value for many.
Know before you buy
While it meets CAT7 specifications, the Atmosphere SX is engineered specifically for high-end audio. It incorporates proprietary UEF Graphene Shielding, a specialized conditioning process, and a unique grounding architecture to significantly lower the noise floor compared to standard data cables.
These discs are part of Synergistic Research’s UEF technology, designed to interact with the cable's electromagnetic field. They help refine the signal transmission, contributing to the cable's signature holographic soundstage and high-frequency clarity.
Yes, the cable undergoes a rigorous 5-day, 2-step conditioning process at the factory. However, it will continue to settle and reach its full sonic potential after being integrated into your system for a short period of regular use.
While it is fully compatible with standard Ethernet networking standards, it is optimized for high-resolution audio streaming. Its design focuses on minimizing electrical noise and jitter to ensure the most accurate data delivery for sensitive digital-to-analog converters.
The UEF Ground Plane acts as a dedicated path to drain high-frequency noise away from the signal conductors. By reducing this interference, the cable allows for a cleaner, more transparent sound with improved resolution.
Yes, the cable utilizes standard RJ45 connectors, ensuring compatibility with all typical network switches, routers, and audio streamers. Each connection is hand-crimped to maintain the integrity of the signal path.
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