Monoprice
Monoprice 141231 12Gbps SDI BNC Cable 1.5ft
UHD
Ensure High-Quality Video Transmission with Monoprice Viper Series SDI Cable The Monoprice Viper Series 12G SDI Cable delivers unparalleled performance for transmitting UHD-SDI video signals. Built for reliability and high bandwidth, this cable is ideal for studio, mobile, and home applications....
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Overview
Ensure High-Quality Video Transmission with Monoprice Viper Series SDI Cable
The Monoprice Viper Series 12G SDI Cable delivers unparalleled performance for transmitting UHD-SDI video signals. Built for reliability and high bandwidth, this cable is ideal for studio, mobile, and home applications. Its robust construction ensures optimal signal integrity for resolutions up to 4K @ 60Hz.
- Cable Length: 1.5 Feet
- Color: Black
- Bandwidth: 12Gbps
- AWG: 16 AWG
- Shielding: Dual Copper and Aluminum Shielding
- Connectors: BNC-terminated, 75-ohm with Gold-Plated Contacts
Key Features
Transfers UHD-SDI video signals over RG-12 digital video coaxial cable.
Connector A and B: True 75-ohm BNC male connectors with gold-plated contacts.
Dual copper and aluminum shielding.
Solid annealed copper 16 AWG center conductor.
12 Gbps bandwidth. 75-ohm nominal impedance.
Specifications
Cable Type
SDI BNC Coaxial
Bandwidth
12 Gbps
Length
1.5 ft
Conductor Material
Solid annealed copper
Conductor Gauge
16 AWG
Shielding
Dual copper and aluminum
Connector Type
True 75-ohm BNC male
Connector Plating
Gold-plated
Nominal Impedance
75-ohm
Signal Support
UHD-SDI video
Pros & Cons
👍 Pros
- 12Gbps bandwidth supports single-link 4K@60Hz SDI transmission, eliminating the need for quad-link configurations at UHD frame rates.
- True 75-ohm BNC connectors maintain impedance matching through the termination point — not just the cable jacket — which is essential for clean signal at high bit rates.
- Gold-plated contacts resist oxidation through repeated patch bay connect/disconnect cycles, maintaining reliable contact resistance over years of use.
- Dual copper and aluminum shielding suppresses EMI from adjacent power and signal cables in dense rack environments.
- 16 AWG solid annealed copper center conductor minimizes resistive losses at the short lengths where patch cables operate.
👎 Cons
- 1.5-foot length is purpose-specific — it's a patch cable only, not suitable for routing between rack bays or across a studio floor.
- RG-12 coaxial cable is stiffer than thinner SDI variants, which can create bend-radius issues when routing in tightly packed rack enclosures.
- No locking BNC variant — in high-vibration environments or mobile productions, standard quarter-turn BNC connectors can work loose without additional retention.
Frequently Asked Questions
What video formats does 12Gbps SDI bandwidth actually support?
12G-SDI carries a single-link UHD signal up to 4K (3840×2160) at 60 frames per second, or 4096×2160 at 48fps in DCI 4K. That's the key advancement over 3G-SDI, which requires four-link configurations to hit the same resolution and frame rate. This cable handles it in a single cable run.
Is 1.5 feet a useful length, or do I need longer runs?
1.5 feet is a patch cable length — it's purpose-built for short connections at a rack, router, or distribution amplifier, not for running between rooms. For equipment directly adjacent to each other or installed in the same rack bay, 1.5 feet eliminates the excess cable that creates cable management problems. For any run beyond a single rack unit or two, you'll want a longer cable.
Does the 75-ohm impedance on this cable matter if my gear is also rated at 75 ohms?
Yes, and it matters precisely because they match. SDI is an impedance-controlled standard — mismatches between cable and termination create signal reflections that corrupt video at high bit rates. The true 75-ohm BNC connectors on this cable ensure the transmission line is matched end-to-end, which is critical at 12Gbps where even minor impedance discontinuities can cause visible artifacts.
What does the dual copper and aluminum shielding provide over single-layer shielding?
The aluminum foil layer provides near-100% coverage against high-frequency interference, while the copper braid adds structural shielding and handles lower-frequency noise. Together they suppress EMI from nearby power cables, switching supplies, and RF sources — important in packed rack environments where cables run parallel to power wiring.
Are the BNC connectors on this cable tool-free to connect?
Standard BNC connectors require a quarter-turn to lock — no tools, but you do need to seat them properly. The gold-plated contacts on this cable improve corrosion resistance over bare copper, which matters in patch bays that see frequent connect/disconnect cycles.
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