PCIe 5.0 X16 Graphics Card Extension Cable – VTC-APEBB003HB27-K2
The VITALCONN VTC-APEBB003HB27-K2 is a PCIe 5.0 x16 graphics card extension cable with full 16-lane bandwidth at 32 GT/s per lane. Built with 30 AWG high-frequency copper twin-axial conductors, 85 ohm controlled impedance, and multi-layer shielding. Backward compatible with PCIe 4.0/3.0. Ideal for GPU vertical mounting, multi-GPU workstations, AI servers, and open test platforms.
| Product Type | PCIe 5.0 x16 Graphics Card Extension Cable |
|---|---|
| Protocol | PCIe 5.0 (backward compatible 4.0/3.0) |
| Data Rate | 32 GT/s per lane |
| Channel Count | x16 (16 lanes, no bifurcation) |
| Input Connector | 1x PCIe x16 male edge-card (CEM key) |
| Output Connector | 1x PCIe x16 male edge-card (CEM key) |
| Conductor | 30 AWG high-frequency copper, twin-axial |
| Differential Impedance | 85±5Ω |
| Rated Voltage | 30V |
| Shielding | Per-pair Al-Mylar foil + overall braid |
| Cable Length | OEM custom (0.3-1.0 m typical) |
| Locking | Latch + optional retaining screws |
| Compliance | RoHS 2.0, China RoHS, REACH SVHC |
The PCIe 5.0 x16 graphics card extension cable VTC-APEBB003HB27-K2 from 바이탈콘 relocates a graphics card away from the motherboard slot while keeping the full 16-lane PCIe 5.0 link intact. Both ends of the cable terminate to standard PCIe x16 male edge-card connectors with PCI-SIG CEM keying, so one end plugs directly into the motherboard x16 slot and the other receives the gold fingers of the graphics card. With 32 GT/s signaling per lane, the cable delivers up to 64 GB/s of unidirectional bandwidth (128 GB/s bidirectional) — enough headroom for the latest NVIDIA RTX and AMD Radeon GPUs as well as AI inference and FPGA accelerator cards.
Signal integrity is engineered for fifth-generation PCI Express. The PCIe 5.0 x16 graphics card extension cable uses 30 AWG high-frequency copper twin-axial conductors with differential impedance controlled to 85 ± 5 Ω, minimizing reflections and preserving eye-diagram margin over 0.3 m to 1.0 m runs. Multi-layer shielding (aluminum-Mylar foil plus tinned-copper braid) protects each differential pair from the dense EMI environment inside server chassis and mining frames, while positive-locking latches and optional retaining screws keep the connection secure in high-vibration 24/7 installations.
The cable is fully backward compatible with PCIe 4.0 (16 GT/s) and PCIe 3.0 (8 GT/s) devices, so it can be deployed in mixed-generation fleets without link downgrade. As part of the VITALCONN High Speed Cable family, it is manufactured under ISO 9000-certified processes with OEM custom lengths available on request.
PCIe 5.0 X16 Graphics Card Extension Cable Specifications
- Part Number: VTC-APEBB003HB27-K2
- Product Type: PCIe 5.0 x16 Graphics Card Extension Cable
- Connectors: PCIe x16 male edge-card plug on both ends (PCIe CEM compliant keying)
- Channel Count: 16 lanes (full x16, no bifurcation)
- Protocol Support: PCIe 5.0 (backward compatible with PCIe 4.0 / 3.0)
- Data Rate: 32 GT/s per lane
- Bandwidth: up to 64 GB/s unidirectional (128 GB/s bidirectional)
- Conductor: 30 AWG high-frequency copper, twin-axial
- Differential Impedance: 85 ± 5 Ω
- Rated Voltage: 30 V
- Shielding: aluminum-Mylar foil per pair + overall tinned-copper braid
- Cable Length: OEM custom (typical 0.3 m to 1.0 m)
- Locking: latch + optional retaining screw holes
- Compliance: RoHS 2.0, China RoHS, REACH SVHC
Key Features
- Full PCIe 5.0 bandwidth: 32 GT/s per lane across all 16 lanes matches the bandwidth needs of modern graphics cards and compute accelerators without link renegotiation.
- Backward compatibility: works seamlessly with PCIe 4.0 and PCIe 3.0 graphics cards and motherboards, protecting existing platform investments.
- Precision impedance control: 85 ± 5 Ω differential impedance, strictly following the PCI-SIG specification, reduces signal reflection and preserves eye-diagram margin.
- High-frequency copper conductor: premium high-frequency copper minimizes attenuation at 32 GT/s for stable long-distance transmission.
- Multi-layer EMI shielding: aluminum-Mylar foil plus braided shield blocks interference from power supplies, fans, and neighboring cables.
- Robust retention: connector latches and optional locking screws keep the PCIe 5.0 x16 graphics card extension cable mated in high-vibration edge-computing and industrial environments.
- Flexible routing options: straight and 90-degree exit versions plus custom lengths from 0.3 m to 1.0 m adapt to any chassis layout.
- Broad device compatibility: designed for graphics cards and compatible with AI inference cards, FPGA accelerators, and video capture cards in x16 form factor.
Packing Details
- Individual anti-static bag per cable
- Inner carton with foam cushioning, 20 pcs per inner carton
- Export-grade outer carton, 4 inner cartons per master
- Each label carries part number VTC-APEBB003HB27-K2, quantity, and RoHS marking
- OEM / ODM packaging and labeling available on request
PCIe 5.0 X16 Graphics Card Extension Cable Applications
- AI training and inference servers: in 4U or tower servers, extend GPUs from motherboard slots onto dedicated air- or liquid-cooled modules to avoid heat stacking.
- GPU cluster platforms: separate graphics cards from the motherboard on open frames for better airflow, easier cable management, and higher density.
- High-performance workstations: enable vertical GPU mounting and compact or unconventional chassis designs while keeping full x16 bandwidth.
- Edge computing devices: mount accelerator cards on vibration-damped chassis structure and connect them to the core board through short extension cables.
- Test and development platforms: bring boards out to the bench so engineers can attach oscilloscopes and logic analyzers during debug.
Frequently Asked Questions
Q1: Does this PCIe 5.0 x16 graphics card extension cable reduce GPU bandwidth?
A1: No. The cable carries all 16 lanes at the full PCIe 5.0 rate of 32 GT/s per lane thanks to 85 Ω twin-axial construction, so the link trains at x16 Gen5 exactly as a direct slot connection would.
Q2: Can I use it with a PCIe 4.0 graphics card?
A2: Yes. The cable is fully backward compatible with PCIe 4.0 and PCIe 3.0 devices and will train at the highest mutually supported speed.
Q3: What is the VTC-…-K2 part number convention?
A3: VTC is the VITALCONN product prefix and K2 is the suffix assigned to this ODM cable platform. VTC-APEBB003HB27-K2 designates the exact PCIe 5.0 x16 graphics card extension cable configuration — quote this number for fast pricing and samples.
Q4: Are custom lengths available?
A4: Yes. Standard lengths ship from stock, and OEM custom lengths from 0.3 m to 1.0 m are produced to order with typical lead times of 2-4 weeks.
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