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Green PCB riser card with white 16x slot, 20cm ribbon cable and Molex power connector

SHENZHEN CHENYANG DIGITAL TECH. CO,. LTD

SHENZHEN CHENYANG DIGITAL TECH. CO,. LTD PCI-E 16X to 16x Riser Extender Card 20cm EP-074

SKU CH-27A9-AZ7XP

A 20 cm PCIe 16x riser with flexible ribbon cable and Molex power lets you mount a graphics card in tight 1U to 3U chassis at 1x speed

  • Product typeController Card
  • Extends graphics cards 20 cm from motherboard
  • Molex power connector feeds 12 V directly to GPU
  • Flexible ribbon cable fits 1U, 2U, 3U chassis
  • Single-layer PCB design keeps signal path short
  • Accepts x1, x4, x8, x16 cards at x1 speed

PCI-E 16X Riser with Molex Power

This PCI-E 16X to 16x riser extender card lets builders mount a graphics card away from the motherboard using a 20 cm ribbon cable. A Molex connector supplies extra 12 V power directly to the card. It fits 1U, 2U and 3U chassis where vertical clearance is tight. The board uses a multi-layer PCB design for signal integrity.

Electrical Limit and Chassis Fit

The slot accepts PCIe x1, x4, x8 and x16 cards but operates at x1 electrical speed only. Bandwidth-intensive GPUs will be bottlenecked by this limit. The flexible high-speed FFC cable allows routing in compact rack-mount cases. Extra Molex power helps stability when the motherboard slot cannot deliver enough current.

Upgrade Path and Constraints

This riser replaces a direct motherboard-to-GPU connection when physical space prevents standard installation. The jump is worth it only if the workload tolerates x1 bandwidth or if the card is used for compute, display output or mining rather than gaming. Builders needing full x16 throughput must choose a different solution.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $5.99
Cheaper than about 97% of the 891 comparable items (median $30.99).

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Specifications

Product
Product typeController Card

Questions about this item

Will the 20 cm ribbon cable reach a graphics card in my older ATX tower?

The 20 cm ribbon cable is designed for 1U, 2U and 3U chassis, so it may be too short for a full-size ATX tower.

How can I confirm the riser is delivering power to my GPU after installation?

The extra Molex 12 V / GND connector supplies auxiliary power; if the card’s fans spin and the system posts, the riser is working.

Does the EP-074 package include a Molex-to-PCIe adapter or must I buy one separately?

The riser has a built-in Molex 12 V / GND socket, so you only need a standard Molex lead from your PSU — no separate adapter is required.

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