HOOCCC PCIe x16 to 4 x4 Port Bifurcation Expansion Card, PCIe 3.0 1-to-4 Splitter Riser, 20mm Spacing, SATA Power, Gold-Plated, for NVMe/SSD/GPU/Network Cards, BIOS Bifurcation Required

HOOCCC PCIe x16 to 4-Port PCIe x4 Bifurcation Expansion Card (P3A) PCIe 3.0, 20mm Spacing, SATA Power

Maximize your motherboards PCIe lane potential with the HOOCCC P3A 1-to-4 bifurcation card. Designed for workstations, AI/deep-learning setups, high-density storage arrays, and multi-accelerator builds, this riser converts a single PCIe x16 slot into four independent PCIe x4 channels (x4x4x4x4), letting you install up to four NVMe SSD adapters, single-slot GPUs, network cards, or other low-power PCIe devices simultaneously.

Key Features

1. True 1-to-4 PCIe Bifurcation: PCIe 3.0 x4 bandwidth per port. Requires motherboard BIOS support to set the x16 slot to x4x4x4x4 mode.
2. 20mm Slot Spacing: Provides improved airflow and clearance between cards, reducing thermal buildup in dense installations.
3. SATA 15-Pin Auxiliary Power: Two SATA power inputs on board; each supplies additional power (up to ~36W). The four-slot array shares a maximum of 75W. A single low-power card can often run without SATA power, but 12 SATA connections are recommended when installing two or more devices.
4. Gold-Plated Contacts & Premium Connectors: Thickened, electroplated gold fingers resist wear from repeated insertion and ensure stable signal integrity. Built with high-quality original connectors for precision fit and broad compatibility.
5. Stable Power Design: Onboard 100µF capacitors and LED power indicators help deliver clean, reliable power under load.
6. Compact Footprint: 122mm × 84mm (model P3A) fits standard ATX/mATX builds with standard-height slots.

Performance

In testing with Samsung PM9A1 256GB NVMe SSDs across all four ports, the card delivered approximately 3,570 MB/s sequential read and 2,685 MB/s sequential write speedsconfirming full PCIe 3.0 x4 saturation with consistent, low-latency throughput ideal for RAID, virtualization, and high-speed data applications.

Typical Use Cases

1. Multi-NVMe SSD expansion (RAID 0/1/5, ZFS, cache pools)
2. AI, machine learning, animation, and architectural design workstations
3. Multiple network interface cards (NICs), fiber cards, or capture cards
4. Riser/extension-cable setups for external or remote-mounted devices

Important Note

This card is not plug-and-play on all systems. Your CPU + motherboard must support PCIe slot bifurcation, and you must configure the target slot to x4x4x4x4 in BIOS/UEFI. Please verify compatibility before purchasing (commonly supported on HEDT, Xeon, Threadripper, and many workstation-class boards).

Package Includes

1. 1 × HOOCCC P3A PCIe x16 to 4x PCIe x4 Bifurcation Card

Add the HOOCCC P3A to your cart today to expand your systems connectivity without sacrificing PCIe 3.0 performance.