SYBA MULTIMEDIA Southbridge Max PCIe 4.0 x4 Multi-Function Card

Name: SYBA MULTIMEDIA Southbridge Max PCIe 4.0 x4 Multi-Function Card
Brand: SYBA MULTIMEDIA
SKU: SY-PEX50133
Price: 122.56 USD
Availability: BackOrder

SYBA MULTIMEDIA|

MPN: SY-PEX50133

UPC: 850039353611

Available on Backorder

$122.56$159.99

Available on backorder — ships as soon as stock arrives

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Key Features

PCIe 4.0 x4 host interface
No motherboard bifurcation requirement
Multi-function add-in-card architecture
Connects through a PCIe 4.0 x4 host interface for desktop expansion.
Avoids a motherboard PCIe lane-bifurcation requirement.

Expand a desktop system through a PCIe 4.0 x4 host connection without depending on motherboard lane bifurcation. This Southbridge Max multi-function card provides an add-in-card path for systems where the available PCIe slot supplies four PCIe 4.0 lanes but the motherboard firmware or platform configuration does not offer bifurcation controls. Motherboard bifurcation normally divides PCIe lanes from a host slot among downstream devices. SYBA MULTIMEDIA SY-PEX50133 is intended for installations that need to avoid that host-side requirement. That distinction matters when fitting the card into workstations, desktop towers, or purpose-built systems whose expansion topology is fixed and where changing motherboard settings is not an option. Confirm that the target system has an available PCIe 4.0 x4-capable expansion slot and sufficient physical clearance for the add-in card. The card’s PCIe 4.0 x4 interface defines its connection to the host, while its no-bifurcation design separates deployment from a motherboard feature that is not universally available. It is suited to technical teams selecting an expansion card around host-slot capability rather than around motherboard lane-splitting support.

Ideal For

Desktop workstation expansion where the available slot provides PCIe 4.0 x4 connectivity.
Fixed-platform systems whose motherboard firmware does not expose PCIe bifurcation settings.
Technical desktop builds requiring an add-in card that does not depend on host lane splitting.

Why This Product

1Uses a PCIe 4.0 x4 host connection.
2Does not depend on motherboard PCIe lane bifurcation.
3Combines multiple functions in one PCIe add-in card.

Shipping

Shipping Weight

0.75 lb

Configuration

Card Function	Multi-function card
Motherboard Bifurcation	No motherboard bifurcation required

Host Interface

Host Link Width	PCIe x4
PCI Express Generation	PCIe 4.0

Identification

UPC	850039353611

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Frequently Asked Questions

What is the difference between SOUTHBRIDGE MAX and SY-PEX50133?▾

SOUTHBRIDGE MAX is the product designation, while SY-PEX50133 is the specific SYBA MULTIMEDIA ordering code. Both names refer to the same PCIe 4.0 x4 multi-function expansion card and can be used when matching the card to technical documentation or an existing system requirement.

Does SY-PEX50133 require motherboard PCIe bifurcation?▾

No. SY-PEX50133 is specified to operate without motherboard PCIe bifurcation. This makes it relevant for desktop platforms where PCIe lane-splitting options are unavailable in firmware or where the system configuration cannot be changed to enable bifurcation.

What host interface does the Southbridge Max card use?▾

The card uses a PCIe 4.0 x4 host interface. Verify that the target desktop system has an available compatible PCIe expansion slot and that the chassis provides sufficient space for the physical add-in card before installation.

What role does the Southbridge Max card serve in a desktop system?▾

It provides multi-function expansion through a PCIe add-in card. Its defining deployment characteristic is that it uses a PCIe 4.0 x4 connection while avoiding reliance on motherboard PCIe bifurcation, which can simplify fitment on fixed desktop platforms.