STARTECH
STARTECH PEX2PCIE4L PCI Express riser card 2×PCI 32-bit/33 MHz 2×PCIe x1
Adds two 32-bit PCI slots at 33 MHz and two PCI Express x1 slots via a single host connection
- TypeRiser Card
- SpecificationsExpansion Slots:2 x PCI 32-bit/33 MHz Full-height 2 x PCI Ex
- FeaturesHost Interface: PCI ExpressNumber of Total Expansion Slots:
- Weight20
- Adds two legacy PCI slots for older expansion cards
- Adds two PCI Express x1 slots for modern peripherals
- Single PCI Express host connection simplifies installation
- RoHS compliant construction meets environmental standards
- Low-profile design fits compact desktop or laptop chassis
PCI Express Riser Card
The StarTech PEX2PCIE4L is a riser card that adds four expansion slots through a single PCI Express host interface. It provides two 32-bit PCI slots running at 33 MHz and two PCI Express x1 slots in a full-height form factor. This card suits technicians who need to install legacy PCI cards alongside modern PCIe devices in one system. Builders requiring more than four additional slots should look elsewhere.
Host Interface Limits
The card connects through a standard PCI Express host link, so total throughput is shared across all four slots. Each 32-bit PCI slot operates at 33 MHz, while each PCIe x1 slot uses a single lane. Bandwidth-intensive cards may not reach full speed when multiple slots are active simultaneously. Users needing dedicated bandwidth per slot cannot achieve it with this shared topology.
Four-Slot Capacity
The deciding specification is the total of four expansion slots: two PCI and two PCI Express x1. This fixed count determines whether the card matches the number of add-in boards you plan to install. If your build requires a different mix or a higher slot count, this riser will not fit the requirement.
Points forts
- Adds two legacy PCI slots for older expansion cards
- Adds two PCI Express x1 slots for modern peripherals
- Single PCI Express host connection simplifies installation
- RoHS compliant construction meets environmental standards
- Low-profile design fits compact desktop or laptop chassis
Caractéristiques
| Brand | StarTech.com |
|---|---|
| Model | PEX2PCIE4L |
| Type | Riser Card |
| Specifications | Expansion Slots:2 x PCI 32-bit/33 MHz Full-height 2 x PCI Express x1 Host Interface:PCI Express |
| Features | Host Interface: PCI ExpressNumber of Total Expansion Slots: 4Expansion Slot Type: PCI Full-height,PCI Express x1Weight (Approximate): 4 kgGreen Compliant: YesGreen Compliance Certificate/Authority: RoHSLimited Warranty: 2 Year |
| Weight | 20 |
| Poids d’expédition | 4.54 kg |
| Dimensions du colis | 457 × 406 × 356 mm |
Questions sur cet article
Should I choose the two 32-bit/33 MHz PCI slots or the two PCIe x1 slots for my expansion cards?
Match each card to its native slot type: legacy PCI cards go in the two 32-bit/33 MHz full-height slots, while modern single-lane PCIe cards use the two PCIe x1 slots.
What does the PCIe host interface actually deliver once the riser is installed in my system?
The host PCIe link carries all traffic for the four downstream slots, so total bandwidth is shared across any active cards in both the PCI and PCIe x1 connectors.
Does the PCIe host interface limit the speed of the two PCI slots to x1 throughput?
Yes, the PCI slots operate at 32-bit/33 MHz while the host link is a single PCIe lane, so neither slot type can exceed that lane's bandwidth.
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