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Green circuit board with gold edge connector and ribbon cable attached

iStarUSA Inc.

iStarUSA Inc. DD-631-CX PCIe x1 to PCI Riser Card server accessory

SKU CH-CZ33-DGEPD MPN DD-631-CX

PCIe x1 to PCI riser card with optional 9 cm or 13 cm shielded ribbon cable

  • Product typeRiser Card
  • DetailsRoHS Compliance Version: Yes Standard Drive Bays: None MB Sl
  • Key featuresOptional with cable length 9,13 cm selection
  • RoHS compliant design meets environmental standards
  • PCIe x1 to PCI conversion extends legacy card support
  • Optional 9cm or 13cm EMI shielded cable suits chassis layout
  • Riser card format enables flexible motherboard slot positioning
  • New condition ensures reliable server accessory performance

PCIe x1 to PCI Riser Card

The iStarUSA DD-631-CX is a riser card that converts a PCIe x1 slot into a standard PCI slot for server chassis. It is intended for administrators who must install legacy PCI expansion cards in modern server motherboards lacking native PCI connectors.

Verify cable length and slot clearance

Before ordering, confirm which of the two available ribbon cable lengths — 9 cm or 13 cm — reaches from the motherboard PCIe x1 slot to the target chassis opening. The mounting position of the riser bracket depends entirely on the chosen cable length, so measure the internal routing path to ensure the bracket aligns with a free rear slot.

EMI shielded ribbon cable

The bundled ribbon cable carries PCIe x1 signals to the PCI connector while providing electromagnetic interference shielding. Selecting the shorter or longer cable changes the physical placement of the PCI slot in the chassis, allowing the installer to match different server form factors without modifying the motherboard.

How it compares

Measured against everything we stock in Drive Cages & Server Add-Ons, at today’s prices. Recalculated every night.

Price $85.99
Pricier than about 55% of the 1,119 comparable items (median $74.99).

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameiStarUSA
Model nameDD-631-CX
Product typeRiser Card
Size & build
Shipping weight1.36 kg
Package size152 × 76 × 51 mm

Questions about this item

What cable lengths are available for the DD-631-CX riser card?

The riser card is offered with an EMI shielded ribbon cable in either a 9 cm or 13 cm length option.

Which cable length should I choose for my server chassis?

Select the 9 cm cable for tight 1U spaces or the 13 cm cable when the PCI slot sits further from the motherboard.

Does the riser card support full PCIe x1 bandwidth after installation?

Yes, the x1 edge connector passes a single PCIe lane through the shielded ribbon to the PCI slot without signal conversion.

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