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Green circuit board with two long PCIe x16 slots and one shorter PCI slot

iStarUSA Inc.

iStarUSA Inc. DD-643661 2 PCIe x16 1 PCI Riser Card server accessory

SKU CH-S86Y-Z7T41 MPN DD-643661

Adds two PCIe x16 and one PCI slot via motherboard positions 6, 4 and 3

  • Product typeRiser Card
  • Details2 PCIe x16 and 1 PCI Riser Card MB Slot Position: 6,4, and 3
  • Adds two PCIe x16 slots for high-speed expansion cards
  • Includes one legacy PCI slot for older peripherals
  • Mounts across motherboard slots six, four and three
  • Compact riser design fits space-constrained server chassis
  • New condition ensures full manufacturer specification compliance

Server Riser Card

The iStarUSA DD-643661 is a riser card that provides two PCIe x16 slots and one PCI slot for server expansion. It installs into motherboard slot positions 6, 4, and 3 to add connectivity for add-in cards. This accessory is built for rackmount or tower chassis that support the specified slot layout. The component is supplied new and ready for integration.

Expansion for Legacy and Modern Cards

This riser suits administrators who need to run contemporary PCIe x16 devices alongside older PCI hardware in the same system. It works when the host board exposes the required slot positions and the chassis has matching bracket openings. Builders whose motherboards use a different slot arrangement or who lack physical space for the riser should look at other options.

Slot Position Compatibility

The single specification that determines fit is the motherboard slot position requirement of 6, 4, and 3 for the three connectors. If the target board does not present these exact positions, the riser cannot be installed. No other specification overrides this mechanical constraint.

How it compares

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

Price $88.99
Pricier than about 57% of the 1,119 comparable items (median $74.99).

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Specifications

Product
Brand nameiStarUSA
Model nameDD-643661
Product typeRiser Card
Size & build
Shipping weight0.18 kg
Package size198 × 155 × 46 mm

Questions about this item

How do I verify the DD-643661 riser card is functioning correctly after installation?

Install the card into motherboard slots 6, 4 and 3, then confirm the operating system detects both PCIe x16 and the PCI slots in device manager without errors.

What comes in the box with the DD-643661 and what must be purchased separately?

The package contains the riser card only; PCIe x16 and PCI expansion cards are sold separately and must match your server workload requirements.

Which version of the DD-643661 should I choose for my server build?

Only one model exists — DD-643661 — providing two PCIe x16 slots and one PCI slot across motherboard positions 6, 4 and 3.

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