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Green circuit board with six black SATA ports and a PCIe x4 edge connector

RIITOP

RIITOP 6-Port SATA III 6 Gbps RAID Controller ASM1166 PCIe x4

SKU CH-YYYV-K4XPN

Adds six SATA III ports via a PCIe x4 slot using the ASM1166 chipset for broad OS support

Model 6 Ports

  • Add six SATA III 6 Gbps drives via PCI Express x4
  • ASM1166 chipset provides stable, broad compatibility
  • Backward compatible with SATA I and II at 1.5 and 3.0 Gbps
  • Works with Windows, Linux and Mac without extra drivers
  • Fits PCIe x4, x8 and x16 slots in most chassis

Six SATA III ports via PCIe x4

This RIITOP controller adds six 6 Gbps SATA III ports through a single PCI Express x4 slot using the ASMedia ASM1166 chipset. It is designed for builders who need to connect multiple hard drives or SSDs to a desktop, workstation or NAS platform. The card fits x4, x8 or x16 slots and operates with native AHCI support across Windows, Linux and macOS without extra drivers.

Suits storage expansion without hardware RAID

The board provides six AHCI ports and supports port-multiplier command-based switching, making it a good match for JBOD arrays, software RAID setups or simple drive multiplication. It cannot perform hardware RAID on its own; systems that need RAID must rely on the motherboard firmware or host-based software. Buyers who require a dedicated RAID processor or bootable hardware arrays should look at a different controller.

ASM1166 single-chip PCIe 3.0 x4 interface

The ASM1166 chip delivers a native PCI Express 3.0 x4 host connection and six downstream SATA 3.0 ports that are backward compatible with 1.5 and 3.0 Gbps drives. This single-chip design determines the maximum aggregate bandwidth and the number of drives you can attach directly.

Highlights

  • Add six SATA III 6 Gbps drives via PCI Express x4
  • ASM1166 chipset provides stable, broad compatibility
  • Backward compatible with SATA I and II at 1.5 and 3.0 Gbps
  • Works with Windows, Linux and Mac without extra drivers
  • Fits PCIe x4, x8 and x16 slots in most chassis

Specifications

No published specifications for this item yet.

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Questions about this item

What PCIe slot does this RIITOP controller need on my motherboard?

The card fits PCIe x4, x8 or x16 slots and is compliant with PCI Express 3.0 standards.

Will my older SATA I and II drives work at full speed on this card?

The ASM1166 chipset is backward compatible with SATA I/II at 1.5 and 3.0 Gbps, so legacy drives function normally.

How can I verify the controller is operating correctly after installation?

The card appears as six AHCI SATA III ports in your OS without needing a driver, and Port Multiplier command-based switching is supported.

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