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PCIe 2.0 x2 4-port SATA III 6 Gbps Expansion Card

  • Product Code: PX2-S3-4I
  • Availability: In Stock
  • Ships: Typically within 3 Business Days
  • Guarantee: 30-day Return and Money Back


The PX2-S3-4I 4-Port PCI Express 2.0 SATA Controller Card with HyperDuo adds 4 AHCI SATA III ports to a computer through a PCIe slot (x2), delivering multiple internal 6Gbps connections for high-performance hard drives and Solid State Drives (SSDs).

Featuring HyperDuo technology, the SATA card offers SSD auto-tiering which lets you balance the performance advantages of SSD storage with the cost-effectiveness and large capacity of standard hard drives. By combining SSD and HDD drives into a single volume (up to 3 SSD + 1 HDD), HyperDuo discreetly works in the background to identify and move frequently accessed files to the faster SSD drive(s) for improved data throughput - up to 80% of SSD performance! (Note: The HyperDuo automatic storage tiering feature is compatible with computers that use a BIOS.)

The PCIe SATA controller card supports Port Multiplier (PM), enabling multiple SATA drives to be connected to one port over a single cable, for a total of 7 drives (Up to 4 drives through PM on one port, and a single drive to the remaining 3 ports). Plus, the SATA controller card offers an effective hardware RAID solution, with native RAID (0, 1, 1+0) support.


  • Compliant with PCI-Express Specification V2.0 and backward Compatible with PCI-Express 1.x
  • Compliant with Serial ATA Specification 3.0
  • PCI Express x2 interface and compatible with PCI Express X4 ,X8 and X16 slots
  • Supports communication speeds of 6Gbps \ 3Gbps \ 1.5Gbps
  • Support Native Command Queue (NCQ).
  • Support Port Multiplier FIS based switching or command based switching
  • Compatible with SATA6G,3G and 1.5G hard drives
  • Support RAID function: RAID 0, RAID 1, RAID 10, and HyperDuo
  • Hot plug and Hot Swap


  • Chipset: Marvell 88SE9230
  • Bus Interface: PCI Exrpess 2.0 x2
  • Ports: 4 * Internal SATA (7 pin, Data)
  • Bracket: Standard Profile (LP bracket incl.)
  • Compliant with Serial ATA specification, Revision 3.0
  • Compliant with PCI Express Base specification, Revision 2.0
  • Supports 6Gb/s data transfer rate
  • Supports 48-bit LBA and verified to work with up to 4TB drives
  • Supports hardware RAID (RAID 0, 1, 10)


  • Supported RAID Modes
    • JBOD - (Just a Bunch of Disks)
    • RAID 1 (Mirrored Disks)
    • RAID 0 (Striped Disks)
    • RAID 10 (1+0, Striped set of Mirrored Subset)
  • Type and Rate: SATA III (6 Gbps)
  • Port Multiplier: Yes
  • Number of Ports That Support Port Multiplier: 4 (can only use 1 PM at a time)
  • Number of Drives Supported Through Port Multiplier: 1 to 4
  • Bootable: Yes
  • LBA support: 48-bit
  • Hardware Raid Supported: Yes
  • ATAPI Support: Yes
  • Max Drive Capacity: Currently tested up to 4TB per drive
  • Hot Swap Capability: Yes

OS Compatibility

  • Windows® XP, Vista, 7, 8, 8.1, 10
  • Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
  • Mac OS® 10.6 to 10.14
  • Linux 3.5.x to 4.11.x LTS versions only


  • The maximum throughput of this card is limited by the bus interface. If used with PCI Express Gen 1.0 enabled computers, the max throughput is 2.5 Gbps per lane. If used with PCI Express Gen 2.0 enabled computers, the max throughput is 5 Gbps per lane.
  • Only one port can use the Port Multiplier feature at a time. Supports up to 4 drives connected via Port Multiplier, 7 drives total.
  • Port Multiplier not supported in Mac OS.
  • Connected drives cannot be used as System / Primary drive in Windows Server 2012, 2012 R2, 2016
  • The Marvell Storage Utility application requires macOS 10.9 to 10.14.

Package Contents

  • Spare low profile bracket
  • SATA data cable (2)
  • Driver CD
  • Installation guide

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