You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.

Computer Add-on Cards

  • Your shopping cart is empty!

PCIe 3.0 x4 2-port M.2 B-key & 3-port SATA III Expansion Card

  • Product Code: PX4-2M2B-3S
  • Availability: In Stock
  • Ships: Typically within 3 Business Days
  • Guarantee: 30-day Return and Money Back


The PCI Express x4 SATA 3.0 & M.2 B-Key expansion card is based on new JMB585 chipset solution with high speed and stable performance. It is committed to solve user's demand for massive data space. The high-speed expansion card achieves PCI Express Gen 3 x2 line bandwidth, with five SATA ports extending from the PC host to the PCI Express x4 slot, each port with a transmission speed up to 6Gbps. It can be widely applied to personal computers and other big data storage devices.


  • Supports up to two Lane of PCI Express
  • Complies with PCI Express Base Specification Revision 3.1a
  • Supports PCIe Link layer power saving mode
  • Supports 3-SATA Port & 2-M.2 Key B slot
  • For the SSD type: M.2 "B + M Key" or "B Key", Size : 2230, 2242, 2260, 2280
  • M.2 Key B slot transfer protocol: SATA 3.0
  • Each SATA Port transmit speeds up to 6Gbps
  • Support command-based and FIS-based of Port Multiplier
  • Complies with SATA Specification Revision 3.2
  • Supports AHCI mode and IDE programming interface
  • Supports Native Command Queue (NCQ)
  • Supports SATA Link Power saving mode (partial and slumber)
  • Supports SATA plug-in detection capable
  • Supports drive power control and staggered spin-up
  • Supports SATA Partial / Slumber power management state
  • Plug-and-Play Supported, no additional software installation or settings required


  • Bus interface: PCI Exrpess X4 Revision 3.1a
  • Compatible: Serial ATA 3.0
  • Control processor: JMB585
  • Connector
    • 3 x SATA 3.0 connector
    • 2 x M.2 Key B slot
  • Data rate: Each SATA Port transmit speeds up to 6Gbps
  • For the SSD type: M.2 "B + M Key" or "B Key", Size : 2230, 2242, 2260, 2280
  • Raid array: RAID 0, RAID 1,RAID 10,HyperDuo
  • Support Port Multiplier FIS based switching or Command based switching
  • Operating mode
    • Safe Mode: Mirror data from SSDs to mechanical hard drives for optimized data protection
    • Capacity Mode: Combine the capacity of solid state drives and mechanical hard disks 2-in-1
  • System: Windows XP/Vista/Server 2003/Server 2008 /Win 7/Win 8/Win 10, DOS, Linux2.6.x and above

Package Contents

  • 1 x PCIE SATA 3.0 & M.2 Key B Expansion Card JMB585 
  • 1 x User Manual
  • 3 x SATA Cable
  • 1 x Low profile bracket 

There are no reviews for this product.

Write a review

Note: HTML is not translated!
    Bad           Good