M.2 A+E KEY JMB582 2- SATA 6G Extend Card

Used new JMB582 chip solution, high speed and stable performance, it is committed to solving user's demand for massive data space.

  • PO.: ST559
  • P/N.: SM-SAJ582B-2T
  • Bus Type: M.2 Interface
  • Media Port: SATA 3.0 Connector
  • Main Chipset: JMB582


1-Lane M.2 A+E KEY 3.0 Host Bus Slot, enables Serial ATA PHY up to 6Gbps high speed Connector, 

Following Serial ATA Revision 3.0 Specification.


The JMB582 is a bridge controller between the M.2 A+E slot host and the storage devices with SATA/AHCI interface. Its upstream port provides a M.2 A+E Key which data transmission rate for PCIe Gen 3x1 specification. Meanwhile, its downstream port can connect to SATA/AHCI storage devices, such as a solid-state drive (SSD). The data speed of each port for the SATA port can arrive at 6Gb/s.

    • M.2 A+E KEY

    - M.2 A+E KEY (2230) Bus Slot.

    - Support 1-Lane of PCI Express

    - Complies with PCI Express Base Specification Revision 3.1a.

    - Supports PCIe link layer power saving mode.

    • SATA Features

    - Supports 2- SATA port.

    - Supports command-based and FIS-based for 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

General specification

Bus interface


Transmission interface2 x SATA 3.0 Connector
transmit speedsup to 6Gb/s
ApplicationPlug-and-Play Supported, no additional software installation or settings required
Operating Systems

Windows 7, Windows 8, Windows 8.1, Windows 10 (32 / 64bit), Linux

one available PCI Express x1/x4/x8/x16 slot

Hardware & environment

LED IndicatorsN/A
CertificationsFCC, CE, RoHS
Operating temperatureN/A
Humidity Non-OperatingN/A
Packing Accessories list

1 x M.2 A+E KEY JMB582 SATA 6G Expansion card

1 x User's Manual

2 x SATA Cable

Note: Only the above package contents, other products are not included.The allowable error of size measurement is +/- 1~3mm, and the weight of the product is subject to the actual product. 

DimensionsL22 x W30 mm
Package SizeL175 x W125 x H30 mm
Product weight
Package weight




PO#P/NSpecificationsOrdering Note
   ST559   SM-SAJ582A-2TM.2 A+E KEY SATA 3.0 6Gb/s Expansion card

Based on JBM582 Bridge Controller
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