SATA Port Multipliers

Delivering excellent compatibility, signal integrity and performance

6Gb/s SATA Port Multipliers

The industry’s first 6 Gb/s SATA port multiplier, the 88SM97xx series leverages our leading SATA PHY technology to deliver excellent SATA device compatibility, signal integrity, and best-in-class cost/performance for SATA storage enclosures used in set-top boxes, NAS, DVR, and public cloud computing solutions. The 88SM97xx family supports one SATA 6Gb/s host port and up to five SATA 6Gb/s device ports with backward compatibility to 3Gb/s and 1.5Gb/s.

Key features

  • 6Gb/s SATA Host Port
  • 6Gb/s SATA Device Ports
  • SATA 3.0 Compliant
  • Native Command Queuing
  • FIS-Based Switching
  • eSATA Support
  • Enclosure Management
  • GPIO Support
  • SPI Flash Interface


  • Cloud Storage
  • DVR/NVR video surveillance
  • SMB prosumer storage
  • Home NAS/routers
  • Set-top boxes
  • Automotive

Block Diagram

88SM9715 Block DiagramFigure 1: Block Diagram for 88SM9715

3G Sata Port Multiplier

The 88SM4140 SATA port multiplier consolidates the capacity of storage devices by allowing multiple SATA devices connected to a single SATA port. This port multiplier employs Marvell’s SATA 3.0 Gb/s PHY technology and support FIS for better performance.

Key features

  • 1.5/3.0 Gb/s PHY
  • 1-to-4 port SATA port multiplier
  • Hot Plug support
  • eSATA support