Highlights
  • External PCIe x16 (SFF-8674 1x4) to PCIe x16 Gen 4 Switch Host Card
    • Design with Microchip
      • PCIe Switch Supports PCIe Gen 1.0, 2.0, 3.0, 4.0
    • Upstream: PCIe x16 Edge Finger
    • Downstream: External PCIe Gen 4 Cable Ports (SFF-8674 1x4 Connector)
  • Supports port bifurcation, the following multiple Port configurations
    • x16, x16
    • x16, x8 x8
    • x16, x4 x4 x4 x4
    • x16, x2, x2, x2, x2, x2, x2, x2, x2
    • x16, x8, x2, x2, x2, x2
    • x16, x4, x4, x2, x2, x2, x2
    • x16, x8 x4 x4
  • Supports Low Profile PCI Form Factor
Introduction

EP16X-PCIE16XG421 is External PCIe x16 (SFF-8674 1x4) to PCIe x16 Gen 4 Switch Host Card, it requires no additional software or drivers to operate.

Utilizing the standard PCI Express Switch, the 36-Lane/20-Port PCI Express Gen 4 Switch provides the most efficient fan-out solution.
The EP16X-PCIE16XG421 supports the following multiple Port configuration options:

  • x16, x16
  • x16, x8 x8
  • x16, x4 x4 x4 x4
  • x16, x2, x2, x2, x2, x2, x2, x2, x2
  • x16, x8, x2, x2, x2, x2
  • x16, x4, x4, x2, x2, x2, x2
  • x16, x8 x4 x4

 
Technical Specifications
Upstream PCIe Interface
  • 16-lane Edge Finger

Downstream PCIe Interface

  • Four External PCIe Gen 4 Cable Ports
    • SFF-8674 1x4 Connector
Key Features
  • High-Performance
    • 36-lane variants
    • Ports bifurcate from to x2/x4/x8/x16 lanes
    • Supports multicast groups per port
  • High-Speed I/O
    • PCIe Gen4 16 GT/s
    • Supports PCIe-compliant link training and manual PHY configuration
  • Power Management
    • Active State Power Management (ASPM)
    • Software-controlled power management
  • DMA Controller
    • High-performance, ultra-low latency DMA engine
Switch
  • Side Band Selection
    • PCI SIG Compliant 
    • Provide PCIe Reference Clock
  • PCIe Port Configuration & PCIe Clocking (SRNS/SRIS) Selection
    • x16, x16
    • x16, x8 x8
    • x16, x4 x4 x4 x4
    • x16, x2, x2, x2, x2, x2, x2, x2, x2
    • x16, x8, x2, x2, x2, x2
    • x16, x4, x4, x2, x2, x2, x2
    • x16, x8 x4 x4
Power consumption < 20W at 32 active Gen4 links
LEDs 
  • PCIe switch heartbeat LED (Blue)
  • PCIe switch failure LED (Green)
  • Port unlink LED (Red)
Computer Platform Requirements Desktop computer equipped with a PCIe 1.0/2.0/3.0/4.0 x16 slot
Physical Dimensions
  • Dimensions: 180mm (L) x 68mm (W)
  • NW: 147.5g
Application

Mode: x8 x8

Mode: x4 x4 x4 x4

Mode: x8 x4 x4
Optional Accessories

 

  • Target : External PCI Express to PCIe x16 Gen 4 RedriverCable Adapter (EPCIE16XG4RDCA02)
  • Target : External PCI Express to PCIe x16 Gen 4 RedriverCable Adapter (EPCIE8XG4RDCA02)
  • PCIe x16 to x16 Expansion Backplane (PCIEX16D11)

  • PCIe x16 to two x8 Expansion Backplane (PCIEX16D03)
Kit includes

EP16X-PCIE16XG421

  • EP16X-PCIE16XG421
  • Manual

EP16X-PCIE16XG421Kx

  • EP16X-PCIE16XG421
  • EPCIE16XG4RDCA02
  • x: Docking Board
    • A: PCIEX16D11
    • B: PCIEX16D03
    • C: PCIEX16D05-5
    • D: PCIEX16D05-9
    • E: PCIEX16D04A
  • CB-00711---JST Wafer 2pin Cable
  • Manual

SFF-8674 Cable (Optical Acessories)

  • CB-S0060-100: L=1m
  • CB-S0060-200: L=2m
  • CB-S0060-300: L=3m