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Green circuit board with four SATA ports and PCIe edge connector

LORDWORLD

LORDWORLD PCIe to 4-Ch SATA 3.0 Expander development board

SKU CH-TY6Q-22FZG

Adds four SATA 3.0 ports at 6Gbps through a single PCIe lane with AHCI 1.4 and multiple power-saving modes

  • Four SATA 3.0 ports at 6Gbps expand storage capacity
  • PCI Express lane with SRIS, AER, LTR boosts data integrity
  • NCQ and AHCI 1.4 support optimises command efficiency
  • L1 sub-state plus four power modes cut idle consumption
  • SATA LED indicator simplifies drive status monitoring

PCIe-to-SATA expansion board for CM4

This development board adds four SATA 3.0 ports to a Compute Module 4 carrier via a single PCI Express lane. It is designed for makers and engineers building storage appliances, NAS prototypes or test rigs that need direct SATA connectivity without USB bottlenecks.

Four 6 Gbps ports with port-multiplier switching

The controller presents four independent SATA 3.0 channels and handles switching through standard port-multiplier commands. NCQ and AHCI 1.4 support keep command queues efficient while the PHY runs at the full 6 Gbps link rate.

Low-power states and LED activity indication

Four link power modes (L0s, L1, L23, L3) plus L1 sub-state cut idle draw to a minimum. AER, LTR and SRIS support let the host manage errors and latency without extra firmware work. On-board SATA LEDs show per-port activity during normal operation.

Punti di forza

  • Four SATA 3.0 ports at 6Gbps expand storage capacity
  • PCI Express lane with SRIS, AER, LTR boosts data integrity
  • NCQ and AHCI 1.4 support optimises command efficiency
  • L1 sub-state plus four power modes cut idle consumption
  • SATA LED indicator simplifies drive status monitoring

Caratteristiche tecniche

BrandLORDWORLD

Domande su questo articolo

How many SATA 3.0 drives can run at 6Gbps through the single PCI Express channel?

Four SATA 3.0 ports share one PCI Express lane, so the 6Gbps per port is the interface ceiling; combined throughput is limited by that single lane.

What does AHCI SPEC 1.4 and NCQ support mean for drive command handling?

The board implements AHCI 1.4 with Native Command Queuing, letting the host queue and reorder commands across all four SATA ports for lower latency.

What physical space and connector layout does the expander need to mount four SATA cables?

The development board exposes four standard SATA 3.0 data connectors plus power pins, requiring enough clearance for four cables and the PCI Express edge connector.

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