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Green circuit board with silver heatsink, six SATA ports, M.2 edge connector, six red cables included

RIITOP

RIITOP M.2 NVMe to SATA 3.0 6-Port Adapter Card ASM1166

SKU CH-X6WC-KFKHK

Adds six SATA 3.0 ports through one M.2 NVMe slot using an ASM1166 controller with heatsink and per-port LED indicators

  • TypeNVMe to SATA3.0
  • Expands storage with six SATA 3.0 ports from one M.2 NVMe slot
  • ASMedia ASM1166 controller delivers stable 6Gbps per port and 16Gbps total bandwidth
  • Integrated heatsink keeps chipset cool for reliable operation
  • Broad OS support including Windows Server 2008 R2, 2012 R2, 2016, 2019 and Linux
  • Includes six SATA 3.0 cables, screw and screwdriver for immediate installation

Expanding SATA ports from an M.2 NVMe slot

This adapter converts a single M.2 NVMe M-key slot into six SATA 3.0 ports using the ASMedia ASM1166 controller. It is intended for systems that have spare M.2 NVMe slots but insufficient native SATA connectors for multiple hard drives or SSDs. No extra drivers or software configuration are required.

Thermals and power characteristics

A heatsink on the controller chip reduces operating temperature to maintain stable data transmission. The adapter does not support hot swapping, so drives must be connected while the system is powered off. Total upstream bandwidth is 16 Gbps while each downstream port operates at 6 Gbps.

Build quality and daily use

Each of the six SATA ports has a dedicated LED indicator for real-time status monitoring. The package includes six SATA 3.0 cables, a mounting screw and a screwdriver for installation. The card works with SATA SSDs, 3.5 inch hard drives and optical drives across Windows, Linux, macOS and common NAS operating systems. Buyers who need RAID functionality or hot-swap capability should look elsewhere.

Highlights

  • Expands storage with six SATA 3.0 ports from one M.2 NVMe slot
  • ASMedia ASM1166 controller delivers stable 6Gbps per port and 16Gbps total bandwidth
  • Integrated heatsink keeps chipset cool for reliable operation
  • Broad OS support including Windows Server 2008 R2, 2012 R2, 2016, 2019 and Linux
  • Includes six SATA 3.0 cables, screw and screwdriver for immediate installation

Specifications

TypeNVMe to SATA3.0

Questions about this item

How do I install the card into an M.2 M-key slot and what step do people often miss?

Insert the card into a PCIe 3.0 x2 NVMe M-key slot, secure it with the supplied screw, then attach the six included SATA 3.0 cables to drives; the step often missed is connecting all six cables before closing the case.

What maintenance or replacement will the adapter need over time?

The on-board ASM1166 chipset has a dedicated heatsink; keep the fins clear of dust so the chip stays cool — no other user-serviceable parts require replacement.

What bandwidth limit appears first when all six ports run sustained transfers?

The PCIe 3.0 x2 host link caps aggregate throughput at 16 Gbps, so simultaneous heavy traffic on multiple drives will hit that ceiling before any single 6 Gbps SATA port saturates.

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