Lekuo 8-Port M.2 PCIe 3.0 SATA Expansion Card

Model

MR91S81

Interface

PCIe 3.0 x2, 16 GT/s Maximum Bandwidth

Ports

8 x SATA 6 Gb/s

Supported Drives

2.5"/3.5" HDD & SSD

Features

NCQ, Hot-Swap, Staggered Spin-Up, Link Power-Saving

SATA Link Power Management

Partial / Slumber Modes

Operating Temperature

0°C - 55°C

LED Indicators

8 x HDD LEDs (JK1/JK2 ports)

Bus Type

M.2 (PCIe 3.0)

Transfer Rate

6 Gb/s

Dimensions

80 x 22 mm

OS Support

Windows 7/8/10/11, Linux Kernel 3.10+

Package Included

Expansion card x1, Mini-SAS to SATA cables x2, User Manual x1

Specifications
• Interface: PCIe 3.0 x2, with a maximum theoretical bandwidth of 16 GT/s.
• Supports SMART & health info.
• Ports: 8x SATA 6 Gb/s.
• Features: NCQ, hot-swap, staggered spin-up, link power-saving.
• SATA Link Power Management: Partial / Slumber modes.
• Operating temperature: 0 °C - 55 °C.
• Supported drives: 2.5"/3.5" HDD & SSD.

Hardware Installation
• Power off the computer and disconnect the power cord.
• Open the case and insert the card into any available M.2(PCle/NVMe) slot (PCIe 3.0/2.0 compatible).
• Connect HDDs/SSDs using the included SATA cables.
• Ensure all connections are secure. Close the case and power on the system.

BIOS Settings (optional)
• In the motherboard BIOS, set the corresponding PCle slot to"AHCI Mode" for optimal compatibility.

Indicators & Status
JK1 port:
1P HDD LED: D6 2P HDD LED: D1
3P HDD LED: D3 4P HDD LED: D5
JK2 port:
5P HDD LED: D4 6P HDD LED: D7
7P HDD LED: D2 8P HDD LED: D8
LEDs flash in sync when the drives are detected or being accessed.

Drivers & OS Support
• Windows 7/8.1/10/11: Native drivers-plug and play.
• Linux kernel 3.10 or later: Drivers auto-load -no additional setup required.
• For software RAID, create arrays in Windows "Disk Management" or using Linux mdadm.

Package Checklist
• Expansion card x1
• Mini-SAS to SATA cables x2
• Quick start guide x1

Related Downloads

1. MR91S81

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