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Main image of 2 Port PCIe 3.0 X1 SATA 3.0 Non-RAID Controller Card, Jmicro Chipset Model SI-PEX40148 Storage Expansion Adapter

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2 Port PCIe 3.0 X1 SATA 3.0 Non-RAID Controller Card, Jmicro Chipset Model SI-PEX40148 Storage Expansion Adapter

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Official model SI-PEX40148 equipped with reliable Jmicro control chip; PCIe 3.0 X1 interface, 2 independent SATA III ports with 6Gbps speed; Non-RAID design, each disk operates independently and supports system boot; Backward compatible with SATA I/II HDD, SSD and all SATA storage devices; Standard mounting bracket, compatible with Windows and Linux systems

Overview

Specs

Reviews

This SI-PEX40148 PCIe SATA controller card features PCIe 3.0 X1 bus and mature Jmicro chipset, providing two separate SATA 3.0 ports with 6Gbps high-speed transmission to expand motherboard storage interfaces. It adopts non-RAID architecture without complex array configuration, allowing users to connect two SATA hard drives or solid-state drives for independent use, and supports booting operating system from drives linked to this card. The card fits all PCIe X1/X4/X8/X16 slots of mainstream desktops. Stable circuit design ensures continuous steady read-write performance for daily storage upgrade, data backup and light monitoring storage. Complete driver packages support major Windows and Linux operating systems for quick installation.

Compact PCB with standard full-height bracket is easy to mount inside regular PC chassis, an economical storage expansion accessory for DIY desktop hosts.

Additional Information
First Listed on Newegg	August 17, 2026

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Return for refund within: 30 days
Return for replacement within: 90 days
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Item#: 9SIC7F0M4R8661