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IO CREST M.2 22x42 PCIe Interface to 2 Port SATA III Expansion Card Jmicro JMB582 Chipset, Add Two SATA 3.0 Ports to Any M.2 M-Key Slot SI-MPE40150
IO CREST

IO CREST M.2 22x42 PCIe Interface to 2 Port SATA III Expansion Card Jmicro JMB582 Chipset

Bottom line: The IO CREST M.2 22x42 PCIe Interface to 2 Port SATA III Expansion Card: Adds two SATA 3.0 6Gbps ports via an M.2 M-key slot; main trade-off: M.2 22x42 M-key only; won't fit standard PCIe slots.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Adds two SATA 3.0 6Gbps ports via an M.2 M-key slot
  • ✓ JMB582 chipset hits up to 850 MB/s sequential read/write
  • ✓ Driverless on Windows XP/7/8/10, macOS, Linux, and NAS
  • ✓ Hot-plug and hot-swap on both independent SATA channels

Cons

  • ✗ M.2 22x42 M-key only; won't fit standard PCIe slots
  • ✗ Two ports only, no port count for larger arrays
  • ✗ 850 MB/s ceiling shared, can bottleneck fast SSDs
  • ✗ No RAID controller, relies on OS software RAID

Manufacturer description

The IO Crest full height Minicar to SATA III 2 ports card ( SI-MPE40150 ) is the easiest way to update any computer with SATA ports with a free full size Minicar slot. Once installed¸ this host card will add SATA ports with two independent channels. This allows support of two SATA devices at speeds of up to 6Gb/s whether it is a SATA hard drive or SATA device. Using the JMB582 chipset, the SI-MPE40150 can provide a maximum sequential Read / Write Speed of 850 MB/s to 2 SATA 6Gb/s ports. For the storage solution based on data transfer of multiple hard drives, the newly added FIS-based…

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SpecPicks Verdict

SpecPicks scored IO CREST M.2 22x42 PCIe Interface to 2 Port SATA III Expansion Card… using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. IO CREST's expansion cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for expansion cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Compatible with PCI-E Mini card Specification Revision 1. 2, PCI-Express 2. 0 base Specification compliant
  • Compliant with Serial ATA AHCI (advanced host controller interface) Specification Rev 1. 0, supports SATA 3. 0 transfer rate up to 6Gbps. Maximum sequencing read/ write speed 850 MB/s.
  • Micron JMB582 Chipset, Port Multiplier FIS-based and Command-based switching supported. Hot plug and Hot swap SATA ports. Support Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x, and Gen 3i.
  • Compatible with Windows XP/7/8/10/Mac/NAS/Linux OS. No driver installation is required. Support install Windows OS from Win10 PE.
  • Compatible with full size card Type form Factor. This is a Mini-Pie card and will not fit in standard Pie Slots

Full Specifications

BrandIO CREST
StyleM 2-Port
Style NameM 2-Port
Unit Count1 Count
Model NumberSI-MPE40150
CompatibilityMac, Linux
Item Type Name2 Port SATA III Full Height MiniPCIE Controller Card (Jmicro Chipset)
Mfr Part NumberSI-MPE40150
Number of Items1
Compatible DevicesDesktops, Laptops, Servers
Hardware InterfaceATA
Warranty Description3 Year Warranty
Global Trade Identification Number00857426008482
Full listing titleIO CREST M.2 22x42 PCIe Interface to 2 Port SATA III Expansion Card Jmicro JMB582 Chipset, Add Two SATA 3.0 Ports to Any M.2 M-Key Slot SI-MPE40150

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IO CREST M.2 22x42 PCIe Interface to 2 Port SATA III Expansion Card Jmicro JMB582 Chipset, Add Two SATA 3.0 Ports to Any M.2 M-Key Slot SI-MPE40150 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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IO CREST M.2 22x42 PCIe Interface to 2 Port SATA III Expansion Card Jmicro JMB582 Chipset, Add Two SATA 3.0 Ports to Any M.2 M-Key Slot SI-MPE40150
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