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4 Port SATA III Expansion Card with Low Profile Bracket - 6Gbps SATA 3.0 Controller PCI Express x1 Marvell 9215 for Windows 11/10/8/7/XP/Vista/Linux
IO CREST

IO CREST 4 Port SATA III Expansion Card with Low Profile Bracket

Bottom line: The IO CREST 4 Port SATA III Expansion Card with Low Profile Bracket ($28.99 on Amazon as of 2026-10-06): Marvell 88SE9215 chipset adds four internal SATA III 6Gbps ports over one PCIe x1 lane; main trade-off: PCIe 2.0 x1 caps total bandwidth near 500MB/s across all four ports at once.

$28.99

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Buy on Amazon — $28.99 Compare to similar expansion cards

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.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Marvell 88SE9215 chipset adds four internal SATA III 6Gbps ports over one PCIe x1 lane
  • ✓ Ships with both full-profile and low-profile brackets for slim or standard cases
  • ✓ Port multiplier support with FIS-based and command-based switching for drive expansion
  • ✓ Native Command Queuing (NCQ) keeps multi-drive random I/O ordered efficiently
  • ✓ Drops into PCIe x1, x2, x4, x8, or x16 slots on old and modern boards

Cons

  • ✗ PCIe 2.0 x1 caps total bandwidth near 500MB/s across all four ports at once
  • ✗ Listing text conflicts on chipset: 88SE9215 in features, 88SE9235 in the description
  • ✗ Internal ports only, so no eSATA or external drive connections
  • ✗ No SATA data cables mentioned in the package contents

Manufacturer description

The SI-PEX40064 4 port SATA III PCI-E 2.0 X1 controller card marvel 88SE9235 chipset adds four SATA III ports to a computer through a PCI-E 2.0 X1 slot, delivering multiple internal 6Gbps connections for SATA III hard drives and SSDs. With full support for SATA 3.0 hard drives and data transfer speeds of up to 6 Gbps, the controller card features a native PCI Express single chipset that provides enhanced compatibility, reliability and performance for SATA 600 MB/s storage needs.

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SpecPicks Verdict

SpecPicks scored IO CREST 4 Port SATA III Expansion Card with Low Profile Bracket 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

  • Chipset: Marvell 88SE9215
  • Installed with a full profile bracket, Low profile included with the package
  • Port Multiplier FIS-based and Command-based switching supported
  • Supports SATA Rev 3.0 transfer speeds up to 6.0Gbps and backwards compatible with SATA I/II at 1.5/3.0Gbps
  • Supports Native Command Queue (NCQ)
  • 4 Internal SATA 6Gb/s Ports

Full Specifications

BrandIO CREST
StyleMV 4-Port
Weight6g
ChipsetMarvell 88SE9215
Style NameMV 4-Port
Unit Count4 Count
Model NumberSI-PEX40064
CompatibilityLinux
Built-In Media4 X Sata Cables (16"), Driver Cd, Low Profile Bracket, Sata Iii (6Gbps) 8-Port Pci-Express Controller Card, User Manual
Item Type NameI/O Crest 4 Port SATA III PCI-e 2.0 x1 Controller Card Marvell 9215 Non-Raid with Low Profile Bracket SI-PEX40064
Mfr Part NumberSI-PEX40064
Number of Items1
Compatible DevicesLaptop, Personal Computer
Hardware InterfacePCI Express x1
Warranty DescriptionOne year warranty
Full listing title4 Port SATA III Expansion Card with Low Profile Bracket - 6Gbps SATA 3.0 Controller PCI Express x1 Marvell 9215 for Windows 11/10/8/7/XP/Vista/Linux

Ready to buy?

4 Port SATA III Expansion Card with Low Profile Bracket - 6Gbps SATA 3.0 Controller PCI Express x1 Marvell 9215 for Windows 11/10/8/7/XP/Vista/Linux 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.

Buy on Amazon — $28.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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4 Port SATA III Expansion Card with Low Profile Bracket - 6Gbps SATA 3.0 Controller PCI Express x1 Marvell 9215 for Windows 11/10/8/7/XP/Vista/Linux
$28.99
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