Skip to main content
Syba 8 Port SATA III Non-RAID PCI-e x4 Expansion Card Supports FreeNAS and ZFS RAID - Includes Mini SAS to SATA Breack Out Cables (SI-PEX40137)
IO CREST

Syba 8 Port SATA III Non-RAID PCI-e x4 Expansion Card Supports FreeNAS and ZFS RAID

Bottom line: The Syba 8 Port SATA III Non-RAID PCI-e x4 Expansion Card Supports: Eight AHCI SATA III ports from one PCIe x4 slot, 6.0 Gbps per port; main trade-off: no hardware RAID, so parity and mirroring fall to the OS.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → 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.

Pros & Cons

Pros

  • ✓ Eight AHCI SATA III ports from one PCIe x4 slot, 6.0 Gbps per port
  • ✓ Dual Marvell 9215 chipsets plus ASM1806 bridge avoid port-multiplier bandwidth splits
  • ✓ Non-RAID HBA passthrough suits FreeNAS and ZFS software RAID pools
  • ✓ Hot plug and hot swap with Native Command Queuing supported
  • ✓ Backed by a 3-year sybausa.com warranty and free lifetime tech support

Cons

  • ✗ No hardware RAID, so parity and mirroring fall to the OS
  • ✗ Needs a physical PCIe x4 or larger slot, ruling out x1-only boards
  • ✗ PCIe 2.0 x4 uplink is shared across all eight 6 Gbps ports
  • ✗ Mini-SAS breakout cables occupy space in tight NAS chassis

Manufacturer description

The SI-PEX40137 8-Port PCI Express 2.0 SATA Controller Card adds 8 AHCI SATA III ports to a computer through a PCIe x4 or larger slot, delivering multiple internal 6Gbps connections for high-performance hard drives and Solid State Drives (SSDs).The SI-PEX40137 uses two Marvell 9215 that can be used for embedded platform applications such as home NAS/media servers, DVR/NVR and set-top boxes, or vendors can develop their own software RAID boxes with FreeNAS.This PCIe SATA 6gbps card is backed by a 3-year sybausa.com warranty and free lifetime technical support.

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored Syba 8 Port SATA III Non-RAID PCI-e x4 Expansion Card Supports… 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

  • Using a ASM1806 PCIe bridge elimate the need for a Port Multiper when combining the Dual Marvell 9215 Chipset allowing to reach maximum bandwidth per port.
  • Compliant with PCI-Ecpress Specification v2.0 and backwards compatible with PCI-E 1.x
  • Supports Communication Speeds: 6.0 Gbps, 3.0 Gbps, 1.5 Gbps
  • Support Native Command Queue (NCQ). Support Hot plug and Hot Swap.
  • Supports AHCI 1.0 programming interface registers for the SATA controller

Full Specifications

BrandIO CREST
StyleMV 8-Port
Style NameMV 8-Port
Unit Count1.0 Count
Model NumberSI-PEX40137
Item Type Name8 Port Non-RAID SATA III PCI-e x4 Controller Card
Mfr Part NumberSI-PEX40137
Compatible DevicesLaptop, Personal Computer
Hardware InterfacePCI, SAS
Warranty Description3 Years Manufacturer
Item Dimensions L x W x H5.5"L x 4.75"W x 0.75"H
Supports Communication Speeds6.0 Gbps, 3.0 Gbps, 1.5 Gbps
Global Trade Identification Number00857426008246
Full listing titleSyba 8 Port SATA III Non-RAID PCI-e x4 Expansion Card Supports FreeNAS and ZFS RAID - Includes Mini SAS to SATA Breack Out Cables (SI-PEX40137)

Ready to buy?

Syba 8 Port SATA III Non-RAID PCI-e x4 Expansion Card Supports FreeNAS and ZFS RAID - Includes Mini SAS to SATA Breack Out Cables (SI-PEX40137) 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.

Check price on Amazon →

Related Expansion Cards

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
Syba 8 Port SATA III Non-RAID PCI-e x4 Expansion Card Supports FreeNAS and ZFS RAID - Includes Mini SAS to SATA Breack Out Cables (SI-PEX40137)
View on Amazon →