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VIA VT6421A 3-Port SATA Raid & IDE Controller PCI Card

VIA VT6421A 3-Port SATA Raid & IDE Controller PCI Card

Bottom line: The VIA VT6421A 3-Port SATA Raid & IDE Controller PCI Card ($49.99 on Amazon as of 2026-10-06): VIA VT6421A chipset drives 3 SATA ports plus 1 PATA channel from one PCI slot; main trade-off: 150 Mbps SATA I ceiling, no SATA II or III speed negotiation.

$49.99

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Buy on Amazon — $49.99 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

  • ✓ VIA VT6421A chipset drives 3 SATA ports plus 1 PATA channel from one PCI slot
  • ✓ RAID 0, 1, 0+1 and JBOD supported across the three SATA drives
  • ✓ Retains one ATA/133 IDE channel for legacy hard drives and optical drives
  • ✓ Ultra DMA modes 6 through 0 and PIO modes 4 through 0 covered
  • ✓ Plug and Play install with ATA SMART drive health reporting

Cons

  • ✗ 150 Mbps SATA I ceiling, no SATA II or III speed negotiation
  • ✗ RAID modes work on SATA only, the IDE channel is passthrough
  • ✗ PCI slot required, unusable in PCIe-only modern motherboards
  • ✗ Generic-brand card with no listed warranty or vendor support terms

Manufacturer description

This SATA Raid Controller PCI Card offers reliability to your PC desktop or servers using Serial ATA drives . It features the VIA VT6421A chipset and supports three Serial ATA drives and one UDMA/133 drives. The RAID functions are only supported on the SATA hard drives. It also features ATA Smart function support and is Plug and Play, plus more! Order today!

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SpecPicks Verdict

SpecPicks scored VIA VT6421A 3-Port SATA Raid & IDE Controller PCI Card using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. Generic'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

  • VIA VT6421A SATA Raid Controller and IDE PCI Card General Features: VIA VT6421A chipset PCI interfac
  • Supports three SATA and one PATA (IDE) hard disk drives Up to 150 Mbps data transfer rate
  • Only SATA supports RAID Supports ATA 133 high performance hard disk drives
  • Supports Ultra DMA mode 6/5/4/6/2/1/0 Supports DMA mode 2/1/0 Supports PIO mode 4/3/2/1/0
  • Supports RAID 0, 1 0+1 and JBOD

Full Specifications

BrandGeneric
StyleClassic
Style NameClassic
Model NumberLYSB000YMJ6ZE-ELECTRNCS
Mfr Part NumberCX-VT6421A
Compatible DevicesDesktop, Server
Hardware InterfaceATA, IDE, PCI

Ready to buy?

VIA VT6421A 3-Port SATA Raid & IDE Controller PCI Card 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 — $49.99

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

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VIA VT6421A 3-Port SATA Raid & IDE Controller PCI Card
$49.99
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