{"product_id":"via6421-pci-to-sata-pata-raid-controller-card-desktop","title":"VIA6421 PCI to SATA PATA RAID Controller Card for Desktop","description":"\n\u003ch2\u003eVIA6421 PCI to SATA \u0026amp; PATA Hard Disk Controller Card\u003c\/h2\u003e\n\u003cp\u003eUpgrade your desktop PC's storage capabilities with the \u003cstrong\u003eVIA6421 PCI to SATA \u0026amp; PATA Dual Channel Adapter Card\u003c\/strong\u003e. Powered by the reliable VIA VT6421 chipset, this internal expansion card adds full SATA and Ultra ATA\/133 support to any standard PCI slot — making it the ideal solution for builders, upgraders, and enthusiasts who need more storage connectivity without replacing their entire system.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Connectivity:\u003c\/strong\u003e Supports both Serial ATA (SATA) and Ultra ATA\/133\/100\/66 (PATA\/IDE) interfaces, giving you complete freedom over your storage configuration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutstanding Transfer Speeds:\u003c\/strong\u003e Dual-channel SATA delivers transfer rates of up to \u003cstrong\u003e150 MB\/s per channel\u003c\/strong\u003e, surpassing older IDE interfaces. Ultra DMA-133 provides up to \u003cstrong\u003e133 MB\/s\u003c\/strong\u003e on the IDE channel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRAID Support:\u003c\/strong\u003e Supports \u003cstrong\u003eRAID 0, RAID 1, and JBOD\u003c\/strong\u003e configurations, allowing you to maximize storage performance, data redundancy, or simply combine drives as a single volume.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHot Swap Compatible:\u003c\/strong\u003e Supports hot swapping for connected SATA devices — swap drives without powering down your system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Easy Installation:\u003c\/strong\u003e Simplified cabling with smaller SATA connectors makes installation straightforward, even in compact PC cases.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackward Compatible:\u003c\/strong\u003e Compatible with Serial ATA specification 1.0 and PCI Local Bus specification 2.2 for broad system compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e VIA6421 (VT6421 Chipset)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e PCI (32-bit, 33 MHz)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSATA Channels:\u003c\/strong\u003e 2 × SATA (up to 150 MB\/s per channel)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIDE\/PATA Channel:\u003c\/strong\u003e 1 × Dual-device Ultra ATA\/133\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRAID Modes:\u003c\/strong\u003e RAID 0, RAID 1, JBOD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupported Modes:\u003c\/strong\u003e ATA PIO Mode 4, Multi-Word DMA Mode 2, UltraDMA Mode 6 (ATA\/ATAPI-6)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCI Compatibility:\u003c\/strong\u003e PCI 2X mode and native PCI mode; PCI Local Bus Spec v2.2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 3.3V PCI\/IDE operating voltage; 2.5V SATA\/oscillator voltage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e 0.22μm low-power CMOS, 128-pin PQFP (14×20mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBIOS Expansion:\u003c\/strong\u003e Supports external FLASH or EEPROM for BIOS and RAID functionality\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Internal PCI slot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × VIA6421 PCI to SATA \u0026amp; PATA Controller Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-8-piece-hex-short-socket-set-vanadium-steel\"\u003e1\/2\" Drive 8-Piece Hex Short Socket Set – Vanadium Steel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-nut-bolt-extractor-tool-kit-10-piece\"\u003e10-Pc Hex Nut \u0026amp; Bolt Extractor Kit 9–19mm | HIP Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How many drives can I connect using the VIA6421 PCI SATA PATA card?\u003c\/h4\u003e\n\u003cp\u003eA: The VIA6421 card supports up to 2 SATA devices via its dual-channel SATA interface and up to 2 IDE\/PATA devices via its single-channel Ultra ATA\/133 controller, giving you a total of up to 4 storage devices connected at once.\u003c\/p\u003e\n\u003ch4\u003eQ: What RAID configurations does the VIA6421 card support?\u003c\/h4\u003e\n\u003cp\u003eA: The card supports RAID 0 (striping for performance), RAID 1 (mirroring for redundancy), and JBOD (Just a Bunch of Disks), giving you flexibility in how you manage your storage array.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the VIA6421 PCI card compatible with modern desktop PCs?\u003c\/h4\u003e\n\u003cp\u003eA: The VIA6421 requires a standard 32-bit PCI slot. It is best suited for older or mid-range desktop motherboards that include PCI slots. It is not compatible with PCIe (PCI Express) slots. Please verify your motherboard has a standard PCI slot before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this card support hot swapping?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the VIA6421 supports hot swapping for SATA-connected devices, allowing you to connect or disconnect SATA drives while the system is running — ideal for flexible storage management.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How many drives can I connect using the VIA6421 PCI SATA PATA card?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The VIA6421 card supports up to 2 SATA devices via its dual-channel SATA interface and up to 2 IDE\/PATA devices via its single-channel Ultra ATA\/133 controller, giving you a total of up to 4 storage devices connected at once.\"}}, {\"@type\": \"Question\", \"name\": \"What RAID configurations does the VIA6421 card support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The card supports RAID 0 (striping for performance), RAID 1 (mirroring for redundancy), and JBOD (Just a Bunch of Disks), giving you flexibility in how you manage your storage array.\"}}, {\"@type\": \"Question\", \"name\": \"Is the VIA6421 PCI card compatible with modern desktop PCs?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The VIA6421 requires a standard 32-bit PCI slot. 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