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• Brand: Promise Technology / Maxtor
• Model: Ultra100 (PDC20267)
• Interface: PCI
• Ports: Dual 40-pin IDE (PATA)

This Promise Technology Ultra100 PCI controller card, also branded for Maxtor, provides high-speed data transfer for legacy storage devices. It features the PDC20267 chipset and two 40-pin IDE connectors, allowing for the connection of up to four internal ATA/100 hard drives or ATAPI devices. Ideal for vintage computing enthusiasts and retro PC builds requiring expanded storage capabilities on older motherboards.

• Chipset: Promise PDC20267
• Assembly Number: 9952-10 REV B5
• Firmware: Maxtor Ultra100 V2.01 B27
• Form Factor: Plug-in Card with Full Height Bracket
• Compatibility: PCI 2.2 compliant slots

Retro Computing, Vintage PC, IDE Controller, PATA Adapter, ATA100, Hard Drive Card, Legacy Hardware, Maxtor Storage, Promise Technology, PC Components, Expansion Card, Windows 98, Windows XP, DOS Gaming, Computer Parts