PCI 2.2 compatible with PCI 2.3 cards?

By sethbest
Feb 12, 2009
  1. I'm looking into buying a "Rosewill Silicon Image RC-209-EX PCI External e-SATA x2/ Internal SATA x4 1.5G HDD Controller Card" and maybe im just losing it from staying up all night hardware shopping but the pci connector looked odd to me. Researching it I see that it is a Universal pci card, for 2.3 pci, compatible with 33mhz or 66 mhz.

    Now my mobo has only 2.2 pci's but as i understand it 2.3 universal cards are backwards compatible with 2.2 slots, and since the card has 33mhz and 66mhz functionality, the only concern would be its voltage, which i do not know, but which seems from my research to be fine either way since 2.2 supports 3.3volts which is what 2.3 pci's are.

    just wanted to double check before i shelled out the cash, that this card would probabliy work in my system.

    well i just bought it, will let you know how it works
  2. SNGX1275

    SNGX1275 TS Forces Special Posts: 10,689   +395

    Yes, I would expect it to work.
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