• Has 2 PCI-X 64 bit and 1 PCI-Express X16 slot. Compatible for server boards like Intel SE7520RP2. |
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| • Has 2 PCIX 64 bit slots and 1 PCI-Express X8 slot. Suitable for motherboards with PCI-Express on slot 6. |  |
| • Has 2 PCI 32 bit and 1 AGP slots. With PCI flexible cable. |  |
| • Has 3 PCI 32 bit slots. |  |
| • Has 3 PCIX 64 bit slots. |  |
| • Has 3 64 bit PCIX slots, with flexible cable. Suitable for server motherboards like Intel SE7520BD2V. GH-U656 has pin headers instead of flexible cable. |  |
| • Has 2 PCIX 64 bit and 1 AGP slots. |  |
| • Has 2 64 bit PCIX and 1 32 bit PCI slot, with flexible cable. |
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