RS520-E6/ERS8
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    CPU Support

    • CPU Support
    • Memory / Device Support

    The following table shows the supported CPUs for this motherboard

    Click here to search other motherboards.
    CPUValidated since PCBValidated since BIOSNote
    Dual-Core Intel Xeon E5502(1.86GHz, 8MB, 4.8GT/s,D0) R1.03G 0701 GO
    Dual-Core Intel Xeon E5503(2.00GHz, 4MB, 4.8GT/s,D0) R1.03G 1101 GO
    Quad-Core Intel Xeon E5504(2.00GHz, 4MB, 4.8GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon E5506(2.13GHz, 4MB, 4.8GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon E5507(2.26GHz, 4MB, 2.4GT/s) R1.03G 1101 GO
    Quad-Core Intel Xeon E5520(2.26GHz, 8MB, 5.86GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon E5530(2.4GHz, 8MB, 5.86GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon E5540(2.53GHz, 8MB, 5.86GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon E5603(1.6 GHz, 4MB, 4.8GT/s,B1) R1.03G 1204 GO
    Quad-Core Intel Xeon E5606(2.13 GHz, 8MB, 4.8GT/s,B1) R1.03G 1204 GO
    Quad-Core Intel Xeon E5607(2.26 GHz, 8MB, 4.8GT/s,B1) R1.03G 1204 GO
    Quad-Core Intel Xeon E5620(2.4GHz, 12MB, 5.86GT/s) R1.03G 1101 GO
    Quad-Core Intel Xeon E5630(2.53GHz, 12MB, 5.86GT/s) R1.03G 1101 GO
    Quad-Core Intel Xeon E5640(2.66GHz, 12MB, 5.86GT/s) R1.03G 1101 GO
    Quad-Core Intel Xeon L5506(2.13GHz, 8MB, 4.8GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon L5508(2.00GHz, 8MB, 5.86GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon L5518(2.13GHz, 8MB, 5.86GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon L5520(2.26GHz, 8MB, 5.86GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon L5530(2.4GHz, 8MB, 5.86GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon L5609(1.86GHz, 12MB,4.8GT/s) R1.03G 1101 GO
    Quad-Core Intel Xeon L5630(2.13GHz, 12MB, 2.9GT/s) R1.03G 1101 GO
    Quad-Core Intel Xeon X5550(2.66GHz, 8MB, 6.4GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon X5560(2.8GHz, 8MB, 6.4GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon X5570(2.93GHz, 8MB, 6.4GT/s,D0) R1.03G 0701 GO
    Quad-Core Intel Xeon X5667(3.06GHz, 12MB, 6.4GT/s) R1.03G 1101 GO
    Quad-Core Intel Xeon X5672(3.20 GHz, 12MB, 6.4GT/s,B1) R1.03G 1204 GO
    Six-Core Intel Xeon E5645(2.40GHz, 12MB,5.86GT/s,B1) R1.03G 1204 GO
    Six-Core Intel Xeon E5649(2.53GHz, 12MB,5.86GT/s,B1) R1.03G 1204 GO
    Six-Core Intel Xeon L5640(2.26GHz, 12MB, 5.86GT/s) R1.03G 1101 GO
    Six-Core Intel Xeon X5650(2.67Hz, 12MB, 6.4GT/s) R1.03G 1101 GO
    Six-Core Intel Xeon X5660(2.8GHz, 12MB, 6.4GT/s) R1.03G 1101 GO
    Six-Core Intel Xeon X5670(2.93GHz, 12MB, 6.4GT/s) R1.03G 1101 GO
    Six-Core Intel Xeon X5675(3.06GHz, 12MB,6.4GT/s,B1) R1.03G 1204 GO
    • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
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