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800 MHz CPUs

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Processor Speed

Processor Speed

Measured in gigahertz (GHz) or megahertz (MHz), this is a measurement of the speed at which a processor executes instructions.

Socket Type

Socket Type

Also called the CPU slot, this refers to an electrical component that is attached to the PCB (printed circuit board). It corresponds with processor types and processor manufacturers.

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IBM Processor upgrade: Intel Pentium III 800 MHz Slot 1 L2 cache - 256 KB - 21P9539

IBM Processor upgrade: Intel Pentium III 800 MHz Slot 1 L2 cache - 256...

Intel Pentium III, 800 MHz, Slot 1, L2 cache - 256 KB, 1 more

  • $60.00
  • Free Shipping
  • at
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HP Processor upgrade: Intel Pentium III Xeon 800 MHz Slot 2 L2 cache - 512 KB

HP Processor upgrade: Intel Pentium III Xeon 800 MHz Slot 2 L2 cache -...

Intel Pentium III Xeon, 800 MHz, Slot 2, L2 cache - 512 KB, 1 more

  • $52.00
  • Free Shipping
  • at
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HP Processor upgrade: Intel Pentium III 800 MHz Slot 1 L2 cache - 256 KB - P1742A

HP Processor upgrade: Intel Pentium III 800 MHz Slot 1 L2 cache - 256 KB...

Intel Pentium III, 800 MHz, Slot 1, L2 cache - 256 KB, 1 more

  • $170.00
  • at
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HP Processor upgrade: Intel Xeon 3 GHz Socket 604 L2 cache - 1 MB 800 MHz

HP Processor upgrade: Intel Xeon 3 GHz Socket 604 L2 cache - 1 MB 800 MHz

Intel Xeon, 3 GHz, Socket 604, 800 MHz, L2 cache - 1 MB, 1 more

  • from $66.90
  • Free Shipping
  • 2 Stores
  • at 2 Stores
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Dell GF964 Intel Pentium 4 800 MHz Desktop

Dell GF964 Intel Pentium 4 800 MHz Desktop

The Dell CPU powers your computing platform, delivering extra performance for cutting-edge applications and an... more

  • $388.65
  • Free Shipping
  • at
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  • Review
    • From:Pcauthority
    • Posted:Jul-06-2007
    • In its day, it held the speed crown, but today??s dual-core CPUs leave it trailing for power, efficiency and value. The Pentium 4 saw the introduction of Intel??s NetBurst architecture, with its...
    • read full review | report as inappropriate
    • From:Review Centre
    • Posted:Oct-30-2005
    • chris groeschl's Review of Intel Pentium 4 Processor
    • I got my Intel Pentium 4 processor with my AA8 3rd eye and I'm not much of a techy but the guru is reading the temp a 149 F. This is causing the fan to run at 4800 rpm and therefore vibrates a lot...
    • read full review | report as inappropriate
Intel Processor upgrade: Intel Pentium III E 800 MHz Slot 1 L2 cache - 256 KB

Intel Processor upgrade: Intel Pentium III E 800 MHz Slot 1 L2 cache -...

Intel Pentium III E, 800 MHz, Slot 1, L2 cache - 256 KB, 1 more

  • $42.00
  • Free Shipping
  • at
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Intel Processor upgrade: Intel Xeon 3.6 GHz Socket 604 L2 cache - 1 MB 800 MHz - BX80546KG3600EP

Intel Processor upgrade: Intel Xeon 3.6 GHz Socket 604 L2 cache - 1 MB...

Intel Xeon, 3.6 GHz, Socket 604, 800 MHz, L2 cache - 1 MB, 1 more

  • from $51.50
  • Free Shipping
  • 2 Stores
  • at 2 Stores
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IBM Processor upgrade: Intel Pentium III 800 MHz Socket 370 L2 cache - 256 KB 133 MHz

IBM Processor upgrade: Intel Pentium III 800 MHz Socket 370 L2 cache -...

Intel Pentium III, 800 MHz, Socket 370, 133 MHz, L2 cache - 256 KB, 1 more

  • $42.00
  • Free Shipping
  • at
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HP Processor upgrade: Intel Xeon 2.8 GHz Socket 604 L2 cache - 2 MB 800 MHz

HP Processor upgrade: Intel Xeon 2.8 GHz Socket 604 L2 cache - 2 MB 800 MHz

Intel Xeon, 2.8 GHz, Socket 604, 800 MHz, L2 cache - 2 MB, 1 more

HP Processor upgrade: Intel Pentium III 800 MHz Slot 1 L2 cache - 256 KB - 175342-B21

HP Processor upgrade: Intel Pentium III 800 MHz Slot 1 L2 cache - 256 KB...

Intel Pentium III, 800 MHz, Slot 1, L2 cache - 256 KB, 1 more

  • from $40.00
  • Free Shipping
  • 3 Stores
  • at 3 Stores
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HP Processor upgrade: Intel Xeon 3.6 GHz L2 cache - 2 MB 800 MHz

HP Processor upgrade: Intel Xeon 3.6 GHz L2 cache - 2 MB 800 MHz

Intel Xeon, 3.6 GHz, 800 MHz, L2 cache - 2 MB, 1 more

  • from $110.90
  • Free Shipping
  • 4 Stores
  • at 4 Stores
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IBM Processor upgrade: Intel Pentium III 800 MHz Slot 1 L2 cache - 256 KB - 10K2338

IBM Processor upgrade: Intel Pentium III 800 MHz Slot 1 L2 cache - 256...

Intel Pentium III, 800 MHz, Slot 1, L2 cache - 256 KB more

  • $147.17
  • at Buy.com
  • at Buy.com
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  • 1 coupon available

    • Code:
    • Detail:

      Use this online coupon to get $5 off orders over $5 when you pay with eBillMe at Buy.com

    • Expires:Dec-31-2009
    • Restriction:Unknow
Intel Processor upgrade: Intel Xeon 2.8 GHz Socket 604 L2 cache - 1 MB 800 MHz

Intel Processor upgrade: Intel Xeon 2.8 GHz Socket 604 L2 cache - 1 MB...

Intel Xeon, 2.8 GHz, Socket 604, 800 MHz, L2 cache - 1 MB, 1 more

  • $72.00
  • Free Shipping
  • at
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Intel Processor upgrade: Intel Xeon 3 GHz Socket 604 L2 cache - 1 MB 800 MHz (BX80546KG3000EU)

Intel Processor upgrade: Intel Xeon 3 GHz Socket 604 L2 cache - 1 MB 800...

Intel Xeon, 3 GHz, Socket 604, 800 MHz, L2 cache - 1 MB, 1 more

  • from $55.90
  • Free Shipping
  • 2 Stores
  • at 2 Stores
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Intel Processor upgrade: Intel Xeon 3.6 GHz Socket 604 L2 cache - 1 MB 800 MHz - BX80546KG3600EU

Intel Processor upgrade: Intel Xeon 3.6 GHz Socket 604 L2 cache - 1 MB...

Intel Xeon, 3.6 GHz, Socket 604, 800 MHz, L2 cache - 1 MB, 1 more

  • from $120.00
  • Free Shipping
  • 3 Stores
  • at 3 Stores
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Intel Processor upgrade: Intel Pentium 4 541 3.2 GHz LGA775 Socket L2 cache - 1 MB 800 MHz

Intel Processor upgrade: Intel Pentium 4 541 3.2 GHz LGA775 Socket L2...

Intel Pentium 4 541, 3.2 GHz, LGA775 Socket, 800 MHz, L2 cache - 1 MB, 1 more

IBM Processor upgrade: Intel Xeon - 64-bit 3.8 GHz Socket 604 L2 cache - 2 MB 800 MHz - 13N0697

IBM Processor upgrade: Intel Xeon - 64-bit 3.8 GHz Socket 604 L2 cache -...

Intel Xeon - 64-bit, 3.8 GHz, Socket 604, 800 MHz, L2 cache - 2 MB, 1 more

  • from $121.90
  • Free Shipping
  • 2 Stores
  • at 2 Stores
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HP Processor upgrade: Intel Xeon 2.8 GHz Socket 604 L2 cache - 4 MB 800 MHz

HP Processor upgrade: Intel Xeon 2.8 GHz Socket 604 L2 cache - 4 MB 800 MHz

Intel Xeon, 2.8 GHz, Socket 604, 800 MHz, L2 cache - 4 MB, 1 more

  • from $187.90
  • Free Shipping
  • 4 Stores
  • at 4 Stores
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HP Processor upgrade: Intel Xeon 3.6 GHz Socket 604 L2 cache - 2 MB 800 MHz - 381021-B21

HP Processor upgrade: Intel Xeon 3.6 GHz Socket 604 L2 cache - 2 MB 800...

Intel Xeon, 3.6 GHz, Socket 604, 800 MHz, L2 cache - 2 MB, 1 more

  • from $110.90
  • Free Shipping
  • 4 Stores
  • at 4 Stores
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IBM Processor upgrade: Intel Xeon - 64-bit 3 GHz Socket 604 L2 cache - 2 MB 800 MHz

IBM Processor upgrade: Intel Xeon - 64-bit 3 GHz Socket 604 L2 cache - 2...

Intel Xeon - 64-bit, 3 GHz, Socket 604, 800 MHz, L2 cache - 2 MB, 1 more

  • $270.00
  • at
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  • 1 coupon available

    • Code:
    • Detail:

      Use this online coupon to get $5 off orders over $5 when you pay with eBillMe at Buy.com

    • Expires:Dec-31-2009
    • Restriction:Unknow
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