Intel RK80530PZ933256 QCI6ES

Intel PIII-S Tualatin Engineering Sample, running at 933MHz with 256K L2 Cache.

Intel RB80526RX533128 QR01ES

Intel Celeron Engineering Sample, running at 533MHz with 128K L2 Cache.

Intel RB80526RX600128 QR03ES

Intel Celeron Engineering Sample, running at 600MHz with 128K L2 Cache.

Intel RB80526RY850128 QER1ES

Intel Celeron Engineering Sample, running at 850MHz with 128K L2 Cache.

Intel 71172a246 QFH1 QS

Intel Pentium III Qualification Sample, no speed markings.

Intel Q70T ATTV Sample

Intel Itanium II, Dual Core Engineering Sample. The cut in on the top was made for testing core temperatures. Believed to be non-fuctional. Only one to exist, here on RareCPUs.com

Intel QPBD ES Sample

Intel Itanium II, Dual Core Engineering Sample with a fully working core - 1.6GHz with 24MB of Cache. Only one to exist, here on RareCPUs.com

Intel 80532KC021512 QFY8ES

Intel Pentium IV Xeon Engineering Sample, running at 2.1GHz with 512K L2 Cache.

Intel L202B596 QMX4 QS

Intel Pentium IV Qualification Sample, running at 1.5GHz.

Intel YA80543KC0011M_ES

Intel Itanium 2 processor running at 1GHz with 1MB L3 Cache. This is an Engineering Sample.

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