1 Product description
Category Description HP
ProBook
4320s
HP
ProBook
4320s /
4321s
HP
ProBook
4420s
HP
ProBook
4421s
UMA Discrete UMA Discrete
Product Name HP ProBook 4320s Notebook PC
NOTE: Discrete not for use in the People's
Republic of China.
√√
HP ProBook 4321s Notebook PC
NOTE: For use in the People's Republic of
China.
√
HP ProBook 4420s Notebook PC √√
HP ProBook 4421s Notebook PC √
Processors Intel® Core™
● i7-640M, 2.80-GHz (Turbo up to 3.46 GHz),
4-MB L3 cache, 4 threads
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● i7-620M, 2.66-GHz (Turbo up to 3.33 GHz),
4-MB L3 cache, 4 threads
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● i5-580M, 2.80-GHz (Turbo up to 3.33 GHz),
3-MB L3 cache, 4 threads
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● i5-560M, 2.66-GHz (Turbo up to 3.20 GHz),
3-MB L3 cache, 4 threads
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● i5-540M, 2.53-GHz (Turbo up to 3.06 GHz),
3-MB L3 cache, 4 threads
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● i5-520M, 2.4-GHz (Turbo up to 2.93 GHz), 3-
MB L3 cache, 4 threads
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● i5-480M, 2.66-GHz (Turbo up to 3.18 GHz),
3-MB L3 cache, 4 threads
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● i5-460M, 2.53-GHz (Turbo up to 2.80 GHz),
3-MB L3 cache, 4 threads
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● i5-450M, 2.40-GHz (Turbo up to 2.66 GHz),
3-MB L3 cache, 4 threads
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● i5-430M, 2.26-GHz (Turbo up to 2.53 GHz),
3-MB L3 cache, 4 threads
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