HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PC

Category Description HP
ProBook
4320s
HP
ProBook
4320s /
4321s
HP
ProBook
4420s
HP
ProBook
4421s
UMA Discrete UMA Discrete
●
33.8-cm (13.3-in) HD BrightView with
webcam
√√
●
33.8-cm (13.3-in) HD BrightView with
webcam and WWAN
√
●
35.6-cm (14.0-in) HD (1366×768 resolution) √√
● 35.6-cm (14.0-in) HD BrightView √√
● 35.6-cm (14.0-in) HD with webcam √√
●
35.6-cm (14.0-in) HD BrightView with
webcam
√√
Memory 2 customer-accessible/upgradable SODIMM
memory module slots
√√√√
Supports dual-channel memory √√√√
Supports up to 4 GB of system memory in Brazil √√
Supports up to 8 GB of system memory in all
countries and regions except Brazil
√√√√
PC3-12800, 1333-MHz, DDR3 √√√√
Supports the following configuration in all
countries and regions except Brazil:
● 8192-MB total system memory (4096-MB ×
2, dual-channel)
● 4096-MB total system memory (4096-MB ×
1)
●
4096-MB total system memory (2048-MB ×
2, dual channel)
●
3072-MB total system memory (2048-MB +
1024-MB, dual channel)
● 2048-MB total system memory (2048-MB ×
1)
●
2048-MB total system memory (1024-MB ×
2, dual channel)
●
1024-MB total system memory (1024-MB ×
1)
√√√√
Supports the following configurations in Brazil:
●
4096-MB total system memory (2048-MB ×
2, dual-channel)
●
3072-MB total system memory (2048-MB +
1024-MB, dual channel)
●
2048-MB total system memory (2048-MB ×
1)
√√√
3