HP 621 Compaq 320, 321, 420, 421, 620, 621 Notebook PCs and HP 420, 620 Notebo - Page 13

Category, Description, UMA graphics, GL40 chipset, Discrete, graphics, Hard drives, Optical drives

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Page 13 highlights

Category Hard drives Optical drives Description Supports dual-channel memory Supports up to 4 GB of system RAM PC3-10600, 1333-MHz, DDR3 Supports the following configurations in all countries and regions: ● 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 9.5-mm, 6.35-cm (2.50-in) hard drives Customer-accessible Serial ATA Supports the following drives: ● 500-GB, 7200-rpm ● 500-GB, 5400-rpm ● 320-GB, 7200-rpm ● 320-GB, 5400-rpm ● 250-GB, 7200-rpm ● 250-GB, 5400-rpm ● 160-GB, 7200-rpm ● 160-GB, 5400-rpm HP DriveGuard (not available on Linux) Fixed, no modular requirements SATA 12.7-mm tray load Supports option of no optical drive UMA graphics, UMA graphics, Discrete GL40 chipset GM45 chipset graphics, PM45 chipset √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ 3

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Category
Description
UMA graphics,
GL40 chipset
UMA graphics,
GM45 chipset
Discrete
graphics,
PM45 chipset
Supports dual-channel memory
√
√
√
Supports up to 4 GB of system RAM
√
√
√
PC3-10600, 1333-MHz, DDR3
√
√
√
Supports the following configurations in all
countries and regions:
●
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)
√
√
√
Hard drives
Supports 9.5-mm, 6.35-cm (2.50-in) hard
drives
√
√
√
Customer-accessible
√
√
√
Serial ATA
√
√
√
Supports the following drives:
●
500-GB, 7200-rpm
●
500-GB, 5400-rpm
●
320-GB, 7200-rpm
●
320-GB, 5400-rpm
●
250-GB, 7200-rpm
●
250-GB, 5400-rpm
●
160-GB, 7200-rpm
●
160-GB, 5400-rpm
√
√
√
HP DriveGuard (not available on Linux)
√
√
√
Optical drives
Fixed, no modular requirements
√
√
√
SATA 12.7-mm tray load
√
√
√
Supports option of no optical drive
√
√
√
3