HP Compaq dx2420 Microtower PC (VC455EA)
HP Compaq dx2420 Microtower PC (VC483EA)
HP Compaq dx2420 Microtower PC (VC484EA)
HP Compaq dx2420 Microtower PC (VC501EA)
HP Compaq dx2420 Microtower PC (VC493EA)
HP Compaq dx2420 Microtower PC (VC490EA)
HP Compaq dx2420 Microtower PC (VC486EA)
HP Compaq dx2420 Microtower PC (VC498EA)
HP Compaq dx2420 Microtower PC (VC497EA)
HP Compaq dx2420 Microtower PC (VC502EA)
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Operating system installed
Genuine Windows Vista® Business with downgrade to Windows XP Professional custom installed
FreeDOS
Genuine Windows Vista® Business with downgrade to Windows XP Professional custom installed
FreeDOS
FreeDOS
FreeDOS
Genuine Windows Vista® Business with downgrade to Windows XP Professional custom installed
FreeDOS
FreeDOS
Genuine Windows Vista® Business with downgrade to Windows XP Professional custom installed
Operating system installed
Upgradability
Windows Vista® capable* Windows Vista® Premium ready
Windows Vista® capable* Windows Vista® Premium ready
Windows Vista® capable* Windows Vista® Premium ready
Windows Vista® capable* Windows Vista® Premium ready
Upgradability
Processor speed
3.00 GHz
2.80 GHz
2.80 GHz
2.93 GHz
2.60 GHz
2.60 GHz
2.60 GHz
2.60 GHz
2.60 GHz
2.60 GHz
Processor speed
Cache external
6 MB L2 cache
2 MB L2 cache
2 MB L2 cache
3 MB L2 cache
2 MB L2 cache
2 MB L2 cache
2 MB L2 cache
2 MB L2 cache
2 MB L2 cache
2 MB L2 cache
Cache external
Processor front side bus
1333 MHz front side bus
1066 MHz front side bus
1066 MHz front side bus
1066 MHz front side bus
800 MHz front side bus
800 MHz front side bus
800 MHz front side bus
800 MHz front side bus
800 MHz front side bus
800 MHz front side bus
Processor front side bus
Standard memory
1 x 2 GB
1 x 2 GB
1 x 2 GB
1 x 2 GB
1 x 2 GB
1 x 1 GB
1 x 2 GB
1 x 1 GB
1 x 1 GB
1 x 1 GB
Standard memory
Memory upgrade
Expandable to 4 GB through two industry-standard DIMM slots
Upgradeable to 4GB
Upgradeable to 4GB
Upgradeable to 4GB
Upgradeable to 4GB
Upgradeable to 4GB
Upgradeable to 4GB
Upgradeable to 4GB
Upgradeable to 4GB
Upgradeable to 4GB
Memory upgrade
Internal drives
320 GB
320 GB
320 GB
320 GB
320 GB
320 GB
320 GB
320 GB
160 GB
160 GB
Internal drives
Optical drives
SATA DVD+/-RW 16x SuperMulti LightScribe
SATA DVD+/-RW 16x SuperMulti LightScribe and HP Media Card Reader 22-in-1 (3.5" with PCI)
SATA DVD+/-RW 16x SuperMulti LightScribe and HP Media Card Reader 22-in-1 (3.5" with PCI)
SATA DVD+/-RW 16x SuperMulti LightScribe and HP Media Card Reader 22-in-1 (3.5" with PCI)
SATA DVD+/-RW 16x SuperMulti LightScribe and HP Media Card Reader 22-in-1 (3.5" with PCI)
SATA DVD+/-RW 16x SuperMulti LightScribe
SATA DVD+/-RW 16x SuperMulti LightScribe and HP Media Card Reader 22-in-1 (3.5" with PCI)
SATA DVD+/-RW 16x SuperMulti LightScribe and HP Media Card Reader 22-in-1 (3.5" with PCI)
SATA DVD+/-RW 16x SuperMulti LightScribe
SATA DVD+/-RW 16x SuperMulti LightScribe and HP Media Card Reader 22-in-1 (3.5" with PCI)
Optical drives
Flexible disk drive
No Floppy Disk Drive
No Floppy Disk Drive
Flexible disk drive
Audio
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible, internal PC speaker
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible
Integrated High Definition audio with Realtek ALC662 codec, 3D audio compliant and HD Audio compatible
Audio
Network interface
Integrated Realtek 8101E-GR GbE Ethernet
Integrated Realtek 8101E 10/100 Ethernet Controller
Integrated Realtek 8101E 10/100 Ethernet Controller
Integrated Realtek 8101E 10/100 Ethernet Controller
Integrated Realtek 8101E 10/100 Ethernet Controller
Integrated Realtek 8101E 10/100 Ethernet Controller
Integrated Realtek 8101E 10/100 Ethernet Controller
Integrated Realtek 8101E 10/100 Ethernet Controller
Integrated Realtek 8101E 10/100 Ethernet Controller
Integrated Realtek 8101E 10/100 Ethernet Controller
Network interface