Lenovo ThinkCentre M51 vs Lenovo ThinkCentre M51 P4 540 3.2GHz

Comparison of ThinkCentre M51, ThinkCentre M51 P4 540 3.2GHz

40 specifications	A Lenovo ThinkCentre M51View product	B Lenovo ThinkCentre M51 P4 540 3.2GHzView product
Storageidentical
HDD interfaceKnown for one	SATA	—Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	—Unknown — not stated by the source
Storage drive typeKnown for one	—Unknown — not stated by the source	SATA
Graphicsidentical
Video adapter, busKnown for one	—Unknown — not stated by the source	PCI Express
Ports & interfacesidentical
Line-outKnown for one	Yes	—Unknown — not stated by the source
Line-inKnown for one	Yes	—Unknown — not stated by the source
Poweridentical
Power supply typeKnown for one	—Unknown — not stated by the source	110~220V
Software1 differ
Bundled softwareDiffers	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue and Recovery with Rapid Restore	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue
Other features1 differ
Security featuresDiffers	-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Padlock loop -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control	-Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Padlock loop -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -oot without keyboard or mouse -Configuration password

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.