Product comparison · 2 pcs/workstations

Lenovo ThinkCentre S51 P4 540 3.2GHz vs Lenovo TS ThinkCentre A51 P4 540-3.2G

33specifications compared
5differ
28identical
5known for one product only

Key differences

Width
- ThinkCentre S51 P4 540 3.2GHz:127 mm
- TS ThinkCentre A51 P4 540-3.2G:309 mm
Depth
- ThinkCentre S51 P4 540 3.2GHz:390 mm
- TS ThinkCentre A51 P4 540-3.2G:359 mm
Height
- ThinkCentre S51 P4 540 3.2GHz:346 mm
- TS ThinkCentre A51 P4 540-3.2G:85 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre S51 P4 540 3.2GHz, TS ThinkCentre A51 P4 540-3.2G
38 specifications	A Lenovo ThinkCentre S51 P4 540 3.2GHz View product	B Lenovo TS ThinkCentre A51 P4 540-3.2G View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor frequency	3.2 GHz	3.2 GHz
Processor front side bus	800 MHz	800 MHz
Memoryidentical
Internal memory	0.5 GB	0.5 GB
Maximum internal memory	2 GB	2 GB
Internal memory type	DDR-SDRAM	DDR-SDRAM
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
Storage drive typeKnown for one	Unknown — not stated by the source	SATA
Diskette drive memory	1.44 MB	1.44 MB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card model	Intel® GMA 900	Intel® GMA 900
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
DVD read speed	16x	16x
Networkidentical
Networking features	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Parallel ports quantity	1	1
Poweridentical
Power supply	225 W	225 W
Designidentical
Chassis type	SFF	SFF
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
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), IBM Director Agent (web deliverable), Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics
Displayidentical
Display included	No	No
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions3 differ
WidthDiffers	127 mm	309 mm
DepthDiffers	390 mm	359 mm
HeightDiffers	346 mm	85 mm
Weight	8.5 kg	8.5 kg
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 -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring featu	-Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature -Parallel port I/O control -Hard drive I/O control -Diskette I/O control -Hard disk drive password -Diskette Boot inhibit -Configuration password -Boot without keyboard or mou

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.

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