Product comparison · 2 pcs/workstations

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

33specifications compared
13differ
20identical
3known for one product only

Key differences

Internal memory
- ThinkCentre S51 P4 540 3.2GHz:0.5 GB
- TS ThinkCentre A51 P4 540 3.2GHz:0.25 GB
Maximum internal memory
- ThinkCentre S51 P4 540 3.2GHz:2 GB
- TS ThinkCentre A51 P4 540 3.2GHz:4 GB
Internal memory type
- ThinkCentre S51 P4 540 3.2GHz:DDR-SDRAM
- TS ThinkCentre A51 P4 540 3.2GHz:DDR2-SDRAM
USB 2.0 ports quantity
- ThinkCentre S51 P4 540 3.2GHz:8
- TS ThinkCentre A51 P4 540 3.2GHz:6
Power supply
- ThinkCentre S51 P4 540 3.2GHz:225 W
- TS ThinkCentre A51 P4 540 3.2GHz:310 W
Chassis type
- ThinkCentre S51 P4 540 3.2GHz:SFF
- TS ThinkCentre A51 P4 540 3.2GHz:Tower
Width
- ThinkCentre S51 P4 540 3.2GHz:127 mm
- TS ThinkCentre A51 P4 540 3.2GHz:178 mm
Depth
- ThinkCentre S51 P4 540 3.2GHz:390 mm
- TS ThinkCentre A51 P4 540 3.2GHz:450 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre S51 P4 540 3.2GHz, TS ThinkCentre A51 P4 540 3.2GHz
36 specifications	A Lenovo ThinkCentre S51 P4 540 3.2GHz View product	B Lenovo TS ThinkCentre A51 P4 540 3.2GHz 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
Memory3 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Maximum internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR-SDRAM	DDR2-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
DVD read speed	16x	16x
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	8	6
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
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Parallel ports quantity	1	1
Power1 differ
Power supplyDiffers	225 W	310 W
Design1 differ
Chassis typeDiffers	SFF	Tower
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, Access program, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics, ThinkVantage Rescue and Recovery with Rapid Restore
Displayidentical
Display included	No	No
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	127 mm	178 mm
DepthDiffers	390 mm	450 mm
HeightDiffers	346 mm	430 mm
WeightDiffers	8.5 kg	12.5 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	-Boot sequence control -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile 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 feature

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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