Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 3.2GHz vs Lenovo ThinkCentre S51

31specifications compared
11differ
20identical
4known for one product only

Key differences

Internal memory
- ThinkCentre A51p P4 3.2GHz:0.25 GB
- ThinkCentre S51:0.5 GB
Maximum internal memory
- ThinkCentre A51p P4 3.2GHz:4 GB
- ThinkCentre S51:2 GB
Internal memory type
- ThinkCentre A51p P4 3.2GHz:DDR2-SDRAM
- ThinkCentre S51:DDR-SDRAM
Power supply
- ThinkCentre A51p P4 3.2GHz:310 W
- ThinkCentre S51:225 W
Chassis type
- ThinkCentre A51p P4 3.2GHz:Tower
- ThinkCentre S51:SFF
Width
- ThinkCentre A51p P4 3.2GHz:175 mm
- ThinkCentre S51:127 mm
Depth
- ThinkCentre A51p P4 3.2GHz:450 mm
- ThinkCentre S51:390 mm
Height
- ThinkCentre A51p P4 3.2GHz:492 mm
- ThinkCentre S51:346 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4 3.2GHz, ThinkCentre S51
35 specifications	A Lenovo ThinkCentre A51p P4 3.2GHz View product	B Lenovo ThinkCentre S51 View product
Processoridentical
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memory3 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR-SDRAM
Storageidentical
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphicsidentical
Video adapter, busKnown for one	PCI Express	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet	Gigabit Ethernet
Power1 differ
Power supplyDiffers	310 W	225 W
Design1 differ
Chassis typeDiffers	Tower	SFF
Software1 differ
Bundled softwareDiffers	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	Lotus Notes Stand-alone Client, Lotus SmartSuite Millennium, Norton AntiVirus 2004, PC Doctor, Access, ThinkVantage Client Security, ThinkVantage Rescue & Recovery, IBM Director Agent
Weight & dimensions4 differ
WidthDiffers	175 mm	127 mm
DepthDiffers	450 mm	390 mm
HeightDiffers	492 mm	346 mm
WeightDiffers	13.5 kg	8.5 kg
Other featuresidentical
Security featuresKnown for one	-Diskette I/O control -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Boot sequence control -Parallel port I/O control -Power on password -Secure Data Disposal -Serial port I/O control -Kensington Lock Standard Enabled -Hardfile I/O control -Embedded Security Subsyste	Unknown — not stated by the source

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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