Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 530 3000 2x256MB 160GB vs Lenovo ThinkCentre S51 P4 3000 512MB 40GB

84specifications compared
13differ
71identical
7known for one product only

Key differences

The Lenovo ThinkCentre A51p P4 530 3000 2x256MB 160GB has 2 GB more maximum internal memory than the Lenovo ThinkCentre S51 P4 3000 512MB 40GB (4 GB vs 2 GB). The Lenovo ThinkCentre A51p P4 530 3000 2x256MB 160GB has 120 GB more total storage capacity than the Lenovo ThinkCentre S51 P4 3000 512MB 40GB (160 GB vs 40 GB). The Lenovo ThinkCentre A51p P4 530 3000 2x256MB 160GB has 85 W more power supply than the Lenovo ThinkCentre S51 P4 3000 512MB 40GB (310 W vs 225 W). Internal memory type: DDR2-SDRAM on the Lenovo ThinkCentre A51p P4 530 3000 2x256MB 160GB, DDR-SDRAM on the Lenovo ThinkCentre S51 P4 3000 512MB 40GB. Optical drive type: DVD-RW on the Lenovo ThinkCentre A51p P4 530 3000 2x256MB 160GB, CD-ROM on the Lenovo ThinkCentre S51 P4 3000 512MB 40GB.

Maximum internal memory
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:4 GB
- ThinkCentre S51 P4 3000 512MB 40GB:2 GB
Internal memory type
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:DDR2-SDRAM
- ThinkCentre S51 P4 3000 512MB 40GB:DDR-SDRAM
Total storage capacity
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:160 GB
- ThinkCentre S51 P4 3000 512MB 40GB:40 GB
Optical drive type
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:DVD-RW
- ThinkCentre S51 P4 3000 512MB 40GB:CD-ROM
Discrete graphics card model
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:AMD Radeon X600 Pro
- ThinkCentre S51 P4 3000 512MB 40GB:Intel® GMA 900
Power supply
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:310 W
- ThinkCentre S51 P4 3000 512MB 40GB:225 W
Chassis type
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:Tower
- ThinkCentre S51 P4 3000 512MB 40GB:SFF
Operating system installed
- ThinkCentre A51p P4 530 3000 2x256MB 160GB:Windows XP Home Edition
- ThinkCentre S51 P4 3000 512MB 40GB:Windows XP Professional

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4 530 3000 2x256MB 160GB, ThinkCentre S51 P4 3000 512MB 40GB
91 specifications	A Lenovo ThinkCentre A51p P4 530 3000 2x256MB 160GB View product	B Lenovo ThinkCentre S51 P4 3000 512MB 40GB View product
Memory2 differ
Maximum internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR-SDRAM
Storage2 differ
Total storage capacityDiffers	160 GB	40 GB
Optical drive typeDiffers	DVD-RW	CD-ROM
Storage drive typeKnown for one	SATA	Unknown — not stated by the source
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphics1 differ
Discrete graphics card modelDiffers	AMD Radeon X600 Pro	Intel® GMA 900
Ports & interfacesidentical
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supply typeKnown for one	110~220V	Unknown — not stated by the source
Power supplyDiffers	310 W	225 W
Design1 differ
Chassis typeDiffers	Tower	SFF
Software1 differ
Operating system installedDiffers	Windows XP Home Edition	Windows XP Professional
Bundled softwareKnown for one	Unknown — not stated by the source	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Norton AntiVirus 2004, PC Doctor diagnostics, Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, IBM Director Agent (web deliverable)
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 features1 differ
Security featuresDiffers	-Configuration password -Diskette boot inhibit -Boot sequence control -Boot without keyboard or mouse -Diskette I/O control -Embedded Security Subsystem standard -Hard disk drive password -Hardfile I/O control -Secure Data Disposal -Serial port I/O control -Kensington Lock Standard Enabled -Parallel	-U-Bolt anchoring feature -Serial port I/O control -Security slot (for attachment of optional cable lock) -Power on password -Boot without keyboard or mouse -Configuration password -Parallel port I/O control -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O contr
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x

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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