Product comparison · 2 pcs/workstations

Lenovo ThinkCentre S51 P4 3000 512MB 40GB XPP vs Lenovo TS ThinkCentre A51 P4 530 256MB 80GB XPP

84specifications compared
14differ
70identical
7known for one product only

Key differences

The Lenovo ThinkCentre S51 P4 3000 512MB 40GB XPP has 0.25 GB more internal memory than the Lenovo TS ThinkCentre A51 P4 530 256MB 80GB XPP (0.5 GB vs 0.25 GB). The Lenovo TS ThinkCentre A51 P4 530 256MB 80GB XPP has 40 GB more total storage capacity than the Lenovo ThinkCentre S51 P4 3000 512MB 40GB XPP (80 GB vs 40 GB). The Lenovo ThinkCentre S51 P4 3000 512MB 40GB XPP has 2 more USB 2.0 ports quantity than the Lenovo TS ThinkCentre A51 P4 530 256MB 80GB XPP (8 vs 6). Internal memory type: DDR-SDRAM on the Lenovo ThinkCentre S51 P4 3000 512MB 40GB XPP, DDR2-SDRAM on the Lenovo TS ThinkCentre A51 P4 530 256MB 80GB XPP. Optical drive type: CD-ROM on the Lenovo ThinkCentre S51 P4 3000 512MB 40GB XPP, DVD-ROM on the Lenovo TS ThinkCentre A51 P4 530 256MB 80GB XPP.

Internal memory
- ThinkCentre S51 P4 3000 512MB 40GB XPP:0.5 GB
- TS ThinkCentre A51 P4 530 256MB 80GB XPP:0.25 GB
Internal memory type
- ThinkCentre S51 P4 3000 512MB 40GB XPP:DDR-SDRAM
- TS ThinkCentre A51 P4 530 256MB 80GB XPP:DDR2-SDRAM
Total storage capacity
- ThinkCentre S51 P4 3000 512MB 40GB XPP:40 GB
- TS ThinkCentre A51 P4 530 256MB 80GB XPP:80 GB
Optical drive type
- ThinkCentre S51 P4 3000 512MB 40GB XPP:CD-ROM
- TS ThinkCentre A51 P4 530 256MB 80GB XPP:DVD-ROM
USB 2.0 ports quantity
- ThinkCentre S51 P4 3000 512MB 40GB XPP:8
- TS ThinkCentre A51 P4 530 256MB 80GB XPP:6
Power supply
- ThinkCentre S51 P4 3000 512MB 40GB XPP:225 W
- TS ThinkCentre A51 P4 530 256MB 80GB XPP:310 W
Chassis type
- ThinkCentre S51 P4 3000 512MB 40GB XPP:SFF
- TS ThinkCentre A51 P4 530 256MB 80GB XPP:Tower
Width
- ThinkCentre S51 P4 3000 512MB 40GB XPP:127 mm
- TS ThinkCentre A51 P4 530 256MB 80GB XPP:178 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre S51 P4 3000 512MB 40GB XPP, TS ThinkCentre A51 P4 530 256MB 80GB XPP
91 specifications	A Lenovo ThinkCentre S51 P4 3000 512MB 40GB XPP View product	B Lenovo TS ThinkCentre A51 P4 530 256MB 80GB XPP View product
Memory2 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Internal memory typeDiffers	DDR-SDRAM	DDR2-SDRAM
Maximum internal memoryKnown for one	2 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	40 GB	80 GB
Optical drive typeDiffers	CD-ROM	DVD-ROM
Storage drive typeKnown for one	Unknown — not stated by the source	SATA
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphicsidentical
Video adapter resolutionKnown for one	Unknown — not stated by the source	2048x1536 16777216 colors
Optical driveidentical
DVD read speedKnown for one	Unknown — not stated by the source	16x
CD read speedKnown for one	48x	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	8	6
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	225 W	310 W
Design1 differ
Chassis typeDiffers	SFF	Tower
Software1 differ
Bundled softwareDiffers	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)	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 & Recovery with Rapid Restore
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	-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	-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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