Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A55 + D221 vs Lenovo ThinkCentre A55 + L192

Key differences

Internal memory
- ThinkCentre A55 + D221:1 GB
- ThinkCentre A55 + L192:2 GB
USB 2.0 ports quantity
- ThinkCentre A55 + D221:8
- ThinkCentre A55 + L192:6
Power supply
- ThinkCentre A55 + D221:225 W
- ThinkCentre A55 + L192:280 W
Chassis type
- ThinkCentre A55 + D221:SFF
- ThinkCentre A55 + L192:Tower
Operating system installed
- ThinkCentre A55 + D221:Windows XP Professional
- ThinkCentre A55 + L192:Windows Vista Business
Display diagonal
- ThinkCentre A55 + D221:55.9 cm (22")
- ThinkCentre A55 + L192:48.3 cm (19")
Display resolution
- ThinkCentre A55 + D221:1680 x 1050 pixels
- ThinkCentre A55 + L192:1440 x 900 pixels
Contrast ratio (typical)
- ThinkCentre A55 + D221:700:1
- ThinkCentre A55 + L192:800:1

Differences highlightedShow differences only

Comparison of ThinkCentre A55 + D221, ThinkCentre A55 + L192
94 specifications	A Lenovo ThinkCentre A55 + D221 View product	B Lenovo ThinkCentre A55 + L192 View product
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	8	6
DVI portKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	225 W	280 W
Design1 differ
Chassis typeDiffers	SFF	Tower
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Display3 differ
Display diagonalDiffers	55.9 cm (22")	48.3 cm (19")
Display resolutionDiffers	1680 x 1050 pixels	1440 x 900 pixels
Contrast ratio (typical)Differs	700:1	800:1
Weight & dimensions4 differ
WidthDiffers	310 mm	175 mm
DepthDiffers	358 mm	440 mm
HeightDiffers	85 mm	402 mm
WeightDiffers	8.5 kg	10.2 kg

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.