Product comparison · 2 interface cards/adapters

APC Smart-UPS VT Parallel Maintenance Bypass Kit vs StarTech.com 2 Port PCI RS-422/485 Card w/ DB9

Key differences

Host interface
- Smart-UPS VT Parallel Maintenance Bypass Kit:Parallel
- 2 Port PCI RS-422/485 Card w/ DB9:PCI-X
Width
- Smart-UPS VT Parallel Maintenance Bypass Kit:470 mm
- 2 Port PCI RS-422/485 Card w/ DB9:65 mm
Depth
- Smart-UPS VT Parallel Maintenance Bypass Kit:230 mm
- 2 Port PCI RS-422/485 Card w/ DB9:120 mm
Weight
- Smart-UPS VT Parallel Maintenance Bypass Kit:1.73 kg
- 2 Port PCI RS-422/485 Card w/ DB9:130 g

Differences highlightedShow differences only

Comparison of Smart-UPS VT Parallel Maintenance Bypass Kit, 2 Port PCI RS-422/485 Card w/ DB9
17 specifications	A APC Smart-UPS VT Parallel Maintenance Bypass Kit View product	B StarTech.com 2 Port PCI RS-422/485 Card w/ DB9 View product
Ports & interfaces1 differ
Host interfaceDiffers	Parallel	PCI-X
Connector(s)Known for one	Unknown — not stated by the source	2 - DB9 M
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-50 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	470 mm	65 mm
DepthDiffers	230 mm	120 mm
HeightKnown for one	70 mm	Unknown — not stated by the source
WeightDiffers	1.73 kg	130 g
Packaging dataidentical
Package weightKnown for one	1.91 kg	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	Unknown — not stated by the source
Other featuresidentical
Connectivity technology	Wired	Wired
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Package dimensions (WxDxH)Known for one	483 x 279 x 203 mm	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	0.921 Mbit/s
Featuresidentical
ChipsetKnown for one	Unknown — not stated by the source	Oxford OX16PCI952

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.