Brainboxes PCI-e 8-port RS232 (25-pin) vs Brainboxes Universal Dual RS232 PCI card

Comparison of PCI-e 8-port RS232 (25-pin), Universal Dual RS232 PCI card

18 specifications	A Brainboxes PCI-e 8-port RS232 (25-pin)View product	B Brainboxes Universal Dual RS232 PCI cardView product
Ports & interfaces1 differ
Host interfaceDiffers	PCIe	PCI
Serial ports quantityKnown for one	—Unknown — not stated by the source	2
Connector(s)Known for one	25-pin	—Unknown — not stated by the source
Featuresidentical
Plug and PlayKnown for one	—Unknown — not stated by the source	Yes
Other features1 differ
Data transfer rateKnown for one	—Unknown — not stated by the source	0.1 Mbit/s
Platform	PC	PC
Connectivity technologyKnown for one	—Unknown — not stated by the source	Wired
Compatible operating systemsDiffers	Windows Server 2003 32/64-bit Windows XP 32/64-bit Windows Vista 32/64-bit Windows 2000	Windows 98/Me/NT/2000/XP/2003
Mac compatibilityKnown for one	—Unknown — not stated by the source	No
Power requirementsKnown for one	—Unknown — not stated by the source	3.3V; 5V
Slot typeKnown for one	—Unknown — not stated by the source	PCI 32/64-bit
I/O portsKnown for one	—Unknown — not stated by the source	2 x DB9
Ports quantityKnown for one	8	—Unknown — not stated by the source
Designidentical
CertificationKnown for one	RoHS, CE	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	110 mm	—Unknown — not stated by the source
DepthKnown for one	70 mm	—Unknown — not stated by the source
HeightKnown for one	15 mm	—Unknown — not stated by the source
WeightKnown for one	51 g	—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.