Product comparison · 2 modems

StarTech.com Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem vs StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -

17specifications compared
14differ
3identical
15known for one product only

Key differences

The StarTech.com Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem has 1 more modem (RJ-11) ports than the StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem - (2 vs 1). The StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem - has 17 mm more depth than the StarTech.com Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem (77 mm vs 60 mm). The StarTech.com Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem has 47 mm more height than the StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem - (67 mm vs 20 mm). Interface: PCI Express on the StarTech.com Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem, USB 2.0 on the StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -. Chipset: Conexant - CX95610 on the StarTech.com Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem, Conexant - CX93010-21Z on the StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -.

Interface
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:PCI Express
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:USB 2.0
Chipset
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:Conexant - CX95610
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:Conexant - CX93010-21Z
Modem (RJ-11) ports
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:2
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:1
Operating temperature (T-T)
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:0 - 40 °C
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:0 - 60 °C
Storage temperature (T-T)
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:-40 - 70 °C
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:-10 - 70 °C
Depth
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:60 mm
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:77 mm
Height
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:67 mm
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:20 mm
Weight
- Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem:37 g
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:28 g

Side by side

Differences highlightedShow differences only

Comparison of PEX56KIM, USB56KEMH2
32 specifications	A StarTech.com Internal PCI Express V.92 56K Data Fax Modem - PCIe Dial Up Modem Model PEX56KIM View product	B StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem - Model USB56KEMH2 View product
Modem2 differ
Modem speed	56 Kbit/s	56 Kbit/s
InterfaceDiffers	PCI Express	USB 2.0
ChipsetDiffers	Conexant - CX95610	Conexant - CX93010-21Z
Performanceidentical
Supported data transfer ratesKnown for one	Unknown — not stated by the source	56 Kbps Down, 36.6 Kbps Up, 14.4 Kbps Fax
Upstream data rateKnown for one	Unknown — not stated by the source	0.036 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	0.056 Mbit/s
Maximum fax transfer rateKnown for one	Unknown — not stated by the source	14.4 Kbps
Supported protocolsKnown for one	Unknown — not stated by the source	Modem ITU-T V.92 / V.90, V.34, V.32bis, V.32, V.22bis, V.22, V.23, V.21 Bell 212A, Bell 103 Fax V.17, V.29, V.27 Ter, V.21 channel 2 Data V.44, V.42bis, MNP 5
Data compressionKnown for one	V.44	Unknown — not stated by the source
Featuresidentical
LED indicatorsKnown for one	Unknown — not stated by the source	Data
Ports & interfaces1 differ
Modem (RJ-11) portsDiffers	2	1
System requirements1 differ
Compatible operating systemsDiffers	Windows 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), Windows Server 2008 R2, 2003(32/64)	- Windows 7, 8, 8.1, 10 - Windows Server 2008 R2, 2012 R2, 2016, 2019 - Mac OS 10.9 to 10.10 - Linux kernel 3.16 to 4.4 LTS
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS, CE, Federal Communications Commission (FCC), REACH, Trade Agreements Act (TAA)
CertificationKnown for one	Unknown — not stated by the source	CE, FCC, RoHS, REACH, TAA
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 60 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage temperature (T-T)Differs	-40 - 70 °C	-10 - 70 °C
Weight & dimensions4 differ
DepthDiffers	60 mm	77 mm
HeightDiffers	67 mm	20 mm
WeightDiffers	37 g	28 g
WidthDiffers	19 mm	27 mm
Packaging contentidentical
Cables included	Phone (RJ-11)	Phone (RJ-11)
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Packaging data4 differ
Package depthDiffers	142 mm	166 mm
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	136 x 163 x 32 mm
Package heightDiffers	30 mm	36 mm
Package weightDiffers	100 g	136 g
Package widthDiffers	174 mm	139 mm
Logistics dataidentical
Master (outer) case heightKnown for one	Unknown — not stated by the source	369 mm
Master (outer) case lengthKnown for one	Unknown — not stated by the source	379 mm
Master (outer) case widthKnown for one	Unknown — not stated by the source	725 mm
Products per master (outer) caseKnown for one	Unknown — not stated by the source	100 pc(s)

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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