Product comparison · 2 network cards

Lenovo 4X90S91831 network card Ethernet vs Yealink WF50 WLAN 433 Mbit/s

7specifications compared
4differ
3identical
15known for one product only

Key differences

Connectivity technology
- 4X90S91831 network card Ethernet:Wired
- WF50 WLAN 433 Mbit/s:Wireless
Host interface
- 4X90S91831 network card Ethernet:USB Type-C
- WF50 WLAN 433 Mbit/s:USB
Interface
- 4X90S91831 network card Ethernet:Ethernet
- WF50 WLAN 433 Mbit/s:WLAN
Weight
- 4X90S91831 network card Ethernet:44 g
- WF50 WLAN 433 Mbit/s:28 g

Side by side

Differences highlightedShow differences only

Comparison of 4X90S91831, WF50
22 specifications	A Lenovo 4X90S91831 network card Ethernet Model 4X90S91831 View product	B Yealink WF50 WLAN 433 Mbit/s Model WF50 View product
Ports & interfaces3 differ
Connectivity technologyDiffers	Wired	Wireless
Host interfaceDiffers	USB Type-C	USB
InterfaceDiffers	Ethernet	WLAN
USB versionKnown for one	Unknown — not stated by the source	2.0
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Networkidentical
Maximum data transfer rateKnown for one	Unknown — not stated by the source	433 Mbit/s
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Wi-Fi bandKnown for one	Unknown — not stated by the source	Dual-band (2.4 GHz / 5 GHz)
Frequency rangeKnown for one	Unknown — not stated by the source	2.4 - 5 GHz
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac)
Security algorithmsKnown for one	Unknown — not stated by the source	WEP, WPA, WPA-PSK, WPA2, WPA2-Enterprise, WPA2-PSK
Designidentical
Internal	No	No
Product colour	Black	Black
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	-10 - 50 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-30 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	27 mm
DepthKnown for one	Unknown — not stated by the source	52 mm
HeightKnown for one	Unknown — not stated by the source	8 mm
WeightDiffers	44 g	28 g
Logistics dataidentical
Harmonized System (HS) code	85176990	85176990

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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