Product comparison · 2 network cards

Lenovo 4X90S91831 network card Ethernet vs Lenovo 4XC7A08229 network card Internal Fiber 40000 Mbit/s

5specifications compared
4differ
1identical
13known for one product only

Key differences

Host interface
- 4X90S91831 network card Ethernet:USB Type-C
- 4XC7A08229 network card Internal Fiber 40000 Mbit/s:PCI Express
Interface
- 4X90S91831 network card Ethernet:Ethernet
- 4XC7A08229 network card Internal Fiber 40000 Mbit/s:Fiber
Internal
- 4X90S91831 network card Ethernet:No
- 4XC7A08229 network card Internal Fiber 40000 Mbit/s:Yes
Product colour
- 4X90S91831 network card Ethernet:Black
- 4XC7A08229 network card Internal Fiber 40000 Mbit/s:Green

Side by side

Differences highlightedShow differences only

Comparison of 4X90S91831, 4XC7A08229
18 specifications	A Lenovo 4X90S91831 network card Ethernet Model 4X90S91831 View product	B Lenovo 4XC7A08229 network card Internal Fiber 40000 Mbit/s Model 4XC7A08229 View product
Ports & interfaces2 differ
Connectivity technology	Wired	Wired
Host interfaceDiffers	USB Type-C	PCI Express
InterfaceDiffers	Ethernet	Fiber
Fiber optic connectorKnown for one	Unknown — not stated by the source	QSFP28
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	40000 Mbit/s
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 1588v2, IEEE 802.1Q, IEEE 802.1Qau, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1Qbg, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3ap, IEEE 802.3az, IEEE 802.3ba, IEEE 802.3by
Design2 differ
InternalDiffers	No	Yes
Component forKnown for one	Unknown — not stated by the source	Server
Product colourDiffers	Black	Green
CertificationKnown for one	Unknown — not stated by the source	CB / cTUVus / CE EMC: CE / FCC / VCCI / ICES / RCM RoHS: RoHS-R6
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	69 mm
WeightKnown for one	44 g	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85176990	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.

More network card comparisons

All network card comparisons