Product comparison · 2 network cards

InLine 51125T network card Internal Ethernet 2500 Mbit/s vs InLine 66659N network card Fiber 1000 Mbit/s

23specifications compared
18differ
5identical
21known for one product only

Key differences

Host interface
- 51125T network card Internal Ethernet 2500 Mbit/s:PCI Express
- 66659N network card Fiber 1000 Mbit/s:USB
Interface
- 51125T network card Internal Ethernet 2500 Mbit/s:Ethernet
- 66659N network card Fiber 1000 Mbit/s:Fiber
Maximum data transfer rate
- 51125T network card Internal Ethernet 2500 Mbit/s:2500 Mbit/s
- 66659N network card Fiber 1000 Mbit/s:1000 Mbit/s
Jumbo frames
- 51125T network card Internal Ethernet 2500 Mbit/s:16000
- 66659N network card Fiber 1000 Mbit/s:9000
Internal
- 51125T network card Internal Ethernet 2500 Mbit/s:Yes
- 66659N network card Fiber 1000 Mbit/s:No
Chipset
- 51125T network card Internal Ethernet 2500 Mbit/s:Realtek RTL8125B
- 66659N network card Fiber 1000 Mbit/s:Realtek RTL8153
Width
- 51125T network card Internal Ethernet 2500 Mbit/s:85 mm
- 66659N network card Fiber 1000 Mbit/s:45 mm
Depth
- 51125T network card Internal Ethernet 2500 Mbit/s:1.07 mm
- 66659N network card Fiber 1000 Mbit/s:270 mm

Side by side

Differences highlightedShow differences only

Comparison of 51125T, 66659N
44 specifications	A InLine 51125T network card Internal Ethernet 2500 Mbit/s Model 51125T View product	B InLine 66659N network card Fiber 1000 Mbit/s Model 66659N View product
Ports & interfaces2 differ
Connectivity technology	Wired	Wired
Host interfaceDiffers	PCI Express	USB
InterfaceDiffers	Ethernet	Fiber
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
PCI versionKnown for one	2.1	Unknown — not stated by the source
Fiber optic connectorKnown for one	Unknown — not stated by the source	SFP
Fiber ports quantityKnown for one	Unknown — not stated by the source	1
USB connector form factorKnown for one	Unknown — not stated by the source	Straight
USB versionKnown for one	Unknown — not stated by the source	3.2 Gen 1 (3.1 Gen 1)
Network3 differ
Maximum data transfer rateDiffers	2500 Mbit/s	1000 Mbit/s
Networking standardsDiffers	IEEE 802.3bz, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3, IEEE 802.3x, IEEE 802.1ad, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3az, IEEE 1588, IEEE 1588v2, IEEE 802.1as	IEEE 802.3az, IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.1Q
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Jumbo framesDiffers	16000	9000
Jumbo frames support	Yes	Yes
VLAN support	Yes	Yes
Maximum operating distanceKnown for one	100 m	Unknown — not stated by the source
Design2 differ
InternalDiffers	Yes	No
Component forKnown for one	PC	Unknown — not stated by the source
ChipsetDiffers	Realtek RTL8125B	Realtek RTL8153
Country of origin	Taiwan	Taiwan
System requirements1 differ
Windows operating systems supportedDiffers	Windows 10, Windows 11, Windows 7, Windows 8	Yes
Server operating systems supportedKnown for one	Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows Server 2008 R2, Windows Server 2012 R2	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Unknown — not stated by the source	MacOS
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 70 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 90%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	85 mm	45 mm
DepthDiffers	1.07 mm	270 mm
HeightDiffers	120 mm	18 mm
WeightDiffers	2 kg	47 g
Packaging data3 differ
Package widthDiffers	140 mm	125 mm
Package depthDiffers	150 mm	175 mm
Package height	30 mm	30 mm
Package weightDiffers	39 g	111 g
Package typeKnown for one	Unknown — not stated by the source	Hanging box
Packaging contentidentical
Mounting brackets includedKnown for one	Yes	Unknown — not stated by the source
Resource CDKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Technical details1 differ
Compliance certificatesDiffers	TÜV mark, Federal Communications Commission (FCC), CE	TÜV mark, CE
Other features2 differ
Dimensions (WxDxH)Differs	85 x 1.07 x 120 mm	45 x 270 x 18 mm
Package volumeDiffers	700 cm³	6500 cm³
Poweridentical
USB poweredKnown for one	Unknown — not stated by the source	Yes

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