Product comparison · 2 network cards

TP-Link TL-WN751ND network card Internal RF Wireless 150 Mbit/s vs TP-Link TL-WN851ND network card Internal WLAN 300 Mbit/s

28specifications compared
13differ
15identical
11known for one product only

Key differences

Interface
- TL-WN751ND network card Internal RF Wireless 150 Mbit/s:RF Wireless
- TL-WN851ND network card Internal WLAN 300 Mbit/s:WLAN
Maximum data transfer rate
- TL-WN751ND network card Internal RF Wireless 150 Mbit/s:150 Mbit/s
- TL-WN851ND network card Internal WLAN 300 Mbit/s:300 Mbit/s
WLAN data transfer rates supported
- TL-WN751ND network card Internal RF Wireless 150 Mbit/s:150 Mbit/s
- TL-WN851ND network card Internal WLAN 300 Mbit/s:300 Mbit/s
LED indicators
- TL-WN751ND network card Internal RF Wireless 150 Mbit/s:Yes
- TL-WN851ND network card Internal WLAN 300 Mbit/s:No
Certification
- TL-WN751ND network card Internal RF Wireless 150 Mbit/s:CE, FCC
- TL-WN851ND network card Internal WLAN 300 Mbit/s:CE, FCC, RoHS
Storage relative humidity (H-H)
- TL-WN751ND network card Internal RF Wireless 150 Mbit/s:5 - 90%
- TL-WN851ND network card Internal WLAN 300 Mbit/s:5 - 95%
Width
- TL-WN751ND network card Internal RF Wireless 150 Mbit/s:120.8 mm
- TL-WN851ND network card Internal WLAN 300 Mbit/s:133 mm
Depth
- TL-WN751ND network card Internal RF Wireless 150 Mbit/s:78.5 mm
- TL-WN851ND network card Internal WLAN 300 Mbit/s:121 mm

Side by side

Differences highlightedShow differences only

Comparison of TL-WN751ND, TL-WN851ND
39 specifications	A TP-Link TL-WN751ND network card Internal RF Wireless 150 Mbit/s Model TL-WN751ND View product	B TP-Link TL-WN851ND network card Internal WLAN 300 Mbit/s Model TL-WN851ND View product
Ports & interfaces1 differ
Connectivity technology	Wireless	Wireless
Host interface	PCI	PCI
InterfaceDiffers	RF Wireless	WLAN
Network4 differ
Maximum data transfer rateDiffers	150 Mbit/s	300 Mbit/s
Networking standards	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Wi-Fi	Yes	Yes
Wi-Fi band	Single-band (2.4 GHz)	Single-band (2.4 GHz)
Frequency range	2.4 - 2.4835 GHz	2.4 - 2.4835 GHz
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
WLAN data transfer rates supportedDiffers	150 Mbit/s	300 Mbit/s
ModulationDiffers	16-QAM, 64-QAM, OFDM	16-QAM, 64-QAM, CCK, DBPSK, DQPSK, OFDM
Security algorithmsDiffers	128-bit WEP, 64-bit WEP, WPA, WPA-AES, WPA-PSK, WPA-TKIP, WPA2, WPA2-PSK	128-bit WEP, 64-bit WEP, WPA, WPA-AES, WPA-PSK, WPA2
Design3 differ
Internal	Yes	Yes
Product colourKnown for one	Unknown — not stated by the source	Stainless steel
Antenna	Yes	Yes
Antenna designKnown for one	Unknown — not stated by the source	External
LED indicatorsDiffers	Yes	No
Receiver sensitivityDiffers	130M: -68dBm@10% PER 108M: -68dBm@10% PER 54M: -68dBm@10% PER 11M: -85dBm@8% PER 6M: -88dBm@10% PER 1M: -90dBm@8% PER	270M: -68dBm@10% PER 130M: -68dBm@10% PER 108M: -68dBm@10% PER 54M: -68dBm@10% PER 11M: -85dBm@8% PER 6M: -88dBm@10% PER 1M: -90dBm@8% PER
CertificationDiffers	CE, FCC	CE, FCC, RoHS
Component forKnown for one	PC	Unknown — not stated by the source
System requirements1 differ
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7(32/64bits), Windows Vista(32/64bits), Windows XP(32/64bits), Windows 2000
Windows operating systems supportedDiffers	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vi	Windows 2000, Windows 2000 Professional, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Hom
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)Differs	5 - 90%	5 - 95%
Weight & dimensions3 differ
WidthDiffers	120.8 mm	133 mm
DepthDiffers	78.5 mm	121 mm
HeightDiffers	21.5 mm	22 mm
Technical detailsidentical
Compliance certificates	RoHS	RoHS
Other featuresidentical
Gain	2 dBi	2 dBi
Antennas quantityKnown for one	Unknown — not stated by the source	2
Link/Act LEDKnown for one	Unknown — not stated by the source	No
Power LEDKnown for one	Unknown — not stated by the source	No
Wireless connectionKnown for one	Unknown — not stated by the source	Yes
Compliance industry standardsKnown for one	IEEE 802.11n, IEEE 802.11g, IEEE 802.11b	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Supported data transfer ratesKnown for one	11/54/150Mbps	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.

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