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Small green circuit board with gold edge connector and short flat cable ending in RJ45 port

Vszerda

Vszerda N37472-3 M.2 B/M Key to RJ45 1Gbps network card

SKU CH-MWTY-GRF50

Adds a 1000 Mbps Ethernet port via M.2 B/M key slot using Realtek RTL8111H chip with 30 cm cable

  • StandardsEthernet
  • Speed1000 megabits_per_second
  • ConnectorsEthernet
  • FeaturesDesktop
  • Gigabit Ethernet speed up to 1000 Mbps for fast wired networking
  • Realtek RTL8111H chip delivers reliable 10/100/1000 Mbps transmission
  • Gold-plated contacts resist oxidation and corrosion for stable long-term connection
  • Broad OS support including Windows 7 through 10 Server 2008R2 2012 2016 2019 Linux 2.6.31-4.11.x LTS
  • Flexible M.2 B-Key M-Key design fits desktop mini PCIe slots with 30 cm cable

M.2 B/M Key Gigabit Adapter

The Vszerda N37472-3 converts an M.2 B-Key or M-Key slot into a single RJ45 port running at 10, 100 or 1000 megabits per second. It uses the Realtek RTL8111H controller and includes a 30cm cable for flexible placement. The card targets desktop builders who need a wired Ethernet link on platforms lacking an onboard port.

Upgrade from Missing or Failed Ports

This adapter replaces a missing onboard Ethernet controller or a damaged RJ45 jack without occupying a full-size expansion slot. The jump is worthwhile when a system has a free M.2 slot wired for PCIe and the operating system is among the supported Windows or Linux releases listed in the specifications.

Build Integration

The board plugs directly into an M.2 B-Key or M-Key connector and draws power from that slot, so no auxiliary power cable is required. A 30cm flat cable routes the RJ45 jack to a chassis cutout or bracket, freeing the motherboard area for other components. Driver support covers Windows 7 through 10, Windows Server 2008R2 through 2019, and Linux kernel 2.6.31 to 4.11 LTS.

Highlights

  • Gigabit Ethernet speed up to 1000 Mbps for fast wired networking
  • Realtek RTL8111H chip delivers reliable 10/100/1000 Mbps transmission
  • Gold-plated contacts resist oxidation and corrosion for stable long-term connection
  • Broad OS support including Windows 7 through 10 Server 2008R2 2012 2016 2019 Linux 2.6.31-4.11.x LTS
  • Flexible M.2 B-Key M-Key design fits desktop mini PCIe slots with 30 cm cable

Specifications

BrandVszerda
Part NumberN37472-3
StandardsEthernet
Speed1000 megabits_per_second
ConnectorsEthernet
FeaturesDesktop

Questions about this item

What M.2 key types does the Vszerda N37472-3 adapter card accept?

The adapter card fits both M.2 B-Key and M-Key slots, so it can be installed in either keyed socket on the motherboard.

Which step is often missed when installing the Realtek RTL8111H gigabit adapter?

The 30 cm flat cable must be plugged into the adapter card first, then the card seated in the M.2 slot; skipping the cable connection leaves the RJ45 port inactive.

How often should the gold-plated fingers on the Vszerda N37472-3 be cleaned to maintain reliable contact?

The thick gold plating resists oxidation and corrosion, so no routine cleaning is needed; only wipe with a dry lint-free cloth if dust builds up after prolonged use.

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