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ShopNIC & Network AdaptersLenovo 4XC1K83390 network card Internal Ethernet 1000 Mbit/s
Lenovo 4XC1K83390 network card Internal Ethernet 1000 Mbit/s

Lenovo 4XC1K83390 network card Internal Ethernet 1000 Mbit/s

£96.01

£115.21 inc. VAT

Out of Stock(0)MPN: 4XC1K83390
🚚 Next-day delivery £4.95
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Key Features

Broadcom BCM5720-2P
Network adapter
PCI Express x1 low profile
Gigabit Ethernet x 2
for ThinkPad L15 Gen 4, ThinkStation P3, P360, P520, P520c, P620, P720, P920

Product Overview

AI-generated summary

For a straight-laced 1GbE internal network card, this Lenovo-branded option looks like one of those “it just works” buys—especially if you’re repairing or standardising fleet equipment from Lenovo. The big selling point at this price (£96 ex-VAT) isn’t raw performance; it’s predictability: drivers and compatibility are usually less of a headache in Lenovo servers/workstations than with generic third-party NICs. If you’ve got a machine that’s already set up for Lenovo’s ecosystem, you’ll likely spend your time fixing the downtime, not chasing weird link issues.

That said, I wouldn’t buy it for a random DIY build or a non-Lenovo platform unless you’re sure the firmware/driver story is sorted for your exact model and OS. In many cases, you can get comparable 1GbE performance cheaper, so the value here is mainly “right part for the right machine” rather than “best deal on the market.” Buy this if you’re maintaining Lenovo infrastructure and want low-risk compatibility; skip it if you’re shopping purely on price for a non-standard host.

Specifications

Ports & interfaces

Connectivity technologyWired
Host interfacePCI Express
InterfaceEthernet
Ethernet LAN (RJ-45) ports2

Network

Maximum data transfer rate1000 Mbit/s
Networking standardsIEEE 802.3ab,IEEE 802.3az,IEEE 802.3x
Ethernet LANY
Ethernet interface typeGigabit Ethernet
Ethernet LAN data rates10,100,1000 Mbit/s

Design

Component forServer
InternalY
CertificationCE/FCC/IC/ACA/BSM/MSIP/VCCI
Compatible productsThinkStation

Operational conditions

Operating temperature (T-T)0 - 55 °C
Operating relative humidity (H-H)5 - 95 %

Weight & dimensions

Width111.76 mm
Depth65.58 mm
Weight80 g

Packaging data

Package width177 mm
Package depth144 mm
Package height53 mm
Package weight120 g

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