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🚀 Elevate your network game with dual-port gigabit speed — don’t get left buffering!
This Gigabit Dual NIC features the Intel 82576 controller delivering stable 1Gbps speeds via dual RJ45 ports, compatible with PCIe 2.1 x1 slots. Designed for professional environments, it supports a broad range of Windows and Linux OS, includes both low-profile and full-height brackets for easy installation, and comes with 3 years warranty plus lifetime tech support.
| ASIN | B074PQWQB5 |
| Best Sellers Rank | #27 in Internal Computer Networking Cards |
| Brand | H!Fiber.com |
| Built-In Media | 2 RJ45 |
| Color | 1 Pack |
| Compatible Devices | Windows 7/8/10/11, Windows Server 2008/2012/2016/2019, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11,FreeBSD 10/11/12, Vmware Esxi 5/6, SLSE 11/12. (Not support Vmware Esxi 7.0, Mac OS and Bypass Mode) Compatible Devices Windows 7/8/10/11, Windows Server 2008/2012/2016/2019, Centos/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11,FreeBSD 10/11/12, Vmware Esxi 5/6, SLSE 11/12. (Not support Vmware Esxi 7.0, Mac OS and Bypass Mode) See more |
| Compatible Operating System Family | Linux, Windows |
| Customer Reviews | 4.5 out of 5 stars 557 Reviews |
| Data Link Protocol | Ethernet |
| Data Transfer Rate | 1 gigabits_per_second |
| Hardware Interface | PCI Express x1 |
| Item Dimensions L x W x H | 8.8"L x 1.2"W x 5.7"H |
| Manufacturer | H!Fiber.com |
| Mfr Part Number | 82576-2T-X1-US |
| Model Number | 82576-2T-X1-US |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Dimensions | 8.8"L x 1.2"W x 5.7"H |
| UPC | 602693072175 |
| Unit Count | 1 Count |
| Warranty Description | 3 Year Manufacturer |
M**9
pFsense and OpenMediaVault recognized this card with no issues
Used two of these - one in a pFsense box and one in an OpenMediaVault box. The pFsense box had no problem recognizing it. I backed up the existing pFsense configuration, pulled the old quad NIC Intel board, and replaced it with one of these (the quad NIC Intel board was being freed up for use in a ProxMox VM machine). I edited the pFsense config XML and replaced the existing WAN, LAN, and VLAN IDs to the old quad NIC board with the IDs for this new board (I was only using 2 of the 4 interfaces on the quad NIC, as I've resorted to using VLANs rather than physical NICs to isolate LAN, IoT, and Guest networks). I was able to restore the pFsense box with the modified backup config XML and it rebooted with no problem, showing gigabit speeds on both the WAN and LAN side. The second one of these devices I installed in an OpenMediaVault NAS, and the Intel NICs on this board showed a significant speed increase over the Realtek NIC on the motherboard; transfer speeds from the OMV box to a TrueNAS VM running under ProxMox showed a speed increase of about 600mbps from the Realtek NIC to 900+mbps using the newly installed Intel NIC. Quite happy with my purchase - I purchased a third one which will likely find its way into another pFsense build for a family member.
R**S
Intel I350AM2 NIC
Simple dual Intel NIC for standard or low profile systems. I'm using it for pfSense. The driver used is igb (iflib for pfSense) version. Works without any special install for windows and linux. It uses the the standard 1gig speed. For only $25, the value is perfect.
A**R
Passing packets like a champ
Working great so far in an old pc repurposed as an opnsense firewall. Installer found and configured both ports with no trouble
C**.
Reliable and cost effective
Works great, no issues at all. Recognized by windows and linux server. Fast.
B**U
Might not work
I needed a 2-port NIC that fits into a x1 PCI-E slot. If you want an Intel chipset then the options are pretty limited. When I installed it, Windows didn't recognize it. So I looked on the CD for drivers. It seems it stopped at Win10. Device manager gives me a code 56. It's possible that the driver conflicts with another NIC I have in the system so maybe it's not the card's fault. Hence, I am only deducting one star.
J**J
Working Drivers and Hardware
No issues with this NIC. Works great for expanding a VM server's available interfaces. Worked on a Windows Server and a BSD Unix server.
J**H
runs on linux
decent, runs on debian
J**M
Works as intended.
Got this after. My internal built in ethernet port started to go bad. It works! Put it in my motherboard and turned on the puter and it was installed and worked automatically. That's all you can ask for.
V**N
Perfekter Ersatz
Die HiFiber 1.25G Ethernet Netzwerk-Karte RJ45 NIC 1.25GbE CNA ist ein richtig praktischer Zusatz, besonders wenn das Mainboard-Netzwerk mal Probleme macht. Sie wurde bei mir sofort erkannt und lief ohne komplizierte Einrichtung stabil. Die Verbindung ist zuverlässig und schnell, genau wie man es für 1.25GbE erwarten würde. Ideal als Backup-Lösung oder wenn man einfach eine stabile Alternative zum onboard LAN haben möchte. Insgesamt ein super unkompliziertes und nützliches Upgrade
P**E
Perfect
Really easy install and perfect working order.
E**C
ESX 8 Works Great!
Works great in my ESX 8.0.3 server
U**M
quick delivery and working fine
happy to get this network card i recommend this
T**G
Substandard Intel clone
Buyer beware... H!Fiber Gigabit 2 Port NIC - Diagnostic Report Amazon ASIN: B07KG3R2RF Date: 2026-07-03 ISSUE: Card advertised as "Gigabit 2 Port NIC" with "10/100/1000Mbps" capability, but both ports negotiate 100Mbps maximum. EVIDENCE: 1. Subsystem vendor is NOT Intel: Subsystem: Beijing Sinead Technology Co., Ltd. Device 0308 (Genuine Intel cards show: Subsystem: Intel Corporation) 2. Port 0 (lan0) firmware only ADVERTISES 100Mbps: Advertised link modes: 100baseT/Full (Missing: 10baseT/Half, 10baseT/Full, 100baseT/Half, 1000baseT/Full) 3. Port 1 (wan0) advertises all modes including gigabit but still negotiates 100Mbps only: Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Speed: 100Mb/s 4. Both ports support gigabit at the hardware level: Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full 5. Testing methodology: - Multiple Cat6 cables tested - All cables verified gigabit-capable with other devices - Switch ports confirmed working at 1000Mbps with other devices - Same cable + same switch port = 1000Mbps with other device, 100Mbps with this NIC 6. Speed test through NIC: 91 Mbps down / 91 Mbps up ISP speed (tested from another device): 333 Mbps down / 130 Mbps up NIC is the bottleneck. 7. Firmware version: 1.63, 0x800009fb, 1.791.0 Driver: igb (Intel kernel driver loads, confirming I350 chipset) CONCLUSION: The card uses an Intel I350 chipset but is manufactured by "Beijing Sinead Technology Co., Ltd." with defective EEPROM configuration and/or substandard analog components. The product does not deliver the advertised gigabit capability on either port. This constitutes a product that does not match its advertised specifications. SYSTEM TESTED ON: - Debian 13.5 (Linux 6.12.94) - Acer Aspire AX3400-E3212 - PCIe link: Speed 5GT/s, Width x4 (full I350 specification) If you need 1000 Mbps from both ports, look elsewhere.
Trustpilot
3 weeks ago
1 month ago