Jeirdus Intel 82546 Dual-Port Gigabit NIC

Jeirdus Intel 82546 Dual-Port Gigabit NIC — image 1
Jeirdus Intel 82546 Dual-Port Gigabit NIC — image 2
Jeirdus Intel 82546 Dual-Port Gigabit NIC — image 3
Jeirdus Intel 82546 Dual-Port Gigabit NIC — image 4
Jeirdus Intel 82546 Dual-Port Gigabit NIC — image 5
Jeirdus Intel 82546 Dual-Port Gigabit NIC — image 6
Jeirdus Intel 82546 Dual-Port Gigabit NIC — image 7
Jeirdus Intel 82546 Dual-Port Gigabit NIC — image 8
76%
24%
93%
Driver Compatibility
88%
Value for Money
79%
PCI Bus Compatibility
67%
Build Quality
91%
Bracket Inclusion & Flexibility
82%
TCP Segmentation & CPU Offload
78%
Interrupt Moderation
71%
Advanced Cable Diagnostics
84%
Dual-Port Utility
63%
Shipping & Packaging
86%
Thermal Performance
58%
BIOS & IRQ Compatibility
44%
Documentation & Support
76%
Link Aggregation & Failover Readiness
More

Overview

The Jeirdus Intel 82546 Dual-Port Gigabit NIC is a no-frills PCI network card aimed squarely at home lab builders, IT pros, and anyone keeping older desktop server hardware alive. Jeirdus is a third-party manufacturer that sources Intel's well-established 82546 chipset rather than designing proprietary silicon — a sensible move that delivers broad OS support out of the box. One thing to get straight before buying: this card uses a PCI or PCI-X slot, not PCIe. That distinction matters enormously. If your motherboard only has PCIe expansion slots, this card won't physically fit. For those working with legacy PCI infrastructure, though, it fills a genuine gap at a price that's hard to argue against.

Features & Benefits

The real draw of this dual-port NIC is what's under the hood: Intel's 82546 chipset, which integrates a dual MAC and PHY controller in a single package. Both RJ-45 ports handle 10/100/1000Base-T, making the card practical for link aggregation setups, traffic separation between a LAN and a management network, or basic failover configurations. TCP Segmentation Offload and Large Send Offload push packet-processing work off the host CPU — useful when running a busy virtualization stack. Interrupt Moderation keeps CPU overhead manageable under sustained network load. The included full-height and low-profile brackets mean you won't need to source the right bracket separately, which is a small but appreciated detail.

Best For

This Intel 82546 card hits its sweet spot with a specific crowd. Proxmox and ESXi users running virtualization on older PCI-equipped machines will appreciate the native driver support — the e1000 driver in most Linux kernels picks it up without manual intervention. It's equally at home in a pfSense or OPNsense box where two physical ports are needed and PCI remains the only expansion option. Small IT shops doing budget NIC replacements on aging workstations will find it practical. Worth noting: the PCI bus carries a shared bandwidth ceiling near 133 MB/s, so this isn't the right tool for high-throughput production workloads — it's a legacy-hardware solution, and it's upfront about that.

User Feedback

Buyers consistently highlight plug-and-play recognition as the standout positive — especially on Linux and VMware ESXi, where the card appears cleanly without hunting down third-party drivers. The bundled low-profile bracket gets frequent praise too, since it spares users a separate parts hunt. On the downside, a handful of buyers report IRQ conflicts on very old motherboards where PCI resource allocation gets complicated, so checking BIOS settings before installation is worth a few minutes. Build quality feedback lands in the middle: most describe the Jeirdus PCI adapter as functional and solid enough relative to its price, though expectations should stay grounded. A small number of users mention DOA units, so buying from a seller with a straightforward return policy is advisable.

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Pros

  • Linux, ESXi, and BSD pick up the Intel 82546 chipset automatically — no manual driver installation needed in most setups.
  • Two RJ-45 Gigabit ports on a single card saves a slot compared to running two separate single-port NICs.
  • Both full-height and low-profile brackets are included in the box, covering most case form factors without extra sourcing.
  • TCP Segmentation Offload and Large Send Offload reduce CPU strain on older processors running busy virtualization workloads.
  • The 82546 chipset runs entirely passively and stays cool without dedicated airflow in typical lab conditions.
  • Interrupt Moderation keeps CPU interrupt counts manageable during sustained file transfers or streaming sessions.
  • Mature Intel silicon means community documentation, forum support, and OS compatibility guides are abundant and easy to find.
  • Advanced Cable Diagnostics lets you check physical link integrity without pulling cables or using a separate cable tester.
  • The price makes this dual-port NIC one of the most affordable ways to add redundant Gigabit to legacy PCI hardware.

Cons

  • PCI and PCIe are frequently confused — buyers who order without checking their slot type will need to return the card.
  • Shared PCI bus bandwidth limits aggregate throughput significantly when both ports are under simultaneous heavy load.
  • A measurable minority of buyers report receiving dead-on-arrival units, with minimal recourse from the manufacturer.
  • Jeirdus offers no meaningful customer support — resolving defects depends almost entirely on the seller's return policy.
  • Minimal packaging protection means the card occasionally arrives with physical scuffs or bent bracket pins.
  • Windows Server 2019 and 2022 users may need to manually download Intel PROSet drivers for full functionality.
  • Very old motherboards with rigid PCI IRQ steering can require manual BIOS configuration to avoid resource conflicts.
  • No product documentation is included or available from Jeirdus — setup relies entirely on community resources.
  • The low-profile bracket occasionally misaligns slightly in certain chassis designs, requiring minor fitting adjustments.

Ratings

The scores below for the Jeirdus Intel 82546 Dual-Port Gigabit NIC were generated by our AI engine after analyzing verified buyer reviews from multiple global marketplaces, with spam, bot-submitted, and incentivized feedback actively filtered out. We assessed this dual-port NIC across categories that genuinely matter to its target audience — home lab builders, IT administrators, and legacy hardware maintainers — rather than applying a generic consumer-electronics lens. Both the recurring strengths and the friction points buyers actually encountered are reflected honestly in every score.

Driver Compatibility
93%
The Intel 82546 chipset is one of the most broadly supported pieces of networking silicon in existence. Linux kernels load the e1000 driver automatically, VMware ESXi recognizes it without any VIB installation, and BSD-based systems like pfSense handle it cleanly. For home lab users running Proxmox or ESXi on repurposed hardware, this is the card that just works.
Windows Server 2019 and 2022 users occasionally report needing to manually source the Intel PROSet driver package, as inbox drivers on newer Windows builds can be incomplete. It is a minor hurdle, but not entirely plug-and-play on every modern Windows environment.
Value for Money
88%
Getting two Intel-chipset Gigabit ports on a single PCI card at this price is genuinely difficult to beat, especially for anyone maintaining legacy server hardware. Buyers consistently note that sourcing an equivalent OEM Intel branded card — even used — would cost significantly more, making this Intel 82546 card an attractive option for budget-conscious lab builds.
A small but notable percentage of buyers received dead-on-arrival units, which undermines the value proposition when a replacement has to be arranged. If the DOA rate is even 5%, the effective cost per working card edges higher than the sticker price suggests.
PCI Bus Compatibility
79%
21%
Supporting both 32-bit and 64-bit PCI-X 1.0 and PCI 2.2 buses gives this dual-port NIC a wider berth than single-format cards. IT administrators repurposing a range of older rack servers and workstations appreciate not having to pre-screen every board for bus width before ordering.
The PCI interface is the card's most significant limitation and the source of the most common buyer frustration — many users confuse PCI with PCIe and return the card immediately. Even for confirmed PCI boards, shared bus bandwidth caps throughput well below theoretical Gigabit speeds under simultaneous dual-port load, which can surprise buyers expecting full-duplex 1 Gbps per port.
Build Quality
67%
33%
Most buyers describe the physical construction as functional and adequately solid for a card in this price bracket. The PCB feels reasonably robust, solder joints look clean on inspection, and the gold-plated edge connector holds up fine through normal installation and re-seating cycles.
The card does not feel like OEM Intel quality — the component selection and board finish have a noticeable third-party character. A handful of reviewers report the RJ-45 port retention clips feeling slightly loose, which could be a concern in environments where cables get pulled frequently.
Bracket Inclusion & Flexibility
91%
Shipping both a full-height and a low-profile bracket in the box is a detail that buyers genuinely appreciate. For anyone fitting the Jeirdus PCI adapter into a compact server chassis or a small-form-factor desktop, not having to hunt down or fabricate a low-profile bracket saves real time and frustration.
The bracket attachment mechanism uses a standard screw fitting, but a few users note the screw holes on the low-profile bracket align slightly off on certain chassis designs, requiring minor filing or a washer to sit flush. Not a widespread issue, but worth mentioning for users with precision mounting requirements.
TCP Segmentation & CPU Offload
82%
18%
TCP Segmentation Offload and Large Send Offload are legitimately useful on aging hardware where the host CPU is already stretched thin running a hypervisor. Home lab users running multiple VMs simultaneously report noticeably lower network-related CPU spikes after switching to this card from older NICs lacking offload support.
TSO and LSO effectiveness is inherently constrained by the PCI bus ceiling. In practice, the offload features matter most at sustained loads, and the shared PCI bandwidth becomes the bottleneck before the chipset's offload capabilities are fully exercised under dual-port traffic.
Interrupt Moderation
78%
22%
Interrupt Moderation keeps CPU utilization manageable during extended file transfers and streaming workloads, which is particularly valuable on older processors without aggressive idle management. Several ESXi users specifically called out reduced CPU interrupt counts in their hypervisor dashboards after deployment.
Tuning interrupt moderation settings requires command-line access and familiarity with ethtool on Linux, which places it out of reach for less experienced users. Default moderation levels work acceptably but are not optimized out of the box for every use case.
Advanced Cable Diagnostics
71%
29%
Having on-board cable diagnostic capability is genuinely useful in a lab or small office setting where a dedicated cable tester is not always on hand. IT staff troubleshooting link failures on a dense patch panel can use this feature to quickly identify a bad run without pulling the cable.
The diagnostics are accessible primarily through Intel's PROSet utilities or ethtool on Linux, meaning the feature is effectively invisible to users who do not know to look for it. No front-facing LED or simple indicator gives passive cable status information.
Dual-Port Utility
84%
Having two independent Gigabit ports on a single card is what sets this Intel 82546 card apart from single-port alternatives at a similar price. pfSense and OPNsense builders use both ports for WAN and LAN separation on a single card, which tidies up slot usage considerably on boards with limited expansion.
Under simultaneous heavy traffic on both ports, the shared PCI bus creates contention that limits aggregate throughput. This is a hardware architecture reality, not a defect, but buyers expecting two independent full-speed Gigabit channels will find the actual throughput lower than anticipated.
Shipping & Packaging
63%
37%
The majority of buyers report the card arriving intact and functional, with the brackets and mounting screw included in the box without anything missing. For a low-cost item shipped from an overseas manufacturer, that baseline reliability is worth acknowledging.
Packaging protection is minimal — typically a static bag inside a small cardboard box with no foam padding. Several buyers note the card arriving with bent bracket pins or slight PCIe connector scuffing, suggesting the packaging does not absorb shipping impacts well. DOA reports, while a minority, cluster around this issue.
Thermal Performance
86%
The 82546 chipset runs cool passively under typical home lab workloads. Users running this dual-port NIC in enclosed server chassis without dedicated NIC airflow report no thermal throttling or heat-related instability during extended operation.
In very high-ambient-temperature environments or tightly packed chassis with poor airflow, a small number of users report occasional link drops that resolve after improving case ventilation. The chip has no active cooling and relies entirely on passive airflow from the case.
BIOS & IRQ Compatibility
58%
42%
On most PCI boards manufactured within the last decade of PCI production, the card installs and initializes cleanly without any manual BIOS configuration. The Intel chipset negotiates PCI resources predictably, which keeps setup straightforward in the majority of real-world deployments.
On very old motherboards — particularly boards from the early 2000s with rigid PCI IRQ steering — users report conflicts that require manual IRQ assignment in BIOS or ACPI tweaking. This is a niche issue, but it has caused genuine headaches for users working with the oldest supported hardware.
Documentation & Support
44%
56%
Because the card uses a well-known Intel chipset, community documentation is abundant. Linux kernel wikis, VMware compatibility guides, and home lab forums have covered the 82546 extensively for years, meaning answers to most setup questions are a quick search away.
Jeirdus itself provides essentially no product-specific documentation, and customer support response times are widely described as slow or non-existent. Buyers dealing with a DOA unit or a compatibility edge case are largely on their own unless the seller's return policy covers them.
Link Aggregation & Failover Readiness
76%
24%
The dual-port design makes this Intel 82546 card a practical choice for basic LACP bonding or active-passive failover configurations in a home lab. Linux bonding drivers handle the card cleanly, and Proxmox users in particular appreciate having both ports available under a single bond interface.
Actual aggregated throughput is constrained by the PCI bus, so link aggregation on this card is more useful for redundancy than for raw bandwidth gains. Users expecting a meaningful speed increase from bonding two Gigabit ports will be disappointed by the underlying bus limitations.

Suitable for:

The Jeirdus Intel 82546 Dual-Port Gigabit NIC is built for a specific kind of buyer, and that buyer will find it genuinely useful. Home lab enthusiasts spinning up Proxmox clusters or ESXi hosts on repurposed desktop hardware are the obvious fit — the Intel 82546 chipset is recognized natively by nearly every major hypervisor and Linux kernel without any manual driver work. IT administrators keeping older PCI-equipped workstations or servers in service will also find it practical as a cost-effective NIC replacement when the original onboard port fails or proves unreliable. pfSense and OPNsense builders working with legacy PCI desktop hardware get two usable ports on a single card, which is exactly what a basic router build needs. Anyone who simply needs dual-path or redundant Gigabit connectivity on a machine that has PCI slots but no free PCIe lanes will find this Intel 82546 card covers that gap without requiring a major hardware upgrade.

Not suitable for:

The Jeirdus Intel 82546 Dual-Port Gigabit NIC is the wrong card if your motherboard only has PCIe slots — and that describes the vast majority of machines built after roughly 2010. This is a PCI and PCI-X card, full stop, and no adapter or riser will make it work in a PCIe slot without significant added complexity. Users expecting true dual-channel Gigabit throughput should also look elsewhere: the shared PCI bus caps aggregate bandwidth well below what two simultaneous full-speed Gigabit links would demand, making this a poor choice for high-throughput NAS builds or production network infrastructure. Anyone running a modern server platform with PCIe Gen 3 or Gen 4 slots has no practical reason to reach for this card when far more capable options exist at comparable prices. Buyers who need responsive manufacturer support or detailed product documentation will also be disappointed — Jeirdus provides essentially none, and you are on your own if something goes wrong outside the return window.

Specifications

  • Brand: Manufactured by Jeirdus, a third-party adapter brand specializing in Intel chipset-based networking cards.
  • Model Number: The card carries the model designation FBM-82546-T2, used for identification and driver sourcing purposes.
  • Chipset: Built around the Intel 82546 dual integrated MAC and PHY controller, a mature and broadly supported networking chipset.
  • Ports: Equipped with two RJ-45 ports supporting 10/100/1000Base-T Ethernet connections at up to 1 Gbps per port.
  • Bus Interface: Compatible with PCI-X 1.0 and PCI 2.2 buses — this is a legacy PCI card and is not compatible with PCIe slots.
  • Bus Width: Supports both 32-bit and 64-bit PCI bus widths, providing flexibility across a range of older motherboard configurations.
  • Data Protocol: Operates over the standard Ethernet data link protocol, compatible with standard Cat5e and Cat6 copper cabling infrastructure.
  • Transfer Rate: Rated for data transfer at up to 1 Gigabit per second per port under ideal single-port conditions.
  • CPU Offload: Supports TCP Segmentation Offload and Large Send Offload to shift packet-processing workload from the host CPU to the NIC hardware.
  • Interrupt Moderation: Includes hardware-level Interrupt Moderation to reduce CPU interrupt frequency and overhead under sustained network traffic.
  • Cable Diagnostics: Features Advanced Cable Diagnostics accessible via Intel PROSet utilities or ethtool, enabling physical link fault detection without external tools.
  • Brackets Included: Ships with both a full-height and a low-profile bracket, with a screw-on attachment mechanism compatible with standard expansion slot openings.
  • Dimensions: The card measures 3.94 x 5.91 x 0.79 inches, fitting within standard full-height PCI slot envelopes and most ATX cases.
  • Weight: Weighs approximately 3.53 ounces (around 100g), consistent with a standard single-slot expansion card.
  • OS Compatibility: Natively supported by Linux kernel e1000 driver, VMware ESXi, FreeBSD, OpenBSD, and Windows via Intel PROSet driver package.
  • Cooling: Operates entirely passively with no onboard fan or heatsink, relying on ambient case airflow for thermal management.
  • UPC: Universal Product Code is 669591923558, usable for inventory tracking and product verification at point of purchase.
  • Availability: Listed as not discontinued by the manufacturer as of the date first available, which was January 1, 2018.

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FAQ

Unfortunately, no. This is a PCI and PCI-X card, which means it requires a legacy PCI slot on your motherboard. PCIe slots — which are the standard on virtually all motherboards made after roughly 2007 to 2010 — have a different physical connector and electrical interface. The two are not interchangeable, and no passive adapter will bridge them reliably. Before ordering, physically check your motherboard for a standard PCI slot, which is shorter and older-looking than the PCIe slots most people are used to.

In most cases it works without any additional driver installation. The Intel 82546 chipset is supported by ESXi's native e1000 driver, which has been part of the VMware driver stack for many years. That said, very recent ESXi versions (8.x and later) have begun deprecating some legacy drivers, so it is worth checking the VMware compatibility guide for your specific ESXi build before committing.

Yes, both ports can be bonded using standard LACP or active-passive bonding through the Linux bonding driver or similar mechanisms on other platforms. One important caveat: both ports share the same PCI bus, so the aggregate throughput ceiling is constrained by PCI bandwidth — roughly 133 MB/s shared — rather than two independent Gigabit pipes. For redundancy and failover, this works well; for raw speed gains from bonding, the bus becomes the bottleneck.

Yes, the Intel 82546 chipset is one of the most well-supported NICs in pfSense and OPNsense. FreeBSD, which underpins both platforms, has carried em driver support for this chipset for a long time. Many users specifically choose this dual-port NIC for pfSense builds because it provides a WAN port and a LAN port on a single card, saving a PCI slot.

Possibly. Very old motherboards sometimes have rigid PCI IRQ steering that can conflict with cards sharing the same IRQ resource pool. If you run into issues — typically the card is detected but fails to initialize — the first thing to try is manually assigning the card's IRQ in your BIOS settings, or enabling ACPI IRQ steering if your board supports it. Most users do not encounter this, but it is more common on hardware from that era than on later PCI boards.

The full-height bracket is attached by default, and the low-profile bracket is included separately in the box. Swapping them is straightforward — just remove the screws holding the full-height bracket, attach the low-profile one in its place, and you are done. Most users report the process taking under two minutes.

This Intel 82546 card uses the e1000 driver, which has been included in the mainline Linux kernel for well over a decade. On any reasonably modern Linux distribution, the card will be recognized automatically at boot without any manual driver installation. You can verify it loaded correctly by running lspci and checking dmesg output after insertion.

The card runs passively with no fan or heatsink, so it depends entirely on ambient airflow from the case. Under typical home lab workloads, the 82546 chipset stays cool without issue. In a very compact or poorly ventilated chassis running both ports at sustained high load, a small number of users have reported occasional link instability — adding a case fan directed at the expansion area usually resolves it.

The Jeirdus Intel 82546 Dual-Port Gigabit NIC ships with the card itself, a full-height bracket pre-attached, a low-profile bracket included separately, and a mounting screw. There is no printed documentation, driver CD, or software disk included — Jeirdus does not provide these. For drivers on Windows, you will need to download the Intel PROSet package directly from Intel's website.

Start by contacting the seller directly rather than Jeirdus, as the manufacturer's own support is essentially non-responsive based on buyer experiences. Most reputable sellers on Amazon will process a replacement or refund within the standard return window. If the card worked briefly and then stopped, also check that the PCI slot is seated properly and that there are no IRQ conflicts — these are the most common causes of early failure beyond a genuinely defective unit.

Where to Buy

eBay
Jeirdus Intel 82546 Dual-Port Gigabit NIC
In stock $30.99
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Jeirdus Intel 82546 Dual-Port Gigabit NIC
In stock $32.95
Buy Now