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Green printed circuit board with gold PCI edge connector and single RJ45 port

3Com

3Com 3C996B-T PCI Gigabit network card

SKU CH-5DSM-ENXX2 MPN 3C996B-T

PCI Gigabit Ethernet adapter with one RJ45 port supporting 10/100/1000 Mbps on 32- or 64-bit PCI and PCI-X buses

  • Standards802.3, 802.3u, 802.3x, 802.1Q, 802.3ad, 802.3ab
  • Speed10/100/1000Mbps
  • Connectors1 x RJ45
  • InterfacePCI
  • BUS32-/64-bit, 33/66 MHz PCI; 32-/64-bit, 33/66/100/133 MHz PCI
  • DriversLinux 2.2, 2.4; Windows XP, 2000, NT 4.0; Novell NetWare 6.x
  • Gigabit throughput on existing copper with 10/100/1000Mbps RJ45
  • Fits legacy and modern servers via 32-/64-bit PCI and PCI-X slots
  • Broad OS support across Linux 2.2/2.4, Windows XP/2000/NT 4.0, NetWare and Unix
  • Ready to deploy with driver CD, diagnostics and quick-start guide included
  • Lightweight half-height design at 0.5 kg for dense rack installations

PCI and PCI-X Gigabit server NIC

The 3Com 3C996B-T is a Gigabit Ethernet network card that fits both 32- or 64-bit PCI and PCI-X slots. It supports 10, 100 and 1000 Mbps speeds through a single RJ45 connector. Drivers are included for Linux, Windows XP, 2000 and NT 4.0, plus Novell NetWare, UnixWare, OpenServer and Sun Solaris x86.

Ideal for legacy server upgrades

This card suits administrators maintaining older servers that still rely on PCI or PCI-X buses and need a straightforward Gigabit link. It is not for builders who need Wake-on-LAN support, multi-port density or modern PCI Express connectivity.

Single RJ45 port at 1000 Mbps

The decisive specification is the single RJ45 port operating at up to 1000 Mbps on a PCI or PCI-X interface. If the target system lacks a compatible PCI or PCI-X slot, or requires more than one physical network connection, this card will not fit the requirement.

Highlights

  • Gigabit throughput on existing copper with 10/100/1000Mbps RJ45
  • Fits legacy and modern servers via 32-/64-bit PCI and PCI-X slots
  • Broad OS support across Linux 2.2/2.4, Windows XP/2000/NT 4.0, NetWare and Unix
  • Ready to deploy with driver CD, diagnostics and quick-start guide included
  • Lightweight half-height design at 0.5 kg for dense rack installations

Specifications

Brand3com
Model3C996B-T
Standards802.3, 802.3u, 802.3x, 802.1Q, 802.3ad, 802.3ab
Speed10/100/1000Mbps
Connectors1 x RJ45
InterfacePCI
BUS32-/64-bit, 33/66 MHz PCI; 32-/64-bit, 33/66/100/133 MHz PCI-X
DriversLinux 2.2, 2.4; Windows XP, 2000, NT 4.0; Novell NetWare 6.x, 5.x, 4.2; UnixWare 7; OpenServer 5; Sun Solaris X86
Wake On LANNo
FeaturesMultipacks available from 3com Partners; click the "Where to Buy" button
Scalable, tenfold throughput boost: accelerate Fast Ethernet server connections to 1000 Mbps
Automatic link aggregation and failover lets you install multiple NIC connections
Advanced server features maximize availability, scalability, and fault tolerance
64-bit PCI and PCI-X compatibility means faster transmissions with lower CPU utilization
Centralized, standards-compliant management lowers network administration time and total cost of ownership
TCP/UDP/IP checksum offloads reduce host CPU load for improved sy
Weight0.5
Package ContentsNetwork interface card
Quick start guide
Installation CD with drivers, diagnostics, and user’s guide
Shipping weight0.27 kg
Package size254 × 152 × 51 mm

Questions about this item

Does the box include cables or only the card and software?

The package contains the network interface card, a quick start guide, and an installation CD with drivers, diagnostics, and the user's guide. No cables are included.

Should I choose the 32-bit or 64-bit PCI mode for my server?

The card operates in 32-bit or 64-bit mode at 33 MHz, 66 MHz, 100 MHz, or 133 MHz on both PCI and PCI-X buses. Match the bus width and clock speed of your available slot.

What real throughput can I expect from the 1000 Mbps rating on a 64-bit 66 MHz PCI bus?

On a 64-bit 66 MHz PCI or PCI-X bus the card delivers full 1000 Mbps line rate. On a 32-bit 33 MHz PCI bus the theoretical bus ceiling limits throughput below the Gigabit maximum.

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