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Intel Ethernet Network Adapter I226-T1, Single-Port 2.5GbE RJ45, PCIe 3.1 x1, Low-Profile and Full-Height Brackets

Brand:
Intel
Intel Ethernet Network Adapter I226-T1 - Network adapter | I226T1
Intel Ethernet Network Adapter I226-T1, Single-Port 2.5GbE RJ45, PCIe 3.1 x1, Low-Profile and Full-Height Brackets
€91.83 inc. VAT
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I226T1
€77.17 €85.74
€91.83 inc. VAT
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Product Code
CI46782
EAN Code
5032037250399
Manufacturer
Intel

Quick Specs

Type
2.5GbE PCIe network adapter
Connectors / Interface
1x RJ45 · PCIe 3.1 x1
Key spec
2.5G/1G/100M/10M auto
Compatibility
Desktop PCs with a free PCIe slot
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Intel Ethernet Network Adapter I226-T1 — 2.5GbE over Standard RJ45

2.5GbE RJ45PCIe 3.1 x1Intel I226Low power

The Intel Ethernet Network Adapter I226-T1 is a single-port 2.5 Gigabit Ethernet PCIe card that upgrades a desktop PC or small server from 1GbE to 2.5GbE over existing Cat5e or better cabling, using only a PCIe x1 slot.

It is Intel's own retail adapter built on the I226 controller, with auto-negotiation down to 1G, 100M and 10M, PXE boot and Wake-on-LAN, and a very low power draw of about 1.4 W at full speed.

Before you order: You only get 2.5 Gb/s when the switch, router or NAS port on the other end also supports 2.5GbE (or multi-gig). On a standard Gigabit switch the card links at 1 Gb/s.

What's in the Box

  • 1x Intel Ethernet Network Adapter I226-T1
  • Full-height and low-profile brackets (Intel offers the card with both)
  • No network cable or driver media — drivers come from Intel or Windows Update

What It Means in Practice

  • Around 2.5x the throughput of 1GbE for large file copies to a 2.5GbE NAS or between workstations.
  • No rewiring in most offices: Cat5e is rated for 2.5GbE up to 100 m.
  • A single x1 slot is enough, so it fits alongside a graphics card in most desktops.
  • The low-profile bracket lets it go into slim SFF desktops as well as full-size towers.

What Will Not Work

  • It will not run 5GbE or 10GbE — 2.5 Gb/s is the maximum.
  • It will not reach 2.5 Gb/s on a 1GbE-only switch or router port.
  • It has no SFP cage for fibre.
  • Laptops and mini PCs without a free PCIe slot need a USB 2.5GbE adapter instead.

Key Features

 
Multi-speed RJ45
Auto-negotiates 2.5G, 1G, 100M and 10M, so it works with old and new switches.
 
Boot & wake
PXE boot and Wake-on-LAN for deployment tools and remote power-on.
 
Low power
0.9 W at 1GbE and 1.4 W at 2.5GbE, with Energy Efficient Ethernet.
 
Jumbo frames
Up to 9.5 KB jumbo frames for NAS and storage traffic.

Technical Specifications

Identification
Part Number I226T1
EAN/GTIN 5032037250399
Brand Intel
Model Ethernet Network Adapter I226-T1
Network
Controller Intel Ethernet Controller I226
Ports 1x RJ45
Speeds 2.5 Gb/s, 1 Gb/s, 100 Mb/s, 10 Mb/s
Cabling Cat5e, Cat6, Cat6A up to 100 m
Features PXE, Wake-on-LAN, jumbo frames 9.5 KB, Energy Efficient Ethernet
Physical & Power
Host interface PCIe 3.1 x1 (5 GT/s)
Brackets Low-profile and full-height
Card dimensions 68.7 x 65.3 mm
Power 0.9 W at 1GbE, 1.4 W at 2.5GbE
Operating temperature 0 to 55 °C
OS support See Intel's Ethernet OS support list (Windows, Linux)
Warranty
Warranty 1-Year Warranty (Singular)
Manufacturer Term Intel limited lifetime warranty for retail Ethernet products — claims handled through Singular

Frequently Asked Questions

Do I need Cat6 cable for 2.5GbE?
No. Intel specifies Cat5e, Cat6 or Cat6A up to 100 m, so existing Cat5e runs usually work.
What is I226T1BLK?
The bulk-packed version of the same card, without the retail box. Hardware is identical.
Will it work in an x4 or x16 slot?
PCIe cards are designed to work in wider slots; an x1 card fits and runs in x4, x8 or x16 slots on standard motherboards.
Singular Expert Insight · Buyer's Guide
The I226-T1 is the lowest-cost way to take a desktop past Gigabit: one x1 slot, no new cabling and Intel driver support. It pays off as soon as there is a 2.5GbE NAS or switch on the network — if there is not yet, pair it with one of our 2.5GbE switches.
✓ Buy it if you have (or are adding) a 2.5GbE NAS, switch or router and a desktop with a free PCIe slot.
✕ Skip it if you need 10GbE, or the PC has no PCIe slot — choose a 10GbE card or a USB 2.5GbE adapter.
→ Also consider the HP-branded I226-T1 (9P1U8AA) if you are fitting it to a supported HP Z workstation.
Not sure your switch or NAS supports 2.5GbE? Send us the model and we will check before you order.

Features - Intel - I226T1

Interface
  • Ethernet
More Details
Product Code
CI46782
EAN Code
5032037250399
Manufacturer
Intel
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