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header-product Network card Chelsio T6225-CR — Internal Fiber, PCI Express, 25 Gbps, IEEE 802.1Q/802.3 standards
1,039.49 €

Network card Chelsio T6225-CR — Internal Fiber, PCI Express, 25 Gbps, IEEE 802.1Q/802.3 standards

Chelsio T6225-CR network card — 25 Gbps Fiber Photo 1
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Network card Chelsio T6225-CR — Internal Fiber, PCI Express, 25 Gbps, IEEE 802.1Q/802.3 standards

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Network card Chelsio T6225-CR — Internal Fiber, PCI Express, 25 Gbps, IEEE 802.1Q/802.3 standards

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Short description

Chelsio T6225-CR is an internal wired network card with a fiber interface and PCI Express host connection, supporting up to 25,000 Mbit/s. It implements networking standards including IEEE 802.1Q, 802.3z/ae/ad/x/az and 802.1p for VLAN tagging, link aggregation and flow control. Suitable for servers and high-throughput workstations requiring low-latency 25 Gbps fiber connectivity.
Available for order: 1 pcs.
Warranty: 2 Years
SKU: 7913059
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
17.08.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
20.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.00 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
20.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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3 mth. х 346.5 €

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Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities
36 months installment: from 28.87 euros per month
Leasing for legal entities: from 36.17 euros per month
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Product information

Description

Chelsio T6225-CR is an internal dual-port fiber network card with a PCI Express host connection designed to deliver low-latency 25 Gbps Ethernet connectivity for servers and high-throughput workstations. The adapter supports 1/10/25Gb operation and a PCI Express 3.0 x8 host interface, implementing industry networking standards for VLAN tagging, flow control and link aggregation. It provides integrated offload capabilities for storage and cloud workloads and maintains compatibility with prior host software to simplify deployment and preserve existing software investments.

Advantages

The T6225-CR offers sub-microsecond end-to-end latency while offloading many networking, storage and security tasks from the host CPU, reducing processor load and lowering power and operational costs. Built-in protocol offloads include standard TCP/IP/UDP-based services as well as integrated crypto offload for IPsec, TLS/SSL, DTLS and SMB 3.x. The card supports standards-based link aggregation, inter-adapter failover and a Traffic Manager for flexible QoS and flow control, enabling resilient, high-availability deployments over existing switch infrastructure.

Suitable for

  • Data center servers running storage, virtualization or cloud workloads
  • High-performance computing (HPC) nodes requiring low-latency networking
  • Storage networks using iSCSI, FCoE or converged SAN deployments
  • Virtualized hosts and hyperconverged infrastructure needing CPU offload
  • Workstations or appliances that require 25 Gbps fiber connectivity

Key specifications

  • Connectivity technology: Wired
  • Interface: Fiber (dual-port)
  • Host interface: PCI Express 3.0 x8
  • Maximum data transfer rate: 25,000 Mbit/s (25 Gbps)
  • Supported networking standards: IEEE 802.1Q, IEEE 802.3z, IEEE 802.3x, IEEE 802.3az, IEEE 802.3ae, IEEE 802.3ad, IEEE 802.1p
  • Supports 1/10/25Gb Ethernet modes
  • Integrated offloads: TCP/IP/UDP, iSCSI, iWARP; crypto offload for IPsec, TLS/SSL, DTLS, SMB 3.x
  • Traffic Manager for QoS, flow control and traffic shaping
  • Features for reliability: memory ECC, data path CRC and T10-DIX offload

How to use

Install the Chelsio T6225-CR into an available PCI Express x8 (or higher) slot on a compatible server or workstation and connect fiber links to the card's optical ports using appropriate SFP28 or compatible transceivers and fiber cabling. Ensure the host system BIOS and operating system recognize PCI Express devices, then install Chelsio drivers and management software provided by the vendor or through validated OS packages. Configure network interfaces, VLANs, link aggregation or failover groups and enable offload features as required by your storage, virtualization or application stack.

Usage recommendations

Use validated fiber transceivers and single-mode/multimode fiber consistent with your network design, keep firmware and drivers up to date to benefit from performance and security fixes, and plan redundant link aggregation or inter-adapter failover for critical services. For storage deployments, enable the appropriate iSCSI or FCoE offloads and verify end-to-end checksums and CRC settings to ensure data integrity.

Specifications

Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
Fiber
Host interface: Interface that enables a host controller to communicate with a driver.
PCI Express
Maximum data transfer rate: The maximum speed with which data can be transmitted from one device to another.
25000 Mbit/s
Networking standards: The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g.
IEEE 802.1Q, IEEE 802.3z, IEEE 802.3x, IEEE 802.3az, IEEE 802.3ae, IEEE 802.3ad, IEEE 802.1p
All features
Quantity: The number of products there are.
1

Ports & interfaces

Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
Fiber
Host interface: Interface that enables a host controller to communicate with a driver.
PCI Express
Internal: The product is built in.
Yes
Fiber ports quantity: The number of sockets (ports) for fibers (cables).
2
Fiber optic connector: This terminates the end of an optical fiber, and enables quicker connection and disconnection than splicing. The connectors mechanically couple and align the cores of fibers so light can pass. Better connectors lose very little light due to reflection or misalignment of the fibers. In all there have been about 100 types of optic fiber connectors produced.
SFP28
PCI version:
3.0

Bandwidth

Maximum data transfer rate: The maximum speed with which data can be transmitted from one device to another.
25000 Mbit/s

Network

Networking standards: The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g.
IEEE 802.1Q, IEEE 802.3z, IEEE 802.3x, IEEE 802.3az, IEEE 802.3ae, IEEE 802.3ad, IEEE 802.1p
iSCSI support:
Yes

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
69.3 mm
Width: The measurement or extent of something from side to side.
167.6 mm

Power

Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.
13 W

Operational conditions

Operating relative humidity (H-H):
5 - 95
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 55

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Customer reviews

Customer questions

FAQ

How much does the Chelsio T6225-CR network card — 25 Gbps Fiber cost, and is it available for purchase?

The price is 1,039.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 17.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can Chelsio T6225-CR network card — 25 Gbps Fiber be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Chelsio T6225-CR network card — 25 Gbps Fiber online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Chelsio products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Chelsio service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connectivity technology, interface, host interface, maximum data transfer rate, networking standards, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Chelsio T6225-CR network card — 25 Gbps Fiber?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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