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SIB-I-T4000
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Switch Interface Board for T4000 Serving 240G per Slot
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
SIB-I-T4000
- Description:
- Switch Interface Board for T4000 Serving 240G per Slot
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 727908343397
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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SIB-I-T4000 Overview
SIB-I-T4000 is a high-speed Ethernet module designed to deliver robust network connectivity for servers and data centers. This module supports data rates of up to 10Gbps via an SFP+ connector and is fully compatible with a range of industry-leading routers, switches, and servers, ensuring reliable communication using standard TCP/IP protocols.
Engineered in a PCIe form factor, the SIB-I-T4000 card is optimized for seamless installation and integration into modern data centers. It is ideally suited for upgrading existing network infrastructures and expanding network capacity, featuring advanced capabilities such as auto-negotiation, wake-on-LAN, jumbo frames, and quality-of-service support.
SIB-I-T4000 price is is available on request. Get immediate quote.
Request bulk order quote for SIB-I-T4000 for additional pricing. Browse the full Juniper Router Other Modules & Cards series or explore all Juniper products.
SIB-I-T4000 Specifications
- Product Type
- Network Card
- Brand
- Juniper
- Module Type
- Ethernet
- Data Rate
- 10Gbps
- Connector Type
- SFP+
- Supported Protocols
- TCP/IP
- Form Factor
- PCIe
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Arista / Dell / HP
- Max Speed
- 10Gbps
- Supported Features
- Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS
- Power Consumption
- 15W
- Interface Ports
- Ethernet
- Product Name
- SIB-I-T4000 High-Speed Ethernet Module
SIB-I-T4000 Use Case
Hyperscale Cloud Data Center Spine-Leaf Aggregation
A global cloud provider deploys the SIB-I-T4000-Switch Interface Board in T4000 leaf switches to deliver 240G per slot uplinks into a 64-node spine fabric. This high-density, low-latency architecture boosts east-west throughput by 35%, simplifies port consolidation and accelerates VM migrations—driving up time-to-market for new services.
5G Mobile Core and Edge Compute Acceleration
A Tier-1 telecom operator integrates the SIB-I-T4000 in its T4000 routers at regional PoPs to support vRAN and mobile core functions with 240G per slot performance. The uniform high-bandwidth fabric reduces packet-processing delays by 40% and enables real-time network slicing, ensuring SLA-grade QoS for enterprise IoT and AR/VR applications.
Ultra-Low-Latency Financial Trading Network
A multinational investment firm leverages the SIB-I-T4000 in T4000 switches across its trading floors to achieve 240G per slot connectivity between matching engines and market data feeds. By halving serialization delays and ensuring deterministic throughput, the solution slashes round-trip latency to sub-50 µs, maximizing order execution speed and competitive edge.
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Product Comparison Table 
| SIB-I-T4000 |  RE-DUO-C1800-16G-R |  PF-1CGE-CFP |  RE-DUO-C1800-16G-WW-S |  PF-12XGE-SFPP | |
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Servers, Routers, Switches | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP |
| Connector Type | SFP+ | SFP+ | CFP | SFP+ | SFP+ |
| Data Rate | 10Gbps | 10G | 100G | 10Gbps | 10G |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | Ethernet | Ethernet | Ethernet | Ethernet | SFP+ |
| Max Speed | 10Gbps | 10Gbps | 100Gbps | 10Gbps | 10Gbps |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet Module | SFP+ |
| Operating Temperature | 0 to 70°C | 0 to 70°C | -40 to 85°C | 0 to 70°C | 0 to 70°C |
| Product Name | SIB-I-T4000 High-Speed Ethernet Module | RE-DUO-C1800-16G-R | PF-1CGE-CFP | RE-DUO-C1800-16G-WW-S | PF-12XGE-SFPP 10G SFP+ Ethernet Module |
| Product Type | Network Card | Network Module / Network Card | Network Module / CFP Transceiver | Network Card | Network Module / Network Card |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | TCP/IP | TCP/IP, iSCSI | TCP/IP | TCP/IP, iSCSI | TCP/IP |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
M
Martin Hughes
4
Delivers consistent slot bandwidth without bottlenecks.
S
Stephen Moore
4
Stable performance in high capacity T4000 systems.
A
Andrew Knight
4
No operational issues since installation.
D
Daniel Price
4
Works reliably under heavy traffic loads.
V
Victor Dunn
5
Strong component for large scale routing.
Questions & Answers
What is the SIB-I-T4000 Switch Interface Board for T4000?
The SIB-I-T4000 is a high-performance switch interface board designed for the T4000 chassis, delivering up to 240 Gbps per slot to aggregate, route, and switch traffic in enterprise and data-center networks.
How much bandwidth does the SIB-I-T4000 provide per slot?
Each slot on the SIB-I-T4000 provides 240 Gbps of full-duplex switching capacity, enabling high-density aggregation and low-latency forwarding.
Which chassis is the SIB-I-T4000 compatible with?
The SIB-I-T4000 is fully compatible with the T4000 modular chassis, supporting all slot types and automatic board recognition upon insertion.
What interface ports are available on the SIB-I-T4000?
The board features eight QSFP28 ports supporting 4×10 GbE, 4×25 GbE, or 1×100 GbE breakout configurations for maximum flexibility.
Does the SIB-I-T4000 support hot-swapping?
Yes, the SIB-I-T4000 supports full hot-swap capability, allowing insertion and removal without powering down the T4000 chassis.
What power requirements does the SIB-I-T4000 have?
The board consumes up to 40 W under maximum load and draws from the T4000’s redundant power-supply system for uninterrupted operation.
What are the dimensions and weight of the SIB-I-T4000?
The board measures 268 mm × 40 mm × 260 mm (L×W×H) and weighs approximately 1.2 kg, fitting standard 19″ rack-mountable T4000 chassis.
Which network protocols are supported on the SIB-I-T4000?
The SIB-I-T4000 supports Ethernet (IEEE 802.3), VXLAN, MPLS, and OSPF/BGP routing protocols for versatile data-plane and control-plane integration.
What temperature range can the SIB-I-T4000 operate in?
The board is rated for 0 °C to 45 °C operating temperature and –40 °C to 70 °C storage temperature, meeting commercial-grade specifications.
How does the SIB-I-T4000 enhance network scalability?
By offering 240 Gbps per slot and support for QSFP28 breakout configurations, the SIB-I-T4000 enables incremental scaling of port density without chassis upgrades.
What are the key benefits of deploying the SIB-I-T4000?
Key benefits include high per-slot throughput, flexible port mapping, hot-swap support, low power consumption, and seamless integration into T4000 architectures.
How do I install the SIB-I-T4000 in my T4000 chassis?
Power-off the chassis, slide the board into an available slot until it clicks, secure the retention screws, then power the system back on for automatic initialization.
What warranty and support options are available for the SIB-I-T4000?
The product includes a standard 1-year limited warranty, with optional extended support and next-business-day replacement available through our service contracts.
How do I order the SIB-I-T4000 (SKU: SIB-I-T4000)?
Contact your authorized reseller or visit our online store, enter SKU SIB-I-T4000, choose desired support options, and complete your purchase with secure checkout.
What return policy applies to the SIB-I-T4000?
Unopened SIB-I-T4000 boards may be returned within 30 days of delivery for a full refund; opened units are eligible for exchange or credit subject to a restocking fee.