United States$5,000,000+
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T
Trevor Maddox
5
Good spare chassis for quick replacement.
QFX3100-2RU
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QFX3100 Base System (spare)
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Name:
QFX3100-2RU
- Description:
- QFX3100 Base System (spare)
- Rating:
Added to cart 28 times recently
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- Brand:
- Juniper
- GTIN:
- 818217035452
- Condition:
3 Year Extended Warranty
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QFX3100-2RU Overview
QFX3100-2RU is a high-performance Ethernet network module engineered for modern data centers. It features dual SFP+ ports that support speeds up to 40Gbps, making it ideal for connecting servers, switches, and routers in high-speed networks. The module is designed in a modular 2RU form factor and accommodates a range of protocols including TCP/IP and iSCSI for seamless data transmission.
QFX3100-2RU is specifically tailored for environments that demand reliability and fast data rates, such as data center upgrades and network interface expansions. Its industry-standard SFP+ connector ensures compatibility with a broad ecosystem of network equipment while supporting advanced features like auto-negotiation, jumbo frames, and QoS to optimize performance in demanding applications.
QFX3100-2RU price is is available on request. Get immediate quote.
Request bulk order quote for QFX3100-2RU for additional pricing. Browse the full Juniper Switch Modules & Cards series or explore all Juniper products.
QFX3100-2RU Specifications
- Product Type
- Network Module
- Module Type
- Ethernet
- Data Rate
- 40Gbps
- Connector Type
- SFP+
- Supported Protocols
- TCP/IP / iSCSI
- Form Factor
- Modular (2RU)
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- N/A
- Compatibility
- Routers, Switches, Servers
- Max Speed
- 40Gbps
- Supported Features
- Auto-negotiation / Jumbo Frames / QoS
- Power Consumption
- N/A
- Interface Ports
- SFP+
- Expansion Slots
- N/A
- Product Name
- QFX3100-2RU
- Height
- 2RU
- Width
- 19 inches
- Depth
- N/A
- Weight
- N/A
QFX3100-2RU Use Case
Data Center Spine Redundancy with QFX3100-2RU-QFX3100 Base System (spare)
In a multi-tier data center network, deploying the QFX3100-2RU-QFX3100 Base System (spare) as a hot standby enables sub-second failover for spine leaf fabrics. When an active spine switch experiences a hardware fault or during scheduled maintenance, the pre-configured spare slides in instantly, preserving EVPN-VXLAN overlays, BGP sessions and low-latency forwarding. Benefit: eliminates downtime and ensures continuous high-performance traffic flow with 10/25/100GbE capacity, driving 99.999% network availability and predictable service levels.
Campus Core Network Scaling using QFX3100-2RU-QFX3100 Base System (spare)
For large enterprise campuses experiencing rapid user and device growth, the QFX3100-2RU-QFX3100 Base System (spare) serves as a plug-and-play replacement for core switches. Pre-staged with Junos OS configurations, the spare unit can be deployed during peak hours without manual reconfiguration. Benefit: accelerates capacity upgrades and hardware refresh cycles, delivers high-density 10/25GbE uplinks and advanced security policies, and maintains service continuity for thousands of endpoints.
5G Mobile Edge Backhaul Resilience with QFX3100-2RU-QFX3100 Base System (spare)
In distributed mobile edge environments powering 5G micro-cells, the QFX3100-2RU-QFX3100 Base System (spare) provides rapid swap-out capability for ruggedized edge routers. Pre-loaded with MPLS-TP and EVPN-MLAG configurations, the unit can be hot-swapped at remote sites to uphold ultra-low latency and high throughput backhaul. Benefit: sustains carrier-grade SLAs, minimizes truck rolls and field maintenance windows, and supports seamless service delivery for latency-sensitive IoT and AR/VR applications.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| QFX3100-2RU |  QFX3008-FAB-CPE-BNDL |  QFX3008-SR1 |  QFX3008-SF16Q |  QFX3008-FAB-DRCTR-BNDL | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module | Network Module / Network Card | Network Module / Network Card | Network Module |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 40Gbps | 10Gbps | 40G | 40Gbps | 40Gbps |
| Connector Type | SFP+ | SFP+ | SFP+ | QSFP+ | SFP+ |
| Supported Protocols | TCP/IP / iSCSI | TCP/IP | TCP/IP | TCP/IP | TCP/IP, iSCSI, Fibre Channel |
| Form Factor | Modular (2RU) | Modular | PCIe | Modular | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Routers, Switches, Servers | Juniper Networks | Cisco / Juniper / Arista / Dell / HP | Juniper | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 40Gbps | 10Gbps | 40Gbps | 40Gbps | 40Gbps |
| Supported Features | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | N/A | 15W | 15W | 15W | N/A |
| Interface Ports | SFP+ | Ethernet (SFP+) | Ethernet | QSFP+ | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | QFX3100-2RU | QFX3008-FAB-CPE-BNDL | QFX3008-SR1 Ethernet Module | QFX3008-SF16Q | QFX3008-FAB-DRCTR-BNDL |
| Height | 2RU | N/A | N/A | N/A | N/A |
| Width | 19 inches | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
Reviews & Ratings
E
Edward Price
4
Booted cleanly and synced fast.
L
Lawrence King
5
Reliable base system.
V
Victor Reed
5
Easy to deploy.
S
Simon Grant
4
Meets operational needs.
Questions & Answers
What is the QFX3100-2RU Base System (Spare) SKU: QFX3100-2RU?
The QFX3100-2RU Base System (Spare) is a factory-authorized replacement chassis for Juniper’s QFX3100 line, providing identical form, fit and function to the original unit in a 2RU profile.
What are the key technical specifications of the QFX3100-2RU Base System (Spare)?
This spare system supports up to 1.6 Tbps switching capacity, 1.19 Bpps forwarding rate, 48 SFP+/SFP28 ports, 6 QSFP+/QSFP28 ports and dual-redundant, hot-swap AC or DC power supplies.
Is the QFX3100-2RU Base System (Spare) compatible with my existing QFX3100 network?
Yes. The spare chassis is fully pin-and-slot compatible with all QFX3100 line cards, power supplies, fans and software images, ensuring seamless hardware replacement.
How do I install the QFX3100-2RU Base System (Spare)?
Mount the 2RU chassis in a standard 19-inch rack, insert your existing line cards, power supplies and fan trays, then connect to AC or DC power and restore your saved configuration.
What are the power requirements for the QFX3100-2RU Base System (Spare)?
The system accepts dual, redundant AC (100–240V, 50–60 Hz) or DC (–40 to –60V) hot-swappable power supplies, with typical consumption at 350W and maximum at 580W under full load.
How many ports does the QFX3100-2RU Base System (Spare) support?
It supports up to 48 fixed 10GbE SFP+ or 25GbE SFP28 ports and 6 fixed 40GbE QSFP+ or 100GbE QSFP28 uplink ports, depending on the installed transceivers.
What performance can I expect from the QFX3100-2RU Base System (Spare)?
With 1.6 Tbps of switching capacity and 1.19 Bpps of forwarding rate, expect wire-speed L2/L3 switching and advanced EVPN/MLAG capabilities for data-center leaf deployments.
Does the QFX3100-2RU Base System (Spare) include a Junos OS license?
No. This chassis spare does not include a Junos OS license. You must transfer or purchase the appropriate Junos software subscription separately.
What warranty covers the QFX3100-2RU Base System (Spare)?
Juniper’s limited 1-year warranty covers defects in materials and workmanship. Extended Care and Premium Software Support options are available for additional coverage.
How can I get technical support for the QFX3100-2RU Base System (Spare)?
Contact Juniper Support via the authorized reseller portal, open a case at support.juniper.net or call your local Juniper technical assistance center.
Is the QFX3100-2RU Base System (Spare) compliant with industry standards?
Yes. It meets RoHS, WEEE, NEBS Level 3, FCC Part 15 Class A, CE Marking and UL/CSA safety standards for global deployments.
What are the physical dimensions and weight of the QFX3100-2RU Base System (Spare)?
The chassis measures 88.9 mm × 442.0 mm × 531.2 mm (H×W×D) and weighs approximately 14.5 kg (32 lbs) without power supplies and line cards.
Can I hot-swap components in the QFX3100-2RU Base System (Spare)?
Yes. The chassis supports hot-swappable fan trays, power supplies and line cards without service disruption, enabling 24×7 availability.
What is the difference between this spare system and a new QFX3100 chassis?
Functionally identical to a new chassis, the spare system is sold without software licenses or in-box accessories. It’s optimized for rapid hardware replacement.
How do I order the QFX3100-2RU Base System (Spare)?
Place your order through an authorized Juniper reseller or distributor using SKU QFX3100-2RU. Reference your existing service agreement for warranty and replacement terms.