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Name:
RE-PTX-X8-128G-S-R
- Description:
- PTX Routing Engine , 8 core 2.3Ghz with 128G Memory, Secure Boot, Redundant for PTX5K
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- GTIN:
- 705595731246
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3 Year Extended Warranty
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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RE-PTX-X8-128G-S-R Overview
RE-PTX-X8-128G-S-R is a high-performance Ethernet module designed to deliver robust connectivity for data centers and enterprise networks. Built with an SFP+ connector and a PCIe form factor, this module supports data rates up to 10Gbps, ensuring rapid and reliable transmission across routers, switches, and servers.
Engineered for seamless integration and optimal network expansion, the RE-PTX-X8-128G-S-R adheres to vendor-standard protocols including TCP/IP and iSCSI. Its plug-and-play installation, paired with advanced features such as auto-negotiation, Wake-on-LAN, jumbo frames, and QoS, makes it an ideal solution for upgrading server network interfaces and enhancing high-speed connectivity in demanding environments.
What is the price of RE-PTX-X8-128G-S-R?
Pricing for RE-PTX-X8-128G-S-R is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for RE-PTX-X8-128G-S-R.
Explore more options from Network Modules And Cards or explore other Juniper products.
RE-PTX-X8-128G-S-R Specifications
| Product Type | Network Module / Network Card |
| Module Type | Ethernet |
| Data Rate | 10Gbps |
| Connector Type | SFP+ |
| Supported Protocols | TCP/IP / iSCSI |
| Form Factor | PCIe |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Routers / Switches / Servers |
| Max Speed | 10Gbps |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Power Consumption | N/A |
| Interface Ports | Ethernet / SFP+ |
| Expansion Slots | N/A |
| Product Name | RE-PTX-X8-128G-S-R |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
RE-PTX-X8-128G-S-R Use Case
High-Performance Data Center Backbone Routing with RE-PTX-X8-128G-S-R-PTX
In a hyperscale cloud environment, the RE-PTX-X8-128G-S-R-PTX Routing Engine powers core spine routers to deliver line-rate forwarding at 2.3 GHz across 128 GB of memory, with Secure Boot ensuring firmware integrity and redundant engines providing seamless failover. Outcome: Achieves 40% higher throughput, 99.999% uptime, and simplified capacity scaling for multi-terabit peering interconnects.
Ultra-Low-Latency Trading Network for Financial Services
A leading stock exchange deploys RE-PTX-X8-128G-S-R-PTX in its matching engine network to maintain sub-100 μs end-to-end latency. Secure Boot protects against unauthorized code injection, while redundant routing engines guarantee zero-packet loss during failover. Outcome: Ensures regulatory compliance, maximizes transaction velocity, and sustains 99.9999% service availability in high-frequency trading.
5G Edge PE Routing & Network Slicing for Tier-1 Telecom Operators
A Tier-1 service provider integrates RE-PTX-X8-128G-S-R-PTX into its 5G edge infrastructure to support dynamic network slicing and multi-gigabit VRF instances. The 8-core, 2.3 GHz processor and 128 GB memory deliver the compute capacity needed for real-time user plane functions, while redundant boot-secure engines uphold service continuity. Outcome: Accelerates time-to-market for 5G services, reduces CAPEX by 25%, and enforces carrier-grade security.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP | Routers / Switches / Servers | Routers, Switches, Servers | Cisco / Juniper / Arista / Dell / HP |
| Connector Type | SFP+ | SFP+ | SFP+ | SFP+ | QSFP28 |
| Data Rate | 10G | 10Gbps | 10Gbps | 10G | 100G |
| Depth | N/A | N/A | N/A | 4.4 inches | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | PCIe | PCIe | PCIe | PCIe | Modular |
| Height | 1.0 inches | N/A | N/A | 0.3 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | SFP+ | SFP+ | Ethernet / SFP+ | Ethernet | QSFP28 |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 10Gbps | 100Gbps |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | SFP28 |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 12W | N/A | N/A | 8W | N/A |
| Product Name | FPC3-SFF-PTX-1H-IR | PSM-BLANK-PTX | RE-PTX-X8-128G-S-R | CB-PTX-BB | P3-15-U-QSFP28 |
| Product Type | Network Module / Network Card | Network Module | Network Module / Network Card | Network Card | Network Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | N/A |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS |
| Supported Protocols | TCP/IP / iSCSI / UDP | TCP/IP / iSCSI | TCP/IP / iSCSI | TCP/IP / iSCSI | TCP/IP |
| Weight | N/A | N/A | N/A | 1.2 lbs | N/A |
| Width | N/A | N/A | N/A | 3.5 inches | N/A |
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Questions & Answers
Q
What is the RE-PTX-X8-128G-S-R Routing Engine for PTX5K?
A
The RE-PTX-X8-128G-S-R is a high-performance PTX Routing Engine featuring an 8-core 2.3 GHz CPU, 128 GB of memory, Secure Boot, and redundant power for PTX5000 series routers.
Q
What are the key features of the RE-PTX-X8-128G-S-R?
A
Key features include an 8-core 2.3 GHz processor, 128 GB DRAM, Secure Boot for firmware validation, hot-swap redundancy, and full compatibility with PTX5K chassis.
Q
How does the 8-core 2.3 GHz CPU benefit network performance?
A
The 8-core 2.3 GHz CPU accelerates control-plane operations and large routing table lookups, delivering lower latency and higher throughput under heavy traffic loads.
Q
Why is 128 GB of memory important for PTX5K deployments?
A
With 128 GB of DRAM, the engine supports large BGP/EVPN tables, advanced MPLS features, and scale-out service chains without risking memory bottlenecks.
Q
What is Secure Boot and how does it protect the routing engine?
A
Secure Boot cryptographically verifies boot-loader and OS images at startup, preventing unauthorized firmware or rootkit installation on the routing engine.
Q
How does redundancy work on the RE-PTX-X8-128G-S-R?
A
Redundancy is provided by dual, hot-swappable routing engine slots in the PTX5K chassis, ensuring seamless failover and zero-packet loss during maintenance.
Q
Is the RE-PTX-X8-128G-S-R compatible with all PTX5K models?
A
Yes, it is fully compatible with PTX5000, PTX10004, PTX10008, and PTX10016 chassis, supporting mixed-slot configurations and in-service upgrades.
Q
How do I install the RE-PTX-X8-128G-S-R in my PTX5K chassis?
A
Align the engine with the guide rails, slide it into the routing-engine slot until it clicks, then connect control-plane cables and power up for auto-discovery.
Q
Which Junos OS versions are supported by this routing engine?
A
The RE-PTX-X8-128G-S-R supports Junos OS 21.4R3 and later, enabling advanced features like EVPN-VXLAN, segment routing, and SR-TE analytics.
Q
How can I monitor the health and status of the routing engine?
A
Use Junos CLI commands like ‘show chassis routing-engine’, SNMP MIBs, or Junos Telemetry Interface to track CPU, memory, temperature, and redundancy status.
Q
What are the power and cooling requirements for the RE-PTX-X8-128G-S-R?
A
It requires 150 W maximum power per engine and operates in a 0 °C to 40 °C environment with front-to-back airflow for optimal thermal management.
Q
What warranty and support options are available?
A
Standard one-year hardware warranty with next-business-day advance replacement is included; extended support and J-Care offerings can be purchased separately.
Q
How do I upgrade from a single to a redundant routing engine setup?
A
Install the second RE-PTX-X8-128G-S-R in the empty slot, connect power and control-plane cables, then enable redundancy via Junos OS ‘set chassis redundancy’ commands.
Q
Can I use the RE-PTX-X8-128G-S-R for high-availability networks?
A
Yes, its dual-engine redundancy and hitless switchover support enable carrier-grade high availability with sub-50 ms failover.
Q
Where can I purchase SKU RE-PTX-X8-128G-S-R?
A
You can order RE-PTX-X8-128G-S-R through authorized Juniper Networks partners, value-added resellers, or the Juniper e-store with global shipping options.
Q
How does the RE-PTX-X8-128G-S-R improve network scalability?
A
By offloading control-plane processes to an 8-core CPU and leveraging 128 GB of DRAM, it supports millions of routes and scales linearly with PTX5K fabric growth.
