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RE-PTX-X8-128G-S-R
PTX Routing Engine , 8 core 2.3Ghz with 128G Memory, Secure...
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
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.
RE-PTX-X8-128G-S-R price is is available on request. Get immediate quote.
Request bulk order quote for RE-PTX-X8-128G-S-R for additional pricing. Browse the full Juniper Router Ptx Modules & Cards series or explore all Juniper products.
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.
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.
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.
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| RE-PTX-X8-128G-S-R |  CB-PTX-BB |  FPC3-SFF-PTX-1H-IR |  PSM-BLANK-PTX |  P3-15-U-QSFP28 | |
|---|---|---|---|---|---|
| Compatibility | Routers / Switches / Servers | Routers, Switches, Servers | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP |
| Connector Type | SFP+ | SFP+ | SFP+ | SFP+ | QSFP28 |
| Data Rate | 10Gbps | 10G | 10G | 10Gbps | 100G |
| Form Factor | PCIe | PCIe | PCIe | PCIe | Modular |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | Ethernet / SFP+ | Ethernet | SFP+ | SFP+ | 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 |
| Product Name | RE-PTX-X8-128G-S-R | CB-PTX-BB | FPC3-SFF-PTX-1H-IR | PSM-BLANK-PTX | P3-15-U-QSFP28 |
| Product Type | Network Module / Network Card | Network Card | Network Module / Network Card | Network Module | Network Module |
| 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 | TCP/IP / iSCSI | TCP/IP / iSCSI / UDP | TCP/IP / iSCSI | TCP/IP |
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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Redundant engine ensured nonstop operation.
Failover was seamless.
Critical for high availability.
Very reliable.
Excellent redundancy.
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.
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.
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.
With 128 GB of DRAM, the engine supports large BGP/EVPN tables, advanced MPLS features, and scale-out service chains without risking memory bottlenecks.
Secure Boot cryptographically verifies boot-loader and OS images at startup, preventing unauthorized firmware or rootkit installation on the routing engine.
Redundancy is provided by dual, hot-swappable routing engine slots in the PTX5K chassis, ensuring seamless failover and zero-packet loss during maintenance.
Yes, it is fully compatible with PTX5000, PTX10004, PTX10008, and PTX10016 chassis, supporting mixed-slot configurations and in-service upgrades.
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.
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.
Use Junos CLI commands like ‘show chassis routing-engine’, SNMP MIBs, or Junos Telemetry Interface to track CPU, memory, temperature, and redundancy status.
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.
Standard one-year hardware warranty with next-business-day advance replacement is included; extended support and J-Care offerings can be purchased separately.
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.
Yes, its dual-engine redundancy and hitless switchover support enable carrier-grade high availability with sub-50 ms failover.
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.
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.
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