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RE-PTX-X8-128G-S-S
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-S is a high-performance Ethernet module engineered to deliver reliable 10Gbps connectivity for modern data centers and enterprise networks. Designed with an SFP+ connector and a PCIe form factor, it ensures seamless integration with leading routers, switches, and servers while supporting critical protocols such as TCP/IP and iSCSI.
Optimized for expanding network capacity and upgrading server interfaces, this module features robust construction and efficient data handling to meet rigorous operational demands. Its design supports straightforward installation and offers vital features like auto-negotiation, Wake-on-LAN, jumbo frames, and quality of service, making it ideal for environments where high-speed, dependable connectivity is paramount.
RE-PTX-X8-128G-S-S price is is available on request. Get immediate quote.
Request bulk order quote for RE-PTX-X8-128G-S-S for additional pricing. Browse the full Juniper Router Ptx Modules & Cards series or explore all Juniper products.
In a hyperscale data center, the RE-PTX-X8-128G-S-S-PTX Routing Engine (8-core 2.3 GHz, 128 GB memory, Secure Boot) serves as a spine aggregator for 400 GE pod uplinks. Deployed as a hot-swap spare for PTX5K, it enables zero-impact maintenance while Secure Boot guarantees firmware integrity. Outcome: 50% higher throughput, sub-10 μs latency, and 99.999% network availability.
A Tier 1 mobile operator installs RE-PTX-X8-128G-S-S-PTX at distributed 5G edge POPs to orchestrate dynamic network slices and ultra-low-latency traffic steering. The 8-core CPU handles 20 Mpps, 128 GB memory scales massive BGP/PLS tables, and Secure Boot prevents unauthorized firmware tampering. Outcome: 40% faster slice provisioning, 30% SLA-driven reliability, and 25% OPEX reduction.
A global trading firm deploys RE-PTX-X8-128G-S-S-PTX across colocation sites to accelerate market data and order-entry traffic. Its deterministic 8-core 2.3 GHz routing engine and 128 GB memory for TCAM/ARP caching deliver predictable sub-100 µs forwarding, while Secure Boot ensures compliance. Outcome: 15% reduction in round-trip latency, improved execution speed, and enhanced network security.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| RE-PTX-X8-128G-S-S |  P2-10G-40G-QSFPP |  PSM2-PTX-DC-BB |  CB-SFF-PTX-BB |  PSM-SFF-PTX-DC-S | |
|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP |
| Connector Type | SFP+ | QSFP+ | SFP+ | SFP+ | SFP+ |
| Data Rate | 10Gbps | 10Gbps / 40Gbps | 10G | 10Gbps | 10G |
| Form Factor | PCIe | Modular | PCIe | PCIe | PCIe |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | Ethernet | QSFP+ | Ethernet | SFP+ | SFP+ |
| Max Speed | 10Gbps | 40Gbps | 10Gbps | 10Gbps | 10Gbps |
| Module Type | Ethernet | QSFP+ | Ethernet | Ethernet | SFP+ |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 15W | 4.0W | 15W | 5W | 7W |
| Product Name | RE-PTX-X8-128G-S-S | P2-10G-40G-QSFPP | PSM2-PTX-DC-BB | CB-SFF-PTX-BB | PSM-SFF-PTX-DC-S |
| Product Type | Network Module | Fiber Transceiver Module | Network Module / Network Card | 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 Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Digital diagnostics monitoring, Link fault pass through, Auto-negotiation | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Supported Protocols | TCP/IP, iSCSI | Ethernet, TCP/IP | TCP/IP, iSCSI | TCP/IP / iSCSI | TCP/IP / iSCSI / Fibre Channel |
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.
Spare routing engine matched perfectly.
Good standby for critical systems.
No issues during swap testing.
Reliable spare unit.
Ready when needed.
The RE-PTX-X8-128G-S-S is a high-performance PTX Routing Engine featuring an 8-core 2.3 GHz processor, 128 GB of memory, Secure Boot and designed as a spare module for PTX5000 series routers.
This routing engine offers an 8-core 2.3 GHz CPU, 128 GB DRAM, Secure Boot support, hot-swap capability, redundant power forwarding and full compatibility with Junos OS on PTX5000 platforms.
The RE-PTX-X8-128G-S-S is fully compatible with Juniper PTX5000 series routers, including PTX5K-24, PTX5K-48 and PTX5K-96, when used as a spare or replacement routing engine.
To install the RE-PTX-X8-128G-S-S, power down the PTX5K chassis, slide the existing module out, insert the new engine until it clicks, secure the retention screws and power on the system.
Yes. The RE-PTX-X8-128G-S-S includes Secure Boot functionality that verifies firmware integrity during startup, ensuring only authenticated code executes on your PTX5000 router.
The 8-core 2.3 GHz processor delivers multi-threaded packet processing, accelerated control-plane performance and reduced latency under high traffic loads on PTX5000 series platforms.
With 128 GB of DRAM, the RE-PTX-X8-128G-S-S provides larger routing tables, faster route lookups and enhanced multi-service support to maintain low-latency forwarding at scale.
Yes. The RE-PTX-X8-128G-S-S supports hot-swap operations, allowing you to replace or install the module without powering down the PTX5K chassis for uninterrupted network uptime.
Absolutely. The RE-PTX-X8-128G-S-S is specifically designed as a spare routing engine for PTX5000 series routers, ensuring rapid replacement and minimal service disruption.
The RE-PTX-X8-128G-S-S consumes up to 200 W under full load and integrates with the PTX5K chassis power and cooling infrastructure, requiring no additional external fans or power supplies.
Use Junos OS CLI or J-Web to upload the firmware image to the RE, then execute the ‘request system software add’ command. The module will auto-reboot into the new release.
The engine provides an out-of-band Management Ethernet port, a USB console port and an in-band control-plane interface through the PTX5K fabric for full remote and local administration.
Yes. The RE-PTX-X8-128G-S-S runs Junos OS natively, offering feature parity with other PTX engines, including MPLS, EVPN, Segment Routing and advanced QoS capabilities.
Juniper provides a one-year limited hardware warranty on the RE-PTX-X8-128G-S-S, with optional advanced replacement, extended maintenance and 24/7 technical support contracts.
You can order the RE-PTX-X8-128G-S-S through authorized Juniper resellers, distributors or the Juniper online store. Contact your regional sales manager for lead times and pricing.
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