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RE-PTX-X8-128G-S-B
PTX Routing Engine , 8 core 2.3Ghz with 128G Memory, Secure...
Trusted by the Highest-Stakes Buyers
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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-B is a high-performance Ethernet module designed for modern data centers and enterprise network environments. This network card supports data rates of up to 10Gbps through its SFP+ connector, ensuring reliable connectivity and seamless communication between routers, switches, and servers. Its support for protocols such as TCP/IP and iSCSI makes it ideal for applications requiring efficient data transfer and robust network performance.
Engineered with a PCIe form factor that facilitates straightforward installation, RE-PTX-X8-128G-S-B is perfect for upgrading server network interfaces and expanding data center capacity. Its optimized design, featuring auto-negotiation, wake-on-LAN, jumbo frames, and QoS capabilities, delivers the high throughput and low latency required for mission-critical operations.
RE-PTX-X8-128G-S-B price is is available on request. Get immediate quote.
Request bulk order quote for RE-PTX-X8-128G-S-B for additional pricing. Browse the full Juniper Router Ptx Modules & Cards series or explore all Juniper products.
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| RE-PTX-X8-128G-S-B |  P1-PTX-24-10GE-SFPP |  PSM-BLANK-PTX |  P1-PTX-2-100GE-CFP |  FPD-SFF-PTX-S | |
|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, 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+ | SFP+ | SFP+ | CFP | SFP+ |
| Data Rate | 10Gbps | 10Gbps | 10Gbps | 100G | 10G |
| Form Factor | PCIe | Modular | PCIe | Modular | PCIe |
| Input Voltage | 3.3V | 12V DC | 3.3V | 3.3V | 3.3V |
| Interface Ports | SFP+ | SFP+ | SFP+ | CFP | SFP+ |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 100Gbps | 10Gbps |
| Module Type | Ethernet | 10 Gigabit Ethernet SFP+ Module | Ethernet | 100G Ethernet CFP | SFP+ |
| 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-B | P1-PTX-24-10GE-SFPP | PSM-BLANK-PTX | P1-PTX-2-100GE-CFP | FPD-SFF-PTX-S |
| Product Type | Network Card | Network Module | Network Module | 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 | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP, iSCSI | TCP/IP, iSCSI, Fibre Channel | TCP/IP / iSCSI | TCP/IP, iSCSI | TCP/IP, iSCSI |
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.
Routing engine delivered fast convergence.
Stable control plane under load.
Secure boot worked flawlessly.
Good base engine.
Strong performance.
The RE-PTX-X8-128G-S-B is a high-performance Routing Engine for PTX5000 series, featuring an 8-core 2.3 GHz CPU, 128 GB memory, Secure Boot and Base Bundle support.
The RE-PTX-X8-128G-S-B is compatible exclusively with Juniper PTX5000 series routers.
It provides 128 GB of DDR4 ECC memory for high-capacity routing tables and real-time analytics.
It uses an 8-core 2.3 GHz Intel® Xeon® processor optimized for packet forwarding and control plane functions.
Secure Boot cryptographically verifies the firmware and bootloader at startup, preventing unauthorized code execution.
The Base Bundle includes Junos OS, control-plane software, Secure Boot support, and chassis integration utilities.
Power off the chassis, slide the Routing Engine into the designated slot until it clicks, then power on and confirm boot.
The typical boot time is under 3 minutes, including Secure Boot validation and Junos OS initialization.
Upload the OS package via SCP or USB, then run ‘request system software add <package> reboot’ from the CLI.
It draws up to 250 W, operating on the PTX5000’s 48–56 V DC power distribution.
Yes, you can deploy dual Routing Engines for control-plane redundancy and hitless switchover.
It provides a dedicated 10/100/1000 Mbps Ethernet out-of-band management port and serial console.
Control-plane performance supports up to millions of routes per second and sub-millisecond decision time.
It ships in antistatic foam within a double-wall corrugated box, including mounting screws and documentation.
It includes a one-year limited hardware warranty with optional Juniper Care upgrades for extended support.
Technical support is available via Juniper Networks TAC portal, 24×7 phone, and online case submission.
United States
