Worldwide$5,000,000+
Inventory Delivered By
J
James Ashcroft
5
Routing engine delivered fast convergence.
RE-PTX-X8-128G-S-B
Original Stock
Ready to Ship
PTX Routing Engine , 8 core 2.3Ghz with 128G Memory, Secure...
FEATURED DEAL
Name:
RE-PTX-X8-128G-S-B
- Description:
- PTX Routing Engine , 8 core 2.3Ghz with 128G Memory, Secure Boot, Base Bundle for PTX5K
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 705595731246
- Condition:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
RE-PTX-X8-128G-S-B Overview
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.
RE-PTX-X8-128G-S-B Specifications
- Product Type
- 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
- Cisco, Juniper, Dell, HP
- Max Speed
- 10Gbps
- Supported Features
- Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS
- Power Consumption
- 12W
- Interface Ports
- SFP+
- Expansion Slots
- N/A
- Product Name
- RE-PTX-X8-128G-S-B
- Height
- 0.74 inches
- Width
- 3.4 inches
- Depth
- 4.2 inches
- Weight
- 0.65 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 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 |
| Depth | 4.2 inches | 7.09 inches | N/A | N/A | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | PCIe | Modular | PCIe | Modular | PCIe |
| Height | 0.74 inches | 0.84 inches | N/A | N/A | N/A |
| 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 |
| Power Consumption | 12W | 6W | N/A | 15W | N/A |
| 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 |
| Weight | 0.65 lbs | 1.65 lbs | N/A | N/A | N/A |
| Width | 3.4 inches | 4.45 inches | N/A | N/A | N/A |
Reviews & Ratings
N
Nathan Kingswell
5
Stable control plane under load.
H
Henry Standish
4
Secure boot worked flawlessly.
L
Lucas Pennington
5
Good base engine.
V
Victor Darlington
5
Strong performance.
Questions & Answers
What is the PTX Routing Engine RE-PTX-X8-128G-S-B?
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.
Which PTX platforms support the RE-PTX-X8-128G-S-B?
The RE-PTX-X8-128G-S-B is compatible exclusively with Juniper PTX5000 series routers.
How much memory does the RE-PTX-X8-128G-S-B provide?
It provides 128 GB of DDR4 ECC memory for high-capacity routing tables and real-time analytics.
What CPU does the RE-PTX-X8-128G-S-B use?
It uses an 8-core 2.3 GHz Intel® Xeon® processor optimized for packet forwarding and control plane functions.
What is Secure Boot on the RE-PTX-X8-128G-S-B?
Secure Boot cryptographically verifies the firmware and bootloader at startup, preventing unauthorized code execution.
What components are included in the Base Bundle for PTX5K?
The Base Bundle includes Junos OS, control-plane software, Secure Boot support, and chassis integration utilities.
How do I install the RE-PTX-X8-128G-S-B in a PTX5000 chassis?
Power off the chassis, slide the Routing Engine into the designated slot until it clicks, then power on and confirm boot.
What is the typical boot time for the RE-PTX-X8-128G-S-B?
The typical boot time is under 3 minutes, including Secure Boot validation and Junos OS initialization.
How do I upgrade Junos OS on the RE-PTX-X8-128G-S-B?
Upload the OS package via SCP or USB, then run ‘request system software add <package> reboot’ from the CLI.
What power specifications does the RE-PTX-X8-128G-S-B require?
It draws up to 250 W, operating on the PTX5000’s 48–56 V DC power distribution.
Does the RE-PTX-X8-128G-S-B support redundancy?
Yes, you can deploy dual Routing Engines for control-plane redundancy and hitless switchover.
What management interfaces are available on RE-PTX-X8-128G-S-B?
It provides a dedicated 10/100/1000 Mbps Ethernet out-of-band management port and serial console.
What throughput can I expect with the RE-PTX-X8-128G-S-B?
Control-plane performance supports up to millions of routes per second and sub-millisecond decision time.
How is the RE-PTX-X8-128G-S-B packaged for shipment?
It ships in antistatic foam within a double-wall corrugated box, including mounting screws and documentation.
What warranty covers the RE-PTX-X8-128G-S-B?
It includes a one-year limited hardware warranty with optional Juniper Care upgrades for extended support.
Where can I get technical support for the RE-PTX-X8-128G-S-B?
Technical support is available via Juniper Networks TAC portal, 24×7 phone, and online case submission.