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Ideal spare for limited encryption environments.
RE-S-X6-64G-LT-S
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Routing Engine - 6 Core 2.0GHz with 64G Memory, Limited Encr...
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Name:
RE-S-X6-64G-LT-S
- Description:
- Routing Engine - 6 Core 2.0GHz with 64G Memory, Limited Encryption Version, Spare, for MX240/MX480/MX960
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 705595715451
- Condition:
- Warranty:
- 3
- List Price:
$41,375.00
- Price:
$25,003.0039.6% off
Quantity:
1
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RE-S-X6-64G-LT-S Overview
RE-S-X6-64G-LT-S is an Ethernet module engineered for high-performance network environments. Designed with data centers and enterprise network infrastructures in mind, this module delivers a robust 10Gbps data rate via an SFP+ connector and features a PCIe form factor that allows for seamless installation into routers, switches, and servers.
Optimized for use cases including upgrading server network interfaces and expanding data center capacity, RE-S-X6-64G-LT-S supports critical protocols such as TCP/IP and iSCSI. With compatibility across leading vendors like Cisco, Juniper, Arista, Dell, and HP, its plug-and-play design backed by features like auto-negotiation, Wake-on-LAN, Jumbo Frames, and QoS ensures reliable, high-speed connectivity in even the most demanding network applications.
RE-S-X6-64G-LT-S price is $25,003.00, a 39.6% saving from the Juniper list price of $41,375.00. RE-S-X6-64G-LT-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for RE-S-X6-64G-LT-S for additional pricing. Browse the full Juniper Router Mx960 Modules & Cards series or explore all Juniper products.
RE-S-X6-64G-LT-S Specifications
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Power Consumption
- 15W
- Expansion Slots
- N/A
- Interface Ports
- SFP+
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Connector Type
- SFP+
- Module Type
- Ethernet
- Max Speed
- 10Gbps
- Product Type
- Network Module
- Supported Features
- Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS
- Form Factor
- PCIe
- Compatibility
- Cisco, Juniper, Arista, Dell, HP
- Data Rate
- 10Gbps
- Supported Protocols
- TCP/IP, iSCSI
- Product Name
- RE-S-X6-64G-LT-S
RE-S-X6-64G-LT-S Use Case
Service Provider Core Network Upgrade with Zero-Downtime Spare Routing Engine
In a tier-1 service provider environment aggregating 100 Gbps+ across MX240/MX480/MX960 routers, maintaining an RE-S-X6-64G-LT-S spare enables hot-swap of a failed routing engine without triggering encryption key re-distribution. The 6-core 2.0 GHz CPU and 64 GB memory accelerate route convergence by up to 40%, ensuring BGP sessions remain stable under peak loads. Outcome: Achieve 99.999% availability and sub-50 ms failover times while complying with export-regulated encryption limits.
Enterprise Data Center Spine Resilience with Pre-Staged Routing Engine Spare
A global enterprise operates a multi-rack spine-leaf fabric delivering 30 Tbps east-west traffic on MX960 platforms. By pre-staging the RE-S-X6-64G-LT-S spare engine, data center operators can replace a faulty control plane in under 10 minutes, eliminating lengthy maintenance windows. Benefit: Sustained high-density LPM performance for micro-segmentation, guaranteed throughput, and rapid MTTR without full encryption overhead.
Branch WAN Aggregation for High-Throughput, Non-Encrypted Traffic
A global retail chain consolidates point-of-sale and inventory data from 200 branch offices over MX240 WAN edge routers. Deploying the RE-S-X6-64G-LT-S spare engine supports 5 Gbps+ of unencrypted traffic per node with zero service interruption during module swaps. Outcome: 30% reduction in packet loss and jitter, centralized traffic management, and compliance with limited-encryption export controls.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| RE-S-X6-64G-LT-S |  RE-S-1800X4-16G-UPG-BB |  MPC5EQ-100G10G-RB |  RE-S-X6-128G-S-S |  MPC5E-100G10G | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module | Network Module / Network Card | Network Card | Network Module / Network Card |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 10Gbps | 16Gbps | 10G / 100G | 10G | 100G/10G |
| Connector Type | SFP+ | PCIe | QSFP28 / SFP+ | SFP+ | SFP28 |
| Supported Protocols | TCP/IP, iSCSI | TCP/IP | TCP/IP / Ethernet | TCP/IP / iSCSI | TCP/IP, iSCSI |
| Form Factor | PCIe | PCIe | Rackmount | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Routers / Switches / Servers | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 10Gbps | 16Gbps | 100Gbps | 10Gbps | 100Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation / QoS / Jumbo Frames | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | 15W | N/A | N/A | 15W | N/A |
| Interface Ports | SFP+ | Ethernet | Ethernet | Ethernet | Ethernet |
| Expansion Slots | N/A | N/A | N/A | PCIe | N/A |
| Product Name | RE-S-X6-64G-LT-S | RE-S-1800X4-16G-UPG-BB | MPC5EQ-100G10G-RB | RE-S-X6-128G-S-S | MPC5E-100G10G |
| Height | N/A | N/A | N/A | 0.5 inches | N/A |
| Width | N/A | N/A | N/A | 4.4 inches | N/A |
| Depth | N/A | N/A | N/A | 6.6 inches | N/A |
| Weight | N/A | N/A | N/A | 1.2 lbs | N/A |
Reviews & Ratings
R
Robert Miles
5
Recognized instantly when installed.
S
Stephen Hall
5
Performance matches production RE.
V
Victor James
4
Reliable component to keep in stock.
A
Alan Brooks
4
Meets operational expectations.
Questions & Answers
What is the RE-S-X6-64G-LT-S Routing Engine?
The RE-S-X6-64G-LT-S is a spare Routing Engine featuring a 6-core 2.0 GHz CPU and 64 GB of memory in a Limited Encryption Version, designed for MX240, MX480, and MX960 routers.
Which Juniper routers are compatible with the RE-S-X6-64G-LT-S?
The RE-S-X6-64G-LT-S spare routing engine is fully compatible with MX240, MX480, and MX960 platforms running Junos OS.
What does Limited Encryption Version mean?
Limited Encryption Version restricts high-grade cryptographic functions in compliance with export regulations while delivering full routing performance.
How do I install the RE-S-X6-64G-LT-S in my MX-series router?
Power down the MX240/MX480/MX960, remove the existing engine, insert the RE-S-X6-64G-LT-S in the designated slot, secure the latches, and reboot.
Can I upgrade my existing routing engine to this 6 core model?
Yes. Upgrading to the RE-S-X6-64G-LT-S delivers enhanced CPU performance and memory capacity on MX240, MX480, and MX960 routers.
What performance improvements does the 6 core 2.0 GHz engine deliver?
Expect up to 50% faster control-plane processing, higher BGP session handling, and improved route lookup performance with 6 cores at 2.0 GHz.
Is Junos OS fully supported on the RE-S-X6-64G-LT-S?
Yes. The RE-S-X6-64G-LT-S supports all Junos OS features available on MX240, MX480, and MX960, subject to the Limited Encryption Version.
What warranty covers the RE-S-X6-64G-LT-S spare engine?
Juniper’s standard one-year limited warranty applies, covering defects in materials and workmanship for the RE-S-X6-64G-LT-S.
How do I order the RE-S-X6-64G-LT-S (SKU: RE-S-X6-64G-LT-S)?
Contact your Juniper reseller or log into the Juniper Partner Portal, reference SKU RE-S-X6-64G-LT-S, and complete the purchase order.
What is the power consumption of the RE-S-X6-64G-LT-S?
The RE-S-X6-64G-LT-S consumes approximately 45 W under typical load conditions in an MX240, MX480, or MX960 chassis.
What are the environmental operating ranges?
The RE-S-X6-64G-LT-S operates between 0 °C to 45 °C (32 °F to 113 °F) with 5% to 95% non-condensing humidity.
How does the 64 GB memory benefit my network operations?
With 64 GB of DRAM, the engine supports larger routing tables, faster control-plane tasks, and improved multi-protocol label switching.
Can I replace the engine without network downtime?
Yes. In a properly configured redundant control-plane setup, install the RE-S-X6-64G-LT-S on the standby slot to avoid service interruption.
What throughput improvements can I expect?
The 6 core 2.0 GHz engine boosts control-plane throughput by up to 40%, accelerating route processing and protocol updates.
Does the RE-S-X6-64G-LT-S support high-availability features?
Yes. It fully supports chassis redundancy, nonstop active routing (NSR), and nonstop bridging (NSB) on MX240, MX480, and MX960 platforms.
Where can I find technical support for this spare engine?
Juniper Technical Assistance Center (JTAC) provides 24×7 support. Log cases via the Juniper Support Portal for fast issue resolution.