REFURBISHED
Juniper
Juniper EX-4PST-RMK 3rd Party 4-Post Adjustable Rack Mount Kit
MPN: EX-4PST-RMK
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Lifetime
Warranty
ISO 9001
Certified Testing
R2v3
Responsible Refurb
25+
Years
5K+
Customers
ISO
Certified
✓
Tested
Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Third-party precision. Enterprise-grade fit. Backed by 25 years of infrastructure trust.
This 3rd party Juniper EX-4PST-RMK compatible 4-Post Adjustable Rack Mount Kit delivers a secure, professional mounting solution for a broad range of Juniper EX Series switches. Professionally tested and reset to factory defaults before shipment, this aftermarket kit is built for IT teams that need reliable infrastructure hardware without the OEM price tag. At $159, it offers a compelling alternative to the original Juniper accessory for budget-conscious enterprise deployments.The EX-4PST-RMK features an adjustable 4-post design compatible with standard 19-inch four-post racks and cabinets. Its depth-adjustable rail system accommodates varying rack depths, making it a versatile fit across data center and enterprise wiring closet environments. Compatible Juniper EX Series switches span from the EX2300 and EX3400 through the EX4100, EX4300, and EX4400 families, giving network teams maximum flexibility across multi-generational Juniper deployments.
WhaleyComm has served 5,000+ enterprise customers across 25+ years, sourcing and delivering infrastructure hardware that performs. This 3rd party EX-4PST-RMK compatible kit gives your team the same physical installation quality as the OEM option — at a price that keeps procurement happy. Every unit ships with our Lifetime Warranty and ISO 9001-certified inspection.
Technical Specifications
Part Number
EX-4PST-RMK
Manufacturer
Juniper Networks (OEM reference); this unit is 3rd party compatible
Product Type
4-Post Adjustable Rack Mount Kit
Mount Configuration
4-post adjustable
Rack Compatibility
Standard 19-inch four-post racks and cabinets
Depth Adjustment
Adjustable to fit varying rack depths
Condition
Refurbished
Ideal Use Cases
Data Center Switch Rack Mounting
Secures Juniper EX Series switches into standard four-post data center racks with adjustable depth, ensuring stable installation across varied rack enclosures.
Enterprise Wiring Closet Deployment
Ideal for IT teams standardizing Juniper EX switch installations in campus or branch wiring closets that use four-post open-frame racks.
Multi-Generation EX Fleet Standardization
Supports a wide range of EX Series switch models from EX2300 through EX4400, making it a single mounting solution for organizations running mixed Juniper EX hardware generations.
Budget-Conscious Infrastructure Refresh
Provides a cost-effective alternative to OEM rack hardware for teams refreshing aging rack accessories without replacing the switches themselves.
Rapid Deployment and Replacement
Purpose-built for fast installation, allowing network operations teams to mount or replace switches in live environments with minimal downtime.
What's Included
1x 3rd Party Compatible EX-4PST-RMK 4-Post Adjustable Rack Mount Kit
Front and rear mounting brackets
Side mounting rails
Mounting screws
Lifetime Warranty — No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. We have stood behind our hardware for 25 years and 5,000+ customers — that is not a marketing line, it is our operating standard.
Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
Per the official Juniper HCT portal (apps.juniper.net) and the Juniper EX4000 Line of Ethernet Switches datasheet, the EX-4PST-RMK is listed as compatible with the following Juniper EX Series switches
EX2300
EX3400
EX4100
EX4100-F
EX4300
EX4400
EX4000
Additionally, multiple market sources confirm compatibility with the following legacy EX Series models
EX2200
EX3200
EX3300
EX4200
EX4550
For compatibility verification specific to your environment, contact our engineering team: +1 214 607-4800 or sales@whaleycomm.com
Shipping & Returns
Clear fulfilment, tracking, return, warranty, and support information for enterprise hardware orders.
Shipping
Orders typically ship within 1-2 business days after payment confirmation. Tracking details are shared once the order has been dispatched.
Returns
Eligible products can be returned according to WhaleyComm's return policy. For DOA, warranty, or product-related issues, contact the support team for replacement or resolution.
Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
Per the official Juniper HCT portal and EX4000 line datasheet, the EX-4PST-RMK is listed as compatible with the EX2300, EX3400, EX4100, EX4100-F, EX4300, and EX4400 switch families. Multiple market sources also note compatibility with the EX2200, EX3200, EX3300, and EX4200. For confirmation against your specific model and environment, contact our engineering team at +1 214 607-4800 or sales@whaleycomm.com.
Yes. The EX-4PST-RMK is designed for standard 19-inch four-post racks and cabinets. Its adjustable depth rails accommodate varying rack depths, making it compatible with a wide range of four-post rack enclosures used in enterprise and data center environments.
This is a 3rd party compatible unit, not an OEM Juniper Networks part. It is designed and tested to provide equivalent mounting functionality for supported Juniper EX Series switches at a reduced cost.
Yes. Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it at no cost — no time limits, no questions asked.
Every unit goes through our ISO 9001-certified testing process: full power-on diagnostics, port-by-port functionality testing, firmware verification, factory reset, and final inspection. A Certificate of Testing ships with every unit.
Juniper EX-4PST-RMK 3rd Party 4-Post Adjustable Rack Mount Kit
$175.00
Juniper
Juniper EX-4PST-RMK 3rd Party 4-Post Adjustable Rack Mount Kit
MPN: EX-4PST-RMK
$175.00
In Stock — Ships Same Day
