Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Featured Deal
Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
2 In stock - Ready to Ship
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
$8,355.00
$4,396.0047.4% off
Quantity:
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:
NXM-X4D
Nexus 400G Line Expansion Module
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
NXM-X4D is a high-performance Ethernet module engineered for high-speed connectivity in data centers and enterprise networks. Designed as a PCIe card, it supports data rates of 10Gbps and 40Gbps through its SFP+ connector interface, making it ideal for upgrading server network interfaces and connecting to high-speed networks. Its robust design is compatible with leading routers, switches, and servers, and it fully supports protocols like TCP/IP and iSCSI for reliable network communication.
Optimized for installation in demanding environments, the NXM-X4D module offers a compact form factor with easy PCIe integration. Its advanced features such as auto-negotiation, Wake-on-LAN, Jumbo Frames, and QoS ensure efficient and reliable data transfer, making it perfect for expanding data center capacity and streamlining network upgrades.
NXM-X4D price is $4,396.00, a 47.4% saving from the Cisco list price of $8,355.00. NXM-X4D is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for NXM-X4D for additional pricing. Browse the full Cisco Nexus 3000 Switch Modules & Cards series or explore all Cisco products.
A global cloud provider integrates the NXM-X4D-Nexus 400G Line Expansion Module into its spine-and-leaf fabric to consolidate four 100G uplinks into a single 400G link. This upgrade streamlines cabling, slashes port-count by 75%, and delivers up to 1.6Tbps of aggregate spine capacity, enabling seamless VM east–west traffic growth and 30% lower per-Gbps transport cost.
A multinational investment bank deploys the NXM-X4D-Nexus 400G module in its trading floors to interconnect order-matching engines and market data feeds. By leveraging 400G QSFP-DD direct links, the solution achieves sub-microsecond latency, improves trade execution speed by 20%, and secures regulatory compliance through deterministic jitter control.
A Tier-1 service provider implements the NXM-X4D-Nexus 400G Line Expansion Module in its Metro Ethernet core to support multi-tenant EVPN services. The high-density 400G ports double service throughput, enable hitless maintenance with redundant hot-swap modules, and guarantee 99.999% uptime for SLA-driven business and residential customers.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| Product Type | Network Module | Network Module | Network Card |
| Module Type | Ethernet | Ethernet | Ethernet |
| Data Rate | 10Gbps / 40Gbps | 10G | 10Gbps |
| Connector Type | SFP+ | SFP+ | RJ-45 |
| Supported Protocols | TCP/IP / iSCSI | TCP/IP / iSCSI | TCP/IP / iSCSI |
| Form Factor | PCIe | PCIe | PCIe |
| Operating Temperature | 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 |
| Input Voltage | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP |
| Max Speed | 40Gbps | 10Gbps | 10Gbps |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames |
| Power Consumption | 15W | 7W | 12W |
| Interface Ports | Ethernet | SFP+ | Ethernet |
| Product Name | NXM-X4D High Performance Ethernet Module | NXM-XBLNK 10G Ethernet Module | NXM-X16C Network Card |
| Height | 0.5 inches | 1.5 inches | 0.7 inches |
| Width | 3.0 inches | 3.4 inches | 3.4 inches |
| Depth | 4.0 inches | 0.5 inches | 4.5 inches |
| Weight | 1.2 lbs | 0.2 lbs | 0.5 lbs |
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.
The Nexus 400G Line Expansion Module has greatly increased our bandwidth capacity. It's a high-performance solution for handling heavy traffic loads efficiently.
The NXM-X4D expansion module offers exceptional 400G performance. It integrates seamlessly into our network, offering fast, reliable connectivity for growing demands.
We upgraded to the NXM-X4D for its high-speed performance. It's ideal for handling large-scale data traffic with low latency and high efficiency.
The NXM-X4D expansion module provides excellent throughput. It's been a great addition, allowing our network to scale while maintaining high-performance standards.
This expansion module offers robust performance and handles large data volumes with ease. The NXM-X4D is perfect for expanding our network's capacity.
The Nexus 400G Line Expansion Module (NXM-X4D) is a Cisco line card that delivers four 400 Gbps QSFP-DD ports to expand Nexus 9500 series switch capacity.
The NXM-X4D is compatible with Cisco Nexus 9504, 9508, and 9516 chassis running NX-OS Release 9.3(5) or later.
Key features include four QSFP-DD 400 Gbps ports, up to 1.6 Tbps module throughput, low-latency forwarding, and advanced telemetry analytics.
To install, power down the chassis, slide the NXM-X4D into an available line card slot, secure the captive screws, then power up and verify slot status via CLI.
Each NXM-X4D delivers up to 1.6 Tbps of bidirectional throughput with sub-microsecond latency for high-performance data center fabrics.
The NXM-X4D supports four independent 400 Gbps QSFP-DD ports on a single line module.
The NXM-X4D supports Cisco QSFP-DD optical and PAM4 DAC/AOC transceivers for distances up to 10 km over single-mode fiber.
Typical power consumption is 100 W per NXM-X4D module under full load, with a maximum of 120 W for peak traffic scenarios.
Yes, the NXM-X4D is hot-swappable, allowing insertion or removal without shutting down the entire system.
Upgrade the NXM-X4D firmware using the NX-OS CLI command “install all nxos bootflash:<image>” followed by a module reload.
The NXM-X4D operates at 0 °C to 40 °C, stores at –40 °C to 70 °C, and tolerates 5%–85% non-condensing humidity with front-to-back airflow.
The NXM-X4D includes a standard one-year Cisco hardware warranty; extended SMARTnet maintenance and software support are available optionally.
Yes, you can populate multiple line-card slots with NXM-X4D modules up to the chassis slot capacity to scale port density.
By adding 1.6 Tbps per module and four 400 Gbps ports, the NXM-X4D enables seamless network growth without additional chassis.
The NXM-X4D requires front-to-back airflow delivering at least 75 cfm per slot to maintain optimal operating temperatures.
Yes, the NXM-X4D is IEEE 802.3bs and 802.3cd compliant and meets RoHS, CE, and FCC regulatory requirements.
Order the Nexus 400G Line Expansion Module by contacting a Cisco authorized reseller and quoting SKU NXM-X4D.