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N3K-PO-8PK
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8 UNITS OF SFP+ SR FOR NEXUS 3K
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Name:
N3K-PO-8PK
- Description:
- 8 UNITS OF SFP+ SR FOR NEXUS 3K
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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N3K-PO-8PK Overview
N3K-PO-8PK is a high-performance QSFP+ transceiver module engineered for modern data centers and enterprise networks. Designed to support a 40G data rate, this compact module utilizes an LC connector and is optimized for short-range transmission over multi-mode fiber connections, ensuring efficient high-speed Ethernet performance.
N3K-PO-8PK features a small form factor with industry-standard physical dimensions that enable seamless integration into high-density network environments. Ideal for telecom applications as well as cutting-edge data centers, this transceiver delivers reliable connectivity and robust protocol support while maintaining compatibility with major network vendors.
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N3K-PO-8PK Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- QSFP+
- Data Rate
- 40G
- Connector Type
- LC
- Wavelength
- 850nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 100 meters
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- N3K-PO-8PK
N3K-PO-8PK Use Case
High-Density Data Center Aggregation with N3K-PO-8PK-8 Units of SFP+ SR
In enterprise data centers running Cisco Nexus 3000 Series leaf-spine architectures, deploying N3K-PO-8PK-8 units of SFP+ SR for Nexus 3K enables seamless 10GbE multimode fiber aggregation between top-of-rack switches and spine nodes. The outcome is higher throughput per rack, reduced cabling complexity, and predictable low-latency performance for virtualization and East-West traffic.
Low-Latency HPC Cluster Interconnect with N3K-PO-8PK-8 Units of SFP+ SR
In high-performance computing (HPC) environments, research institutes leverage N3K-PO-8PK-8 units of SFP+ SR for Nexus 3K to link compute nodes over multimode fiber up to 300 meters. This configuration delivers sub-microsecond latency and sustained 10GbE bandwidth, accelerating data-intensive simulations and ensuring reliable node-to-node communication.
Campus Building Uplinks with N3K-PO-8PK-8 Units of SFP+ SR
When upgrading campus networks to 10GbE fiber backbones, IT teams install N3K-PO-8PK-8 units of SFP+ SR for Nexus 3K in edge switches to connect multiple buildings to a central core switch over multimode fiber. The benefit is simplified infrastructure management, scalable 10GbE connectivity for academic labs, and future-proofed network capacity.
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Product Comparison Table 
| N3K-PO-8PK |  DWDM-SFP10G-60.61 |  SFP-10G-ZR-S |  CWDM-SFP10G-1490 |  DWDM-SFP10G-50.12 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Optical Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP+ | SFP+ | SFP+ | SFP+ | SFP |
| Data Rate | 40G | 10G | 10 Gbps | 10G | 10G |
| Connector Type | LC | LC | LC Duplex | LC | LC |
| Fiber Type | Multi-mode | Single-mode | Single-Mode (SMF) | Single-mode | Single-mode |
| Operating Temperature | 0 to 70°C | 0 to 70°C | Commercial (0°C to 70°C) | 0 to 70°C | 0 to 70°C |
Compliance & Coverage
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
N
Noah Blake
5
8-pack SFP+ for Nexus 3K ensures high-speed connectivity and easy deployment.
O
Olivia Hayes
4
Professional-grade modules provide stable throughput across all ports.
P
Preston Drake
5
Durable and reliable for enterprise-class deployments.
Q
Quinn Frost
5
Minimal errors and consistent performance for critical networks.
R
Rhea Blake
4
Ideal for high-speed 10G backbone connections.
Questions & Answers
What is the Cisco N3K-PO-8PK SFP+ SR module pack?
The N3K-PO-8PK is a pack of eight Cisco SFP-10G-SR transceivers designed for Nexus 3000 Series switches, offering 10 Gbps multimode fiber connectivity up to 300 m on OM3 or 400 m on OM4.
What transmission distance does the Cisco SFP-10G-SR support?
The Cisco SFP-10G-SR supports up to 300 m on OM3 and 400 m on OM4 multimode fiber using standard LC duplex connectors.
Which Cisco Nexus 3000 Series switches are compatible with N3K-PO-8PK?
The N3K-PO-8PK is fully compatible with all Cisco Nexus 3000 Series switches, including N3K-C3048TP-1GE, N3K-C3064PQ-10GX, N3K-C3064T, and N3K-C3172PQ models.
What type of fiber cable is required for SFP-10G-SR modules?
Cisco SFP-10G-SR modules require OM3 or OM4 multimode fiber cables with LC duplex connectors to achieve specified distances.
Are the Cisco SFP+ SR modules in the N3K-PO-8PK hot-swappable?
Yes, each SFP-10G-SR transceiver in the N3K-PO-8PK pack is hot-swappable, allowing insertion or removal without powering down the switch.
Does the Cisco SFP-10G-SR support Digital Optical Monitoring (DOM)?
Yes, the Cisco SFP-10G-SR supports DOM for real-time monitoring of optical power, temperature, voltage, and other key metrics.
How much power does each SFP-10G-SR transceiver consume?
Each Cisco SFP-10G-SR transceiver consumes less than 1 W of power, ensuring energy-efficient 10 Gbps performance.
What is the installation process for N3K-PO-8PK modules?
Align the module’s ejector pin with the switch port, slide the SFP-10G-SR into the port until it latches, then verify link status via LEDs or the switch CLI.
What warranty covers the Cisco N3K-PO-8PK?
The N3K-PO-8PK is covered by Cisco’s limited lifetime warranty and technical support for the period the original end user owns the product.
Can I mix third-party SFP+ modules with Cisco Nexus switches?
Cisco recommends using Cisco-branded modules like the N3K-PO-8PK to ensure full compatibility, optimal performance, and maintain warranty coverage.
What is the mean time between failures (MTBF) for Cisco SFP-10G-SR?
The Cisco SFP-10G-SR offers an MTBF exceeding 1,000,000 hours, providing enterprise-grade reliability in data center environments.
How can I verify the authenticity of Cisco N3K-PO-8PK modules?
Use Cisco’s online Product Authenticity Verification (PAV) tool by entering the module’s serial number to confirm genuine Cisco hardware.
What operating temperature range does the SFP-10G-SR support?
Cisco SFP-10G-SR transceivers operate in temperatures from 0 °C to 70 °C (32 °F to 158 °F) in standard mode.
Do I need additional licenses for the N3K-PO-8PK modules?
No additional software licenses are required; Cisco Nexus switches natively support SFP-10G-SR modules included in the N3K-PO-8PK pack.
What is the SKU and Cisco part number for ordering N3K-PO-8PK?
The SKU is N3K-PO-8PK and the Cisco part number is SFP-10G-SR (sold as an 8-pack), available through authorized Cisco resellers.
Where can I find the datasheet for Cisco N3K-PO-8PK?
The official datasheet is available on Cisco’s website under the Nexus 3000 Series transceivers section, detailing specifications, features, and deployment guidelines.