United States$5,000,000+
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Noah Blake
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8-pack SFP+ for Nexus 3K ensures high-speed connectivity and easy deployment.
N3K-PO-8PK
8 UNITS OF SFP+ SR FOR NEXUS 3K
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N3K-PO-8PK
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- 8 UNITS OF SFP+ SR FOR NEXUS 3K
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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
- 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
- Power Consumption
- N/A
- 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
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| N3K-PO-8PK |  DWDM-SFP10G-60.61 |  SFP-10G-ZR-S |  CWDM-SFP10G-1490 |  DWDM-SFP10G-50.12 | |
|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 40G | 10G | 10G | 10G | 10G |
| Depth | N/A | 0.33 inches | 3.40 inches | 1.18 inches | N/A |
| Fiber Type | Multi-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Form Factor | QSFP+ | SFP+ | SFP+ | SFP+ | SFP |
| Height | N/A | 0.5 inches | 0.65 inches | 0.30 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 100 meters | 80 km | 80 km | 80 km | 50 km |
| Network Interface | Fiber | Fiber | Fiber | Ethernet | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | 2.5 W | 1.5 W | 1.5 W | N/A |
| Product Name | N3K-PO-8PK | DWDM-SFP10G-60.61 | SFP-10G-ZR-S | CWDM-SFP10G-1490 | DWDM-SFP10G-50.12 |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet |
| Transmission Distance | Short-Range | Extended-Range | Long-Range | Long-Range | Long-Range |
| Wavelength | 850nm | 1550.61 nm | 1310nm | 1490 nm | 1550 nm |
| Weight | N/A | 0.04 lbs | 0.2 lbs | 0.07 lbs | N/A |
| Width | N/A | 2.2 inches | 0.87 inches | 0.87 inches | N/A |
Reviews & Ratings
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.