HP 849444-001 Adapter QSFP28-SFP28 845970-B21

( Brand: Hp ), ( Manufacturer Part Number: 849444-001 ), ( Part Type: Adapter )

Review HP Adapter

The HP 849444-001 adapter, also known as the QSFP28-SFP28 845970-B21, is a versatile and high-performance networking solution designed for data center applications. This bi-directional transceiver adapter enables the connection between two different types of fiber optic interfaces, specifically QSFP28 (Quad Small Form-factor Pluggable 28 Gbps) and SFP28 (Small Form-factor Pluggable 28 Gbps).

This adapter is built using advanced technology that supports both single-mode and multi-mode fiber types, with a reach of up to 10 kilometers for single-mode fiber and up to 100 meters for multi-mode fiber. It delivers a reliable and consistent data transfer rate of 25 Gbps full duplex, making it an ideal choice for high-bandwidth applications such as data center interconnects, server-to-server connections, and storage area networks.

The HP 849444-001 adapter is designed with a robust and compact form factor, ensuring easy installation and integration into existing infrastructure. It is also compliant with industry standards such as SFF-8436 and IEEE 802.3bj, ensuring interoperability with a wide range of networking equipment.

The adapter comes with a number of features that enhance its functionality and ease of use. These include automatic detection of fiber type and length, which simplifies the configuration process, and support for both active and passive cooling, allowing it to be used in a variety of thermal environments.

Furthermore, this adapter is backed by HP's renowned quality and reliability, with a comprehensive warranty and technical support services available to ensure optimal performance and longevity. Overall, the HP 849444-001 adapter is a must-have networking component for data center professionals seeking high-bandwidth, flexible, and reliable connectivity solutions.

The HP 849444-001 adapter, also known as QSFP28-to-SFP28 845970-B21, is a networking adapter used to convert Quad Small Form-factor Pluggable 28 (QSFP28) to Small Form-factor Pluggable 28 (SFP28) connectors. Here are some potential pros and cons of purchasing this adapter:

1. Flexibility: This adapter provides the flexibility to use QSFP28 ports for devices that only support SFP28 connectors.

2. Cost-effective: It is a cost-effective solution to upgrade the network infrastructure without having to replace all the cables and devices.

3. Easy to install: The adapter is easy to install as it is a plug-and-play device, and no additional software is required.

4. Supports long-distance transmission: This adapter supports long-distance transmission up to 10 kilometers, making it suitable for large data centers and enterprise networks.

5. Compatibility: The HP 849444-001 adapter is compatible with various network devices and servers, including HP, Dell, Cisco, Juniper, and Arista.

1. Limited bandwidth: This adapter supports only 25Gbps bandwidth, which might not be sufficient for high-bandwidth applications.

2. Additional cost: Although this adapter is cost-effective compared to replacing all the cables and devices, it still requires an additional investment.

3. Size: The adapter is larger than traditional SFP28 connectors, which might require additional space in the rack.

4. Power consumption: The adapter consumes more power compared to traditional SFP28 connectors, which might increase the overall power consumption of the network.

In conclusion, the HP 849444-001 adapter is a useful networking component for organizations that need to connect QSFP28 ports to SFP28 devices. It offers flexibility, cost-effectiveness, and easy installation. However, it has some limitations, such as limited bandwidth, additional cost, size, and power consumption.

If your organization requires a high-bandwidth solution, you might want to consider other options, such as upgrading to 50Gbps or 100Gbps QSFP28 connectors. However, if you need to connect SFP28 devices to QSFP28 ports within the 25Gbps bandwidth limit, then this adapter is a good investment.

Recommendation: If you need to connect SFP28 devices to QSFP28 ports and are working within the 25Gbps bandwidth limit, then the HP 849444-001 adapter is a recommended solution. It offers flexibility, cost-effectiveness, and easy installation, making it a practical choice for many organizations.

Details:

Condition: Refurbished. Our Platforms. Rhino stocks just about all things HP, Nimble, IBM, Dell, Sun, Cisco, Super Micro and Juniper, both new refurbished. On the image below to get zoomed view of Item.

Shipping Details. Quantity Available: 14. 849444-001 HP ADAPTER QSFP28-SFP28, 845970-B21: Manufacturer. Ships: Today.

Global shipping available to most locations. Part number: 849444-001.

part #: 849444001 prices

• $199.99-$1034.99

specifications switchchunk:

• brand: Hp
• mpn: 849444-001
• part type: Adapter

returns switchchunk:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted
• method: Money back

seller switchchunk:

• rating: 99.7%
• # reviews: 9501
• city: Eden Prairie, Minnesota

offer switchchunk:

• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0
• started: November 25, 2025

payments switchchunk:

• credit card: Discover
• other
• wallet: Apple-pay

general switchchunk:

• condition: Used
• Enterprise Networking, Servers > Switches Hubs > Switch Modules

shipping switchchunk:

• carrier: UPS
• type: Calculated
• class: Standard, One-day, Expedited
• transit: 3-6 Days
• cost: $0.00
• service: UPS Ground, UPS Next Day Air Saver, UPS 2nd Day Air

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