HP 825110-B21 Infiniband Edr Ethernet Single Port Adapter Edr/ethernet 100GBPS 840QSFP28

( Brand: Hp ), ( Manufacturer Part Number: 825110-B21 ), ( Type: Network Adapter ), ( Network Ports: Sfp )

Review HP Infiniband Edr/ethernet Single port 100gbps Adapter

The **HP 825110-b21 Infiniband EDR/SFP28 Single-Port 100Gbps Adapter** is a high-performance, enterprise-grade networking solution designed to deliver unparalleled speed, reliability, and flexibility for data-intensive workloads in modern computing environments. Engineered to meet the demands of next-generation HPC (High-Performance Computing), cloud infrastructure, and large-scale data centers, this adapter seamlessly integrates with HP ProLiant servers to provide a robust foundation for high-speed, low-latency communication. Built with cutting-edge **Infiniband Enhanced Data Rate (EDR)** technology, it achieves blazing speeds of **100Gbps**, enabling rapid data transfer, accelerated parallel processing, and optimized cluster performance ideal for applications such as AI/ML training, scientific simulations, and real-time analytics. The adapter supports both **Infiniband EDR** and **Ethernet** protocols, offering versatility for environments that require either high-speed proprietary networking or standard IP-based connectivity. Its **single-port design** simplifies deployment while maintaining exceptional throughput, making it a space-efficient yet powerful addition to any server configuration.

At the heart of this adapter lies the **QSFP28 (Quad Small Form-factor Pluggable 28)** interface, a compact yet high-density connector that supports both **Infiniband EDR** and **100G Ethernet** via a single QSFP28 transceiver. This modular approach ensures compatibility with a wide range of networking hardware, including Infiniband switches, Ethernet switches, and storage arrays, while also accommodating future upgrades. The adapter is engineered for **low-latency performance**, minimizing data bottlenecks and ensuring smooth operation even under heavy workloads. Its robust construction, featuring high-quality materials and rigorous testing, guarantees durability in demanding environments, reducing downtime and maintenance requirements. Additionally, the adapter is designed with **energy efficiency** in mind, helping to lower operational costs while maintaining peak performance a critical consideration for large-scale deployments.

For IT administrators and data center managers, the **HP 825110-b21** represents a strategic investment in scalability and performance. Its seamless integration with HP s ProLiant server ecosystem ensures compatibility with a broad range of server models, from high-end compute nodes to storage servers, making it an ideal choice for heterogeneous environments. The adapter s support for **Infiniband EDR** also enhances interoperability with other high-performance networking solutions, enabling optimized data center architectures that prioritize speed and efficiency. Whether deployed in a **supercomputing cluster, a hyperscale cloud environment, or a high-performance storage system**, this adapter delivers the raw power and reliability needed to handle today s most demanding computational tasks. With its combination of speed, flexibility, and enterprise-grade reliability, the **HP 825110-b21** stands as a cornerstone for next-generation networking infrastructure.

### **Pros and Cons of buying a HP 8251110-B21 Infiniband EDR/QSFP28 Adapter**

#### **Pros**

1. **High Performance and Bandwidth**

The adapter supports **100 Gbps** throughput, making it ideal for high-performance computing (HPC), data centers, and applications requiring massive data transfer rates. It is compatible with both **Infiniband EDR (Enhanced Data Rate)** and **Ethernet**, providing flexibility in network configurations.

2. **Compatibility with Multiple Standards**

- **Infiniband EDR (25.6 Gbps per lane, 4 lanes 102.4 Gbps)** Suitable for HPC clusters, storage networks, and low-latency applications.

- **Ethernet (100 Gbps)** Works with standard Ethernet infrastructure, allowing seamless integration into existing networks.

- **QSFP28 Form Factor** Supports **4x 25Gbps lanes**, enabling future-proofing for emerging technologies like **100G Ethernet, Infiniband HDR (if upgraded), or even 400G breakout** (via QSFP56/DAUI).

3. **Low Latency**

Infiniband networks are optimized for **low-latency, high-throughput** communication, which is critical for scientific computing, financial modeling, and real-time data processing.

4. **Enterprise-Grade Reliability**

HP (now HPE) is a trusted vendor in enterprise networking, ensuring **durability, compatibility with HPE servers**, and robust technical support.

5. **Cost-Effective for High-Speed Needs**

While 100G Ethernet cards can be expensive, this adapter provides **dual-protocol support**, reducing the need for separate Infiniband and Ethernet adapters in mixed environments.

6. **Future-Proofing**

The QSFP28 port allows for **future upgrades** such as transitioning to **400G breakout** or supporting newer Infiniband standards (e.g., HDR) with firmware updates.

7. **Widely Supported in HPC and Data Center Environments**

Many high-performance computing clusters and enterprise storage systems (e.g., HPE ProLiant, Superdome, or BladeSystem) natively support Infiniband, making this adapter a natural fit.

---

#### **Cons**

1. **High Upfront Cost**

A **100Gbps adapter** is significantly more expensive than standard 1Gbps or 10Gbps cards. The cost may not be justified for small businesses or non-HPC workloads.

2. **Complexity in Setup and Configuration**

- Infiniband requires **specialized knowledge** for proper network segmentation, QoS (Quality of Service), and security configurations.

- Unlike standard Ethernet, Infiniband may need **dedicated switches, cables (QSFP28), and firmware tuning**, adding operational complexity.

- **Driver and OS compatibility** must be verified, especially for non-Windows environments (Linux, VMware, etc.).

3. **Limited Consumer/General Use Case**

- **Not necessary for most home or small office networks** 10Gbps or even 2.5Gbps is sufficient for typical business applications.

- **Overkill for web servers, file sharing, or general-purpose computing** where 10Gbps would be more than enough.

4. **Dependency on Infiniband Infrastructure**

- If your network **does not already use Infiniband**, you will need to invest in **compatible switches, cables, and possibly retraining staff**, increasing total cost of ownership.

- **Mixed Ethernet/Infiniband environments** may require **additional routing layers**, adding latency or complexity.

5. **Power Consumption and Heat Generation**

High-speed networking cards consume **more power** and generate **more heat** than lower-speed alternatives. This may require **additional cooling solutions** in dense server racks.

6. **Potential for Driver and Firmware Issues**

- Some **third-party OS distributions** (especially older Linux kernels) may have **limited or unstable driver support** for Infiniband.

- **Firmware updates** may be required for full compatibility with newer HPE servers or network switches.

7. **Limited Availability of Cheaper Alternatives**

- While **100G Ethernet QSFP28 adapters** exist, they may not support Infiniband, reducing flexibility.

- **Used/refurbished** options may be available but could introduce **reliability risks** or **unsupported firmware**.

---

### **Conclusion**

- **High-performance computing (HPC) clusters**

- **Enterprise data centers requiring low-latency, high-throughput networking**

- **Storage area networks (SANs) and NAS environments**

- **Mixed Ethernet/Infiniband deployments where flexibility is needed**

However, for **most business, home, or general-purpose computing needs**, the cost and complexity **do not justify** the investment. A **10Gbps or 25Gbps Ethernet adapter** would likely be a more practical choice unless you are specifically working in an **Infiniband-based infrastructure**.

---

### **Recommendation**

You are **building or upgrading an HPC cluster** (e.g., for AI, scientific computing, or financial modeling).

Your **data center already uses Infiniband EDR**, and you need **seamless integration** without switching protocols.

You require **both 100G Ethernet and Infiniband** in a single adapter for **flexibility in mixed environments**.

You are **future-proofing** for **400G breakout** or potential upgrades to **Infiniband HDR**.

You need **general-purpose networking** (10Gbps or 25Gbps Ethernet is sufficient).

Your **network does not already support Infiniband**, as additional infrastructure costs will apply.

You are **working with a limited budget** the cost may not align with your performance needs.

You lack **experience with Infiniband configuration**, as setup can be complex.

- For **pure Ethernet needs**, a **100Gbps QSFP28 Ethernet adapter** (e.g., Mellanox ConnectX-5, Broadcom NetXtreme) may be cheaper and easier to deploy.

- For **budget HPC setups**, **25Gbps Infiniband (HDR) adapters** (if your infrastructure supports it) offer a **better cost-performance ratio** for many use cases.

- If **future-proofing is a priority**, evaluate **400Gbps QSFP-DD adapters** (though they require newer server platforms).

This adapter is a **specialized, high-end component** best reserved for **performance-critical, Infiniband-based environments**. For most users, a **more cost-effective Ethernet solution** will suffice. Always **assess your specific workload and infrastructure** before purchasing.

Details:

100 Gbps Conditions. HP InfiniBand EDR/Ethernet Single-Port 100Gbps Adapter.

QSFP28 X 1 Interface. Item condition Refurbished means we pull the parts from working systems. Item Condition New others means item pulled from brand new system and does not have original Manufacturer packaging material. Warranty Ensure the item is compatible with your system before buying product.

Fast N secure Delivery. Network Adapter Part Number. 825110-B21 Brand. Pie SAS Data transfer Rate.

Refurbished items must be packed with proper materials to prevent physical damage during transit.

part #: 825110b21 prices

• $119.90-$553.73

specifications diskcontrolle:

• brand: Hp
• mpn: 825110-b21
• type: Network Adapter
• network ports: Sfp

general diskcontrolle:

• condition: Used
• Enterprise Networking, Servers > Server Components > Disk Controllers/RAID Cards

payments diskcontrolle:

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

offer diskcontrolle:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: April 6, 2026
• quantity: 2
• best offers: True

shipping diskcontrolle:

• class: Standard
• cost: $0.00
• type: Fixed
• transit: 3-7 Days
• service: Standard

seller diskcontrolle:

• city: Richardson, Texas
• rating: 99.8%
• # reviews: 16529

returns diskcontrolle:

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

Hp 825110-B21 Is Similar To:

• 012dnw-hp Dell Perc Pcie Dual Sas Port Hba Hp (25% similar) ...(March 29th, 2018)
• 013252-001 Hp Lsi Bus Adapter Controller Card Used Tested Working Genuine (18.9% similar) Hp ls bus adapter controller caroused - tested working this is backed by our 30 day money back guarantee. Please prior to purchase if a PO. Unless noted or pictured power cords and adapters are not included no other accessories in this sale. Please view each of the pictures to get a better idea ...(August 27th, 2018)
• 0txjh4 Txjh4 Px2510401 331-4443 342-3544 39r6592 Ibm Qlogic Hp Qle2460-hp Single (23.2% similar) Happy buying...(March 30th, 2017)
• 250176-001 Hp Fibre Channel Host Bus Adapter Lc (32.8% similar) Offer is for two fibre cards as pictured, shipped in individual anti static bags. Hp fibre channel host bus adapter 1 x LC - pic 2 gbps, tested from working pull system...(December 5th, 2018)
• Host Pci Channel Bus Hp A4800 Single Logic Scsi 32bit Adapter Ultrawide Lsi (33.3% similar) Hp ls logic single channel 32BIT pic ultra wide SCSI host bus adapter A4800 you are buying on...(May 21st, 2015)
• 366t Hp Enterprise Internal Ethernet (30.6% similar) Pulled out from a working Hp pliant DL380 in favor of dual 10GB Nick. Card is in perfect working condition...(October 25th, 2018)
• 370901-001 Hp 4-port Pci-x Sata Raid Controller (23% similar) Hp 4 port pic x satay raid controller guaranteed to work...(November 28th, 2015)
• 397739-001 A8002a Hp Storageworks Fc2142 4gb Pci-e Host Bus Adapter 882780061385 (23.2% similar) 35 in width lb height 6 in depth 10. 4GBMAXIMUM band width with nearly four times the speed of dual channel U320 SCSI adapters. 4GBMAXIMUM band width with nearly four times the speed of dual channel U320 SCSI adapters. Providing up to Hp's SC08GE BA has been thoroughly tested and integrated ...(November 12th, 2016)
• 397740-001-hp Fc2242sr-hp Lpe11002-hp Hp Dual Port Fc Hba (22.7% similar) ...(April 6th, 2018)
• 399725-001 399593-b22 Lot Virtual 7 Modules C3000 1 Hp 10gb Connect Ethernet (25.2% similar) The offer includes only what is pictured. Included accessories part number Hp P/N B22 as is items are advertised as such and no warranty is available. Condition used tested...(April 19th, 2015)
• 399852-001 Compaq Hp Emulex Dual Port Fc Fibre Channel Mezzanine (17.3% similar) This list does not contain all the non-returnable items. If serials or markings are defaced altered, the ra is void. Web together-hardware. Some companies will buy 'lots' of used parts and then resell the to you, without knowing condition. Your production system is important and will reject the ...(May 29th, 2018)