HPE 873444-B21 Sas Expander DL5X0 12GB

( Brand: Hpe ), ( Manufacturer Part Number: 873444-B21 ), ( External Interfaces: Sas )

Review HPE Gen 12gb Sas Reman Expander

The **Dell PowerEdge M1000e Blade Server Chassis Expansion Module (Part Number: 873444-B21, DL5X0 Gen 10, 12GB SAS Expander)** is a high-performance, enterprise-grade expansion solution designed to enhance the scalability and flexibility of Dell s PowerEdge M1000e Blade Server Enclosure. This Gen 10-compatible module serves as a critical backbone for blade server configurations, enabling seamless connectivity and data transfer between blades through its advanced **12GB SAS (Serial Attached SCSI) expander technology**. Engineered to meet the demands of modern data centers, this expander supports up to **16 blades per chassis**, ensuring robust, high-speed communication while maintaining low latency and minimal bandwidth contention. Its **dual-port SAS design** provides redundant connectivity, enhancing fault tolerance and ensuring uninterrupted operations even in the event of a single link failure. The module is fully backward-compatible with previous-generation blades, making it an ideal upgrade path for existing M1000e infrastructures. Built with enterprise-grade reliability, the expander features **hot-plug capability**, allowing for maintenance and upgrades without downtime, while its **low-power consumption** and **compact form factor** optimize space efficiency in dense server environments. Whether deployed in virtualized, cloud, or traditional IT environments, this expander module delivers the performance, scalability, and resilience required to support mission-critical workloads, including virtualization, database management, and high-performance computing applications. Dell s rigorous testing ensures compatibility with a wide range of storage arrays, SSDs, and SAS drives, making it a versatile component for expanding storage and I/O capabilities in blade server deployments.

### **Pros and Cons of buying a Dell 873444-B21 (DL5x0 Gen 10, 12GB SAS Expander)**

1. **High Performance for SAS Storage Arrays** This expander is designed for high-end SAS storage configurations, allowing for the connection of multiple drives in a scalable, high-throughput environment. It supports up to 128 drives, making it ideal for enterprise storage solutions.

2. **Low Latency and High Bandwidth** The 12GB SAS interface provides faster data transfer speeds compared to older SAS generations, reducing bottlenecks in storage-heavy workloads.

3. **Enterprise-Grade Reliability** Dell s enterprise-grade components ensure durability, low failure rates, and compatibility with Dell s PowerEdge servers, which are widely used in data centers.

4. **Scalability** The expander supports multiple drive bays, allowing for future expansion without replacing the entire setup. This is useful for growing storage needs.

5. **Compatibility with Dell EMC Storage Solutions** Works seamlessly with Dell s PowerStore, PowerScale, and other enterprise storage arrays, making it a good choice for Dell-centric environments.

6. **Hot-Plug Support** Most SAS expanders in this series support hot-swappable drives, minimizing downtime during maintenance.

7. **Backward and Forward Compatibility** While primarily designed for Gen 10 servers, it may work with some Gen 9 or Gen 11 systems, though always verify compatibility before purchase.

8. **Redundancy and Fault Tolerance** Some Dell SAS expanders include built-in redundancy features, improving data integrity in case of component failure.

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1. **High Cost** Enterprise-grade SAS expanders are significantly more expensive than consumer-grade alternatives. The price may not justify the investment for small businesses or home users.

2. **Complex Setup and Configuration** Requires technical expertise to install, configure, and integrate with existing storage infrastructure. Non-technical users may struggle with setup.

3. **Limited Longevity** While durable, SAS expanders are not future-proof against next-gen storage technologies (e.g., NVMe over Fabrics, high-speed NVMe SSDs). Upgrades may be necessary in a few years.

4. **Power and Cooling Requirements** High-performance SAS expanders consume more power and generate heat, requiring adequate cooling solutions in data centers.

5. **Vendor Lock-In** Dell s proprietary solutions may limit flexibility if switching to a different storage vendor in the future.

6. **Potential Obsolescence** Dell s Gen 10 servers and storage solutions are nearing end-of-life, meaning long-term support and spare parts may become harder to obtain.

7. **Overkill for Small Workloads** If your storage needs are modest (e.g., a few TBs), a simpler and cheaper solution (such as a consumer-grade RAID controller or NAS) may suffice.

8. **Licensing and Support Costs** Additional costs may apply for warranty extensions, advanced support, or software licenses required for full functionality.

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The **Dell 873444-B21 (DL5x0 Gen 10, 12GB SAS Expander)** is a high-performance, enterprise-grade solution ideal for **large-scale storage deployments, data centers, or environments requiring maximum SAS throughput and scalability**. It excels in **enterprise reliability, low latency, and compatibility with Dell s ecosystem**, making it a strong choice for businesses with demanding storage needs.

However, it is **not cost-effective for small businesses, home users, or low-demand workloads**. The **high price, complexity, and potential for vendor lock-in** mean it is best suited for **IT professionals managing critical infrastructure** rather than casual users.

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- You are running a **Dell PowerEdge data center** with high SAS storage requirements.

- You need **scalability, low latency, and enterprise reliability** for mission-critical applications.

- You are already invested in **Dell s ecosystem** and require seamless integration.

- You are a **small business or home user** with limited storage needs.

- You prefer **open-standard solutions** (e.g., HBA-based SAS expanders) over Dell-specific hardware.

- You anticipate **future upgrades to NVMe or high-speed storage** and want a more flexible long-term solution.

- For **budget-friendly SAS expanders**, look at **broadcom-based or LSI-based solutions** (e.g., Dell H200/H310 with SAS expanders).

- For **modern high-performance storage**, evaluate **NVMe over Fabrics (NVMe-oF) or high-speed NVMe SSDs** if your workload supports it.

- If using **non-Dell servers**, check for **third-party SAS expanders** that may offer better compatibility and lower costs.

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Details:

Actual product photos are illustrated in our listings. Ground Shipping within the Contiguous USA. 873444-B21 HPE DL5x0 Gen 10 12Gb SAS Reman Expander.

part #: 873444b21 prices

• $329.00-$825.88

specifications diskcontrolle:

• brand: Hpe
• mpn: 873444-b21
• external interfaces: Sas

general diskcontrolle:

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

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• # reviews: 471
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• started: April 27, 2026

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