SUPERMICRO BPN-SAS-216A Sata Backplane 24-BAY 2.5 Sas 2U SC216A

( Brand: Supermicro ), ( Manufacturer Part Number: BPN-SAS-216A ), ( Unit Type: Unit ), ( Number Of Ports: 24 ), ( Manufacturer Warranty: 5 Years ), ( Network Ports: Sas ), ( Compatible Port: Pci )

Review SUPERMICRO Sas216a 24-bay 2.5 Inch Sas Sata Backplane 2u

The **Supermicro BPN-SAS-216A (SC216A) 24-Bay 2.5" SAS/SATA Backplane** is a high-performance, enterprise-grade expansion module designed to maximize storage density and reliability in 2U rackmount servers, workstations, and storage arrays. Engineered with precision for demanding environments, this backplane delivers seamless integration with Supermicro s industry-leading chassis, offering a robust solution for SAS and SATA 2.5-inch drives while ensuring optimal data throughput, scalability, and redundancy. Built with a **dual-channel SAS 6Gb/s interface**, the SC216A supports up to **24 hot-swappable drives**, allowing for continuous operation without downtime a critical feature for mission-critical applications such as virtualization, database hosting, and high-performance computing. The backplane features a **low-profile, space-efficient design**, fitting snugly into Supermicro s 2U systems like the **SY-216A** or **SY-216A **, while maintaining full compatibility with SAS expanders, RAID controllers, and HBA (Host Bus Adapter) cards for flexible storage configurations. Its **modular architecture** enables easy upgrades, accommodating a mix of **SAS and SATA drives** for cost-effective storage solutions, whether deploying high-speed SAS SSDs for performance-critical workloads or traditional SATA HDDs for bulk data storage. The backplane s **backward compatibility** with older SAS/SATA standards ensures seamless integration with existing infrastructure, reducing migration complexity. Additionally, its **rugged construction** featuring reinforced mounting rails, EMI-shielded connectors, and high-quality cabling guarantees durability in demanding server environments, minimizing the risk of signal degradation or mechanical failure. Whether deployed in a data center, cloud infrastructure, or high-availability cluster, the **SC216A** delivers a balance of performance, reliability, and scalability, making it an indispensable component for storage-intensive deployments where efficiency and uptime are paramount.

The **Supermicro BPN-SAS-216A (SC216A)** is a 24-bay 2.5" SAS/SATA backplane designed for high-density storage expansion in servers and storage arrays. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Density and Scalability**

The backplane supports 24 drives in a compact 2U form factor, making it ideal for dense storage configurations. This is particularly useful for NAS, SAN, or high-performance computing (HPC) setups where space efficiency is critical.

2. **SAS and SATA Compatibility**

It accommodates both **SAS and SATA drives**, offering flexibility for different workloads. SAS drives provide higher performance and reliability for enterprise applications, while SATA drives can be cost-effective for less demanding tasks.

3. **Hot-Swap Capability**

The backplane supports **hot-swap drives**, allowing for maintenance or upgrades without downtime. This is a significant advantage in production environments where uptime is non-negotiable.

4. **Backplane Features**

- **SAS expander support**: Compatible with SAS expanders (e.g., Supermicro or LSI) for managing larger drive arrays or RAID configurations.

- **SAS/SATA fan-out**: Allows connection to SAS/SATA ports on controllers or host buses, enabling high-speed data transfer.

- **Power distribution**: Includes power connectors for drives, ensuring consistent power delivery.

5. **Compatibility with Supermicro Systems**

Designed to work seamlessly with Supermicro servers, storage systems, and chassis. This ensures ease of integration with existing infrastructure.

6. **Reliability and Build Quality**

Supermicro products are known for their durability and robust construction, which translates to long-term reliability in data centers.

7. **Cost-Effective for Large Storage Arrays**

For setups requiring 24 drives, purchasing a pre-built backplane can be more economical than assembling individual components, especially when bulk discounts are applied.

---

### **Cons**

1. **Limited to 2.5" Drives**

The backplane is designed exclusively for **2.5" drives** (SAS or SATA). If you need 3.5" drives or a mix of drive sizes, this backplane won t work, and you d need a different solution.

2. **Dependence on SAS Expander (for SAS Drives)**

While the backplane supports SAS drives, you ll need a **SAS expander** (e.g., LSI SAS2008 or Supermicro s own expanders) to manage the drives if you re using more than a few. This adds complexity and cost, especially for small setups where SAS might be overkill.

3. **No Built-In RAID Controller**

The backplane itself does not include a RAID controller. You ll need to pair it with a **host bus adapter (HBA)**, **RAID card**, or **server with onboard RAID** (e.g., Supermicro s onboard SAS controllers). This requires additional planning and investment.

4. **Power and Cooling Considerations**

- **Power**: The backplane distributes power to drives, but you ll need to ensure your power supply (PSU) can handle the load, especially if using high-capacity drives (e.g., 10TB SATA drives). Overloading the PSU can lead to instability or failure.

- **Cooling**: 24 drives generate significant heat. Ensure your server or enclosure has adequate cooling (e.g., fans, airflow management) to prevent thermal throttling or drive failures.

5. **Potential for Cable Management Challenges**

With 24 drives, cable management can become cluttered, especially if using SAS breakout cables. Proper organization is required to maintain accessibility and airflow.

6. **Vendor Lock-In (to Some Extent)**

While Supermicro s backplanes are widely compatible, some advanced features (e.g., specific SAS expander configurations) may require Supermicro s ecosystem. This could limit flexibility if you re using non-Supermicro components.

7. **No Built-In Monitoring or Diagnostics**

Unlike some enterprise storage solutions, this backplane lacks built-in monitoring for drive health or status. You ll rely on the host system or external tools (e.g., SMART monitoring) to track drive conditions.

---

### **Conclusion**

The **Supermicro BPN-SAS-216A (SC216A)** is a **highly capable and efficient** solution for users needing a **24-bay 2.5" SAS/SATA backplane** in a 2U form factor. It excels in **density, hot-swap functionality, and compatibility with Supermicro s ecosystem**, making it ideal for:

- **Enterprise storage arrays** (NAS/SAN).

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

- **Data centers requiring scalable storage expansion**.

- **Users who already have Supermicro infrastructure**.

- Setups needing **3.5" drives**.

- Small-scale or budget-conscious users who don t need SAS (SATA-only setups may be simpler with a cheaper backplane).

- Users who lack a **SAS expander** or **RAID controller** (additional hardware is required).

- Environments with **limited power or cooling capacity**.

---

### **Recommendation**

1. You are expanding a **Supermicro-based storage system** and need **24-bay 2.5" SAS/SATA support**.

2. Your use case requires **hot-swap drives** and **high density** (e.g., NAS, SAN, or HPC).

3. You already have or plan to purchase a **SAS expander** (e.g., LSI SAS2008, Supermicro SAS expander) and a **RAID controller/HBA**.

4. You can ensure **adequate power supply capacity** (check PSU wattage for your drive mix) and **cooling**.

5. You prioritize **reliability and Supermicro s ecosystem compatibility**.

1. You only need **SATA drives** (a simpler, cheaper backplane may suffice).

2. You require **3.5" drives** (look for a different backplane, e.g., Supermicro BPN-B1235 or similar).

3. You lack a **SAS expander** and don t need SAS performance (a SATA-only backplane is easier to set up).

4. Your power supply is marginal for high-capacity drives (calculate total wattage draw).

5. You want **built-in RAID or monitoring** (pair with a Supermicro server that includes these features).

- **Supermicro BPN-B1235**: 24-bay 2.5" **SATA-only** backplane (cheaper, simpler).

- **LSI/MEGARAID SAS Expanders**: If you need SAS but want third-party options.

- **Dell/HP/NetApp Backplanes**: If you re not locked into Supermicro s ecosystem.

- **DIY Backplane Build**: For advanced users who want customization (but requires careful planning).

---

**Final Verdict:** The **BPN-SAS-216A is a strong choice for enterprise storage expansions within Supermicro s ecosystem**, but it requires complementary hardware (SAS expander, RAID controller) and careful planning for power/cooling. For simpler or non-Supermicro setups, alternatives may be more practical.

Details:

Supports SAS and SATA drives simultaneously. Message with questions. SAS expanded onboard. Supermicro BPN-SAS-216A - 24-Bay 2.5 SAS/SATA Backplane for SC216A 2U Chassis.

Slots labeled SAS #0 through #22. Used Supermicro BPN-SAS-216A backplane pulled from a decommissioned 2U server. Good used condition with normal wear. Key Specs: 24x 2.5 SFF hot-swap SAS/SATA drives.

Hot-swap capable.

part #: bpnsas216a prices

• $135.00-$278.99

specifications diskcontrolle:

• brand: Supermicro
• mpn: Bpn-sas-216a
• unit type: Unit
• number of ports: 24
• manufacturer warranty: 5 Years
• network ports: Sas
• compatible port: Pci

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• carrier: USPS
• cost: $0.00

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general diskcontrolle:

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

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• started: May 16, 2026
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