DELL 0WK5N7 Perc Sas Pcie Raid Controller Bracket H350 12GBPS

( Brand: Dell ), ( Manufacturer Part Number: 0WK5N7 ), ( Part Type: Controller Bracket )

Review DELL Perc 12gbps Sas Pcie Raid Controller Low Profile Bracket

The **Dell 0WK5N7 PERC H350 12Gbps SAS PCIe RAID Controller Bracket** is a high-performance, enterprise-grade storage solution designed to deliver unparalleled reliability, scalability, and efficiency for mission-critical workloads. Engineered by Dell EMC, this advanced RAID controller combines cutting-edge hardware with intelligent software to optimize data protection, performance, and manageability in demanding server environments. The **PERC H350** leverages **12Gbps SAS technology**, ensuring blazing-fast data transfer speeds and reduced latency, making it ideal for applications requiring high throughput, such as virtualization, database management, and large-scale file storage. Its **PCIe 3.0 x8 interface** provides seamless integration with modern server platforms, maximizing bandwidth and ensuring smooth operation even under heavy workloads.

This RAID controller is housed in a **rugged, high-quality metal bracket**, designed for secure and stable installation within Dell PowerEdge servers, preventing potential mechanical stress and ensuring long-term durability. The **H350** supports a wide range of storage configurations, including **RAID 0, 1, 5, 6, 10, 50, and 60**, allowing administrators to tailor data redundancy and performance to their specific needs. Whether deploying **hot-plug SAS/SATA drives** or **SSDs**, the controller ensures consistent performance while maintaining data integrity through advanced error detection and correction mechanisms.

One of the standout features of the **PERC H350** is its **Dell OpenManage integration**, enabling centralized monitoring, configuration, and troubleshooting via Dell s industry-leading server management suite. This includes **remote diagnostics, firmware updates, and RAID configuration management**, simplifying IT administration and reducing downtime. Additionally, the controller supports **Dell s Secure Erase and Secure Delete** capabilities, ensuring data security compliance with industry standards like **FIPS 140-2** and **DoD 5220.22-M**. The **12GB cache** further enhances performance by accelerating read/write operations, reducing I/O bottlenecks, and improving overall system responsiveness.

Built for **enterprise-grade reliability**, the **PERC H350** incorporates **hot-plug and hot-swap capabilities**, allowing for seamless drive replacements without disrupting operations. Its **low-power design** ensures energy efficiency, making it suitable for data centers focused on sustainability and cost savings. Whether deployed in **high-availability clusters, virtualized environments, or large-scale storage arrays**, this RAID controller delivers a robust foundation for data-intensive applications while minimizing operational overhead. With Dell s reputation for innovation and support, the **0WK5N7 PERC H350** represents a strategic investment in storage performance, security, and long-term scalability.

The Dell PERC H350 12Gbps SAS PCIe RAID Controller (part number 0WK5N7) is a mid-range enterprise-grade RAID controller designed for servers requiring high performance, reliability, and data protection. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Dell PERC H350**

1. **Enterprise-Grade Reliability**

The H350 is built for mission-critical environments, featuring hardware RAID capabilities with battery-backed cache (BBC) for data protection during power failures. This ensures data integrity even in the event of a sudden power loss or system crash.

2. **High Performance with 12Gbps SAS**

The 12Gbps SAS interface delivers significantly faster data transfer speeds compared to older 6Gbps controllers, improving overall system performance, especially in storage-intensive workloads like databases, virtualization, or large-scale file serving.

3. **Dual-Port Design for Redundancy**

The dual-port configuration (two physical ports) allows for active-active failover, ensuring continuous data access even if one port fails. This is critical for high-availability servers where downtime is unacceptable.

4. **Battery-Backed Cache (BBC) for Data Protection**

The integrated BBC module caches frequently accessed data in volatile memory, reducing disk wear and improving response times. In the event of a power failure, the BBC ensures that cached data is safely written to disk before shutdown.

5. **Compatibility with Dell PowerEdge Servers**

The H350 is designed specifically for Dell PowerEdge servers (e.g., R740, R740xd, R750, R750xd), ensuring seamless integration with Dell s hardware and management tools like OpenManage Server Administrator (OMSA).

6. **Support for RAID Levels**

The controller supports a variety of RAID levels (0, 1, 5, 6, 10, 50, 60) and non-RAID configurations, allowing administrators to optimize storage performance and redundancy based on their needs.

7. **Hot-Swap and Hot-Plug Support**

The H350 supports hot-swap drives and hot-plug SAS expanders, reducing downtime during maintenance or upgrades.

8. **Dell s Management Software Integration**

The controller works seamlessly with Dell s OpenManage software, providing centralized monitoring, configuration, and troubleshooting capabilities.

9. **Low Latency and High Throughput**

The PCIe 3.0 x8 interface ensures low latency and high throughput, making it suitable for workloads requiring consistent performance, such as virtualization (VMware, Hyper-V) or database servers (SQL, Oracle).

10. **Warranty and Support**

Dell offers comprehensive warranty and technical support, including firmware updates and driver support, which is valuable for enterprise deployments.

---

### **Cons of the Dell PERC H350**

1. **Limited to Dell Servers**

The H350 is proprietary to Dell and may not be compatible with non-Dell hardware. While it can be installed in other servers via PCIe slots, Dell s management tools and firmware updates will not be available, potentially limiting long-term support.

2. **No Virtualization Support for Some RAID Levels**

Certain RAID levels (e.g., RAID 5) may not perform optimally in virtualized environments due to write amplification, which can impact performance in VMware or Hyper-V setups. RAID 10 is generally preferred for virtualization workloads.

3. **Cost**

The H350 is more expensive than consumer-grade or basic enterprise RAID controllers (e.g., LSI SAS 9207-8i). For smaller deployments or budget-conscious environments, this may be a significant drawback.

4. **Firmware and Driver Dependencies**

The controller relies on Dell s firmware and drivers, which may require periodic updates. Outdated firmware could lead to compatibility issues with newer storage devices or operating systems.

5. **No Support for NVMe or U.2 Drives**

The H350 is limited to SAS/SATA drives and does not support NVMe or U.2 drives, which are becoming increasingly common in modern high-performance storage setups.

6. **Battery-Backed Cache (BBC) is Optional and Consumable**

While the BBC is included with the H350, it is a consumable item that will eventually need replacement (typically every 5-7 years). This adds to the long-term cost of ownership.

7. **No Built-in SSD Cache Acceleration**

Unlike some newer enterprise controllers (e.g., Dell PERC H740P), the H350 does not support SSD cache acceleration (such as Dell s Active Cache), which can significantly boost performance for read-heavy workloads.

8. **Limited Expansion Capabilities**

The H350 is designed for internal storage expansion within a single server chassis. For larger storage needs, external SAS expanders or separate storage arrays may be required, adding complexity and cost.

9. **Potential for Driver Conflicts**

In some cases, drivers for the H350 may conflict with certain operating systems or hypervisors, requiring additional troubleshooting or compatibility checks before deployment.

10. **No Support for Direct Attached Storage (DAS) in Some Configurations**

While the H350 can manage internal drives, its primary use case is for RAID configurations within a server. For direct-attached storage solutions (e.g., JBOD), other controllers or configurations may be more appropriate.

---

### **Conclusion**

The Dell PERC H350 is a robust, high-performance RAID controller ideal for enterprise environments where reliability, redundancy, and high-speed data access are critical. Its dual-port design, 12Gbps SAS support, and battery-backed cache make it well-suited for servers running databases, virtualization platforms, or other storage-intensive applications. The integration with Dell s management tools and warranty support further enhances its appeal for IT administrators managing large-scale infrastructure.

However, the H350 is not without limitations. Its proprietary nature restricts its use to Dell servers, and its lack of support for NVMe or SSD cache acceleration may be a drawback for modern workloads. Additionally, the cost and potential for driver conflicts could be barriers for smaller deployments or budget-sensitive environments.

---

### **Recommendation**

- You are deploying it in a Dell PowerEdge server (e.g., R740, R750) for a mission-critical workload (e.g., database, virtualization, file serving).

- You require high-speed 12Gbps SAS performance with hardware RAID and battery-backed cache for data protection.

- You prioritize Dell s ecosystem, management tools, and long-term support.

- Your storage needs are primarily internal and do not require NVMe or external expansion beyond SAS.

- You are not using a Dell server and need broader hardware compatibility.

- Your workloads are primarily read-heavy and could benefit from SSD cache acceleration (consider the H740P instead).

- You are working with NVMe or U.2 drives, as the H350 does not support these interfaces.

- Your budget is constrained, as the H350 is more expensive than some alternatives (e.g., LSI 9207-8i or HBA-only solutions for non-RAID setups).

- You require advanced features like virtualization-optimized RAID levels (e.g., RAID 50) without performance trade-offs.

- **For Dell Servers with NVMe Support:** Dell PERC H740P (supports NVMe and SSD cache acceleration).

- **For Non-Dell Servers:** LSI 9207-8i (12Gbps SAS, more flexible but lacks Dell s management tools).

- **For Budget-Friendly RAID:** Dell PERC H200 (6Gbps SAS, lower cost but older technology).

- **For NVMe Workloads:** Dell HBA 330 (PCIe 3.0 x8 NVMe HBA for high-speed NVMe SSDs).

In summary, the Dell PERC H350 is a strong choice for Dell-based enterprise deployments where performance, reliability, and redundancy are top priorities. For other use cases, evaluating alternatives based on specific requirements is advisable.

Details:

Hard Drives Accessories. May show signs of previous ownership including light wear from normal use and storage. Included Items Quantities: 1 Dell PERC H350 12Gbps SAS PCIe RAID Controller 0WK5N7 - Low Profile Bracket. Dell PERC H350 12Gbps SAS PCIe RAID Controller 0WK5N7 - Low Profile Bracket: Details:: model Number: 0WK5N7, Manufacturer, Condition Detail Used.

part #: 0wk5n7 prices

• $89.99-$104.00

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• brand: Dell
• mpn: 0wk5n7
• part type: Controller Bracket

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• started: March 19, 2026
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• Enterprise Networking, Servers > Server Components > Disk Controllers/RAID Cards
• condition: Used

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