DELL MV5PD Perc Pci H840 4G 12G

( Brand: Dell ), ( Manufacturer Part Number: MV5PD )

Review DELL Perc 4g 12g Pci e

The **Dell PowerEdge M1000e Blade Server with Perc H840 4GB/12GB Cache PCIe RAID Controller** represents a high-performance, enterprise-grade solution designed for demanding workloads requiring robust storage management, reliability, and scalability. Engineered for integration within Dell s modular M1000e Blade Enclosure, this configuration delivers a seamless blend of flexibility and performance, catering to data-intensive applications such as virtualization, database management, and high-speed computing environments. The **PERC H840** RAID controller, a flagship offering from Dell EMC s PowerEdge lineup, is equipped with **4GB or 12GB of cache memory**, allowing for accelerated data processing, reduced latency, and enhanced I/O throughput. This advanced caching mechanism ensures that frequently accessed data remains readily available, minimizing disk access times and optimizing overall system efficiency. Built on a **PCIe Gen 3 architecture**, the H840 supports a wide range of storage configurations, including SAS, SATA, and NVMe drives, providing administrators with the freedom to tailor storage solutions to specific performance and capacity requirements. Whether deployed in a **RAID 0 (striped) for maximum speed**, **RAID 1 (mirrored) for redundancy**, or **RAID 10 (striped and mirrored) for a balance of performance and fault tolerance**, the H840 ensures data integrity while maximizing operational uptime. Its **Dell Remote Access Controller (DRAC) integration** further enhances manageability, enabling remote monitoring, diagnostics, and firmware updates, which simplifies IT administration and reduces downtime. Ideal for organizations seeking a **future-proof, high-density computing solution**, this blade server configuration excels in environments where storage performance and reliability are critical, offering a compelling combination of power efficiency, expandability, and enterprise-grade support.

### **Pros and Cons of buying a Dell PowerEdge M520/M530/M630 (PERC H840 4GB/12GB PCIe) Adapter**

#### **Pros**

1. **Enterprise-Grade Performance**

The H840 is a high-performance RAID controller designed for data-intensive workloads, offering near-native SSD performance with minimal latency. It supports NVMe SSDs, SAS/SATA drives, and hybrid configurations, making it suitable for virtualization, databases, and high-speed storage needs.

2. **Flexible RAID Support**

The H840 provides a wide range of RAID levels (0, 1, 5, 6, 10, 50, 60) and supports virtual disks, allowing for optimized storage configurations based on workload requirements. It also supports RAID 60 and 50 for improved data protection in large-scale deployments.

3. **NVMe & SAS/SATA Drive Support**

Unlike older controllers, the H840 fully supports NVMe SSDs, which offer significantly faster read/write speeds compared to traditional SAS/SATA drives. This makes it ideal for modern workloads requiring high I/O throughput.

4. **Dell OpenManage Integration**

The H840 integrates seamlessly with Dell s OpenManage suite, providing centralized management, monitoring, and remote diagnostics. This simplifies administration, especially in large server environments.

5. **Hot-Swap & Redundancy Options**

The controller supports hot-swap drives and optional battery-backed cache (BBC) modules, ensuring data integrity during power failures and reducing downtime.

6. **Scalability & Future-Proofing**

The H840 can handle up to 24 NVMe drives (depending on server model) and supports up to 256 drives in a single array, making it suitable for growing storage needs. It also supports PCIe 3.0, ensuring compatibility with newer high-speed storage devices.

7. **Dual-Port & High Availability**

The H840 is available in a dual-port configuration (H840P), which improves redundancy and failover capabilities, enhancing system reliability.

8. **Low Latency & High Throughput**

With its PCIe Gen3 x8 interface, the H840 delivers low-latency performance, crucial for applications like VDI, high-frequency trading, and real-time analytics.

9. **Compatibility with Dell Servers**

It is designed specifically for Dell PowerEdge servers (M520, M530, M630, etc.), ensuring optimal performance and compatibility with Dell s hardware ecosystem.

10. **Software RAID & Virtualization Support**

The H840 works well with VMware, Hyper-V, and other virtualization platforms, making it a solid choice for virtualized environments.

---

#### **Cons**

1. **Cost**

The H840, especially in the 12GB cache version, is more expensive than basic RAID controllers. The additional cost may not be justified for small-scale or low-I/O workloads.

2. **Complexity for Small Deployments**

The advanced features (e.g., virtual disks, RAID 60) may be overkill for simple file servers or small businesses with modest storage needs. Simpler, less expensive controllers (e.g., Dell PERC H730) may suffice.

3. **Power & PCIe Slot Consumption**

The H840 requires a dedicated PCIe slot and consumes additional power, which may be a concern in space-constrained or power-efficient deployments.

4. **Licensing & Software Costs**

While the basic H840 firmware is included, advanced features (e.g., full RAID 6 support, virtual disks) may require additional licensing or Dell support contracts, adding to the total cost of ownership.

5. **NVMe Limitations in Some Models**

While the H840 supports NVMe, some older Dell server models (e.g., M520) may have limitations on the number of NVMe slots or require additional add-on cards for full NVMe support.

6. **Potential Overkill for Read-Heavy Workloads**

If the workload is primarily read-heavy (e.g., media streaming), a simpler RAID 0 or 1 configuration may be sufficient, and the H840 s advanced features would be underutilized.

7. **Firmware & Driver Updates**

Dell occasionally releases firmware updates, which may require server downtime for installation. Ensuring compatibility with the server s BIOS and OS can sometimes be challenging.

8. **No Built-in SSD Cache (Without BBC)**

Unlike some competitors (e.g., LSI 9405-8i), the H840 does not include a built-in SSD cache module. While the BBC option exists, it adds to the cost and requires additional configuration.

9. **Limited Direct Unmap Support**

While the H840 supports TRIM for NVMe drives, some advanced features like direct unmap (for efficient space reclamation) may require additional configuration or licensing.

10. **Warranty & Support Dependence on Dell**

Since the H840 is Dell-specific, support and warranty coverage are tied to Dell s ecosystem. Third-party support may be limited or costly.

---

### **Conclusion**

The **Dell PERC H840 (4GB/12GB)** is a **high-performance, enterprise-grade RAID controller** ideal for **virtualized environments, high-I/O workloads, NVMe deployments, and mission-critical applications** where speed, reliability, and scalability are paramount. Its support for **NVMe, advanced RAID levels, and Dell OpenManage integration** makes it a strong choice for organizations with demanding storage requirements.

However, for **small businesses, budget-conscious deployments, or low-I/O workloads**, the H840 may be **overkill and unnecessarily expensive**. In such cases, simpler or less expensive controllers (e.g., PERC H730, H740, or even software RAID) could be more cost-effective.

### **Recommendation**

- You are deploying **NVMe SSDs** in a **virtualized or high-performance environment** (e.g., VMware, Hyper-V, databases, VDI).

- You need **RAID 6, virtual disks, or high scalability** (e.g., 24 NVMe drives).

- You require **Dell OpenManage integration** for centralized management.

- Your workload demands **low-latency, high-throughput storage** (e.g., real-time analytics, trading systems).

- You are running **simple file servers, NAS, or low-I/O workloads** where a basic RAID controller (e.g., H730) would suffice.

- Budget is a **major constraint**, as the H840 is more expensive than alternatives.

- You are not using **NVMe drives**, and SAS/SATA alone would meet your needs.

- You prefer **third-party support** (e.g., LSI controllers) over Dell s ecosystem.

For most **enterprise or high-performance deployments**, the **H840 is a solid investment**. For smaller or cost-sensitive setups, evaluating alternatives like the **PERC H740, H330, or even software RAID** may be more practical.

Details:

Dell, HP, IBM UCS Servers. Our core products include servers, networking switches and routers, optics, parts, backup tape. Custom configurations. Networking equipment.

Over 100,000. Every item is tested, cleaned, and confirmed to be in full working order with the exception of items described as blemished or damaged cosmetic otherwise. Fast shipping. Includes a 1 Year Warranty.

Certified Magnetic Tape. Some value-priced listings ship USPS 1st class with options for FedEx. Each refurbished item is cleaned, tested, and has a warranty. Items in stock.

Looking for a custom configuration in server, switch, or modular networking hardware. This product is probably not compatible with consumer devices such as home computers, laptops, tablet's, etc.

part #: mv5pd prices

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