NETAPP 111-05275 Controller Module E4000A-32GB-SG 111-04951 X3157A

( Brand: Netapp ), ( Manufacturer Part Number: 111-05275 ), ( Model: E4000A-32GB-SG ), ( Part Type: Controller Module ), ( Compatible Brand: For Netapp ), ( Component Type: Disk Array Controller )

Review NETAPP Controller Module E4000

The **NetApp ONTAP E4000/E4000A Controller Module (Part Numbers: 111-05275, 111-04951, and X3157A)** is a high-performance, enterprise-grade storage controller designed to deliver seamless scalability, reliability, and advanced data management capabilities for modern data centers. This module is engineered to power the **E4000/E4000A series**, NetApp s mid-range all-flash and hybrid flash arrays, offering a robust foundation for organizations requiring high-speed, low-latency storage solutions with built-in data protection and efficiency features. The **111-05275** represents the primary controller module, while the **111-04951** serves as its redundant counterpart, ensuring uninterrupted operation through automatic failover in the event of a hardware or software failure. The **X3157A** denotes the **32GB DRAM cache** upgrade, significantly enhancing performance by accelerating read/write operations, caching frequently accessed data, and optimizing resource allocation for demanding workloads such as virtualization, databases, and high-frequency transaction processing.

At its core, this controller module is built on NetApp s **ONTAP operating system**, which provides a unified storage platform supporting **all-flash (AFF), hybrid flash (HA), and traditional disk-based configurations**, allowing seamless migration between storage tiers as business needs evolve. The **dual-core processor architecture** ensures robust processing power, while the **high-speed DDR4 memory** (with the optional 32GB upgrade) enables faster data processing, reduced latency, and improved cache efficiency. The module features **dual 10Gbps baseboard management controllers (BMCs)** for remote monitoring, diagnostics, and management, ensuring operational visibility and proactive troubleshooting. Additionally, the **dual-port 10GbE or 25GbE connectivity** options (depending on the model) facilitate high-bandwidth data transfer, supporting modern networking protocols and enabling efficient integration with virtualized environments, cloud storage, and high-performance computing clusters.

One of the standout features of this controller is its **built-in data protection and efficiency mechanisms**, including **SnapMirror , SnapVault , and FlexClone technologies**, which allow for near-instantaneous snapshots, efficient data replication, and rapid cloning of storage volumes without impacting performance. The **NetApp Volume Encryption (NVE)** capability ensures end-to-end data security, protecting sensitive information from unauthorized access while maintaining compliance with industry regulations. Furthermore, the **adaptive optimization engine** dynamically adjusts performance settings based on workload demands, balancing speed, capacity, and energy efficiency to maximize operational cost savings.

The **E4000/E4000A series** is designed with **modular scalability** in mind, allowing organizations to expand storage capacity and performance as needed without disrupting existing operations. The controller module supports **up to 24 NVMe drives** (for all-flash configurations) or a mix of **NVMe and SAS/SATA drives** (for hybrid setups), providing flexibility for different storage requirements. The **hot-swappable design** ensures minimal downtime during maintenance, while the **redundant power supplies and cooling fans** enhance reliability in mission-critical environments. Whether deployed in a **single-controller configuration** or as part of a **highly available (HA) pair**, this module delivers enterprise-grade durability, making it an ideal choice for businesses seeking a future-proof, high-performance storage solution.

In summary, the **NetApp 111-05275/E4000A Controller Module with 32GB DRAM (X3157A)** is a sophisticated, high-performance storage controller that combines cutting-edge hardware with NetApp s industry-leading software capabilities. Its **dual-core processing, scalable memory options, advanced data protection features, and seamless integration with ONTAP** make it a versatile and future-ready solution for organizations demanding **high-speed, secure, and efficient storage infrastructure**. Whether supporting virtualized workloads, database applications, or cloud-connected environments, this controller module ensures **uninterrupted performance, data integrity, and operational agility** in today s dynamic data centers.

### **Pros and Cons of Buying NetApp E4000/E4000A Controller Modules (111-05275, 111-04951, X3157A)**

#### **Pros**

1. **Compatibility and Scalability**

- These modules are designed for NetApp E-Series E4000/E4000A storage systems, ensuring full compatibility with existing configurations.

- The E4000A series supports advanced features like **iSCSI, FCP, and NVMe over Fabrics**, making it suitable for modern workloads.

- The **32GB DRAM** (in the 111-05275) improves performance for high-throughput environments, reducing latency in data processing.

2. **Reliability and Redundancy**

- NetApp E-Series controllers are built for **high availability**, with support for **dual-controller configurations** to prevent single points of failure.

- The **X3157A** (a 32Gbps FC HBA) provides high-speed connectivity, reducing bottlenecks in fiber channel environments.

- NetApp s **data integrity features** (such as RAID and snapshots) help protect against data loss.

3. **Future-Proofing and Upgrade Path**

- The E4000A series supports **SSD caching (X-FAST)** and **NVMe SSDs**, allowing for performance upgrades without replacing the entire system.

- The **111-04951 (E4000A-32GB-SG)** is a **service-grade** controller, meaning it is optimized for enterprise environments with better thermal management and reliability.

- NetApp s **long-term support** ensures software and firmware updates for years, reducing obsolescence risks.

4. **Cost-Effective for Mid-Range Workloads**

- Compared to high-end enterprise arrays (e.g., NetApp AFF or FAS), the E4000/E4000A offers **lower upfront costs** while still providing solid performance for **file, block, and hybrid workloads**.

- The **X3157A FC HBA** is a cost-effective way to integrate with existing SAN infrastructures without needing expensive host adapters.

5. **NetApp s Data Management Features**

- Built-in **snapshots, replication (SnapMirror), and thin provisioning** simplify data protection and disaster recovery.

- **Unified storage** support (handling both file and block protocols) reduces the need for separate storage solutions.

---

#### **Cons**

1. **Limited Performance Compared to High-End Systems**

- The E4000/E4000A is **not a high-performance array** like NetApp s AFF or FAS systems, which use **all-flash architectures** with much lower latency.

- **NVMe SSDs** (if used) will improve performance, but the base system is still **HDD-dependent**, leading to slower random I/O compared to all-flash solutions.

2. **Deprecation and End-of-Life Risks**

- NetApp has **phased out support for some E-Series models** in favor of newer platforms (e.g., E2800, E5700). While these specific modules (E4000/E4000A) are still supported, **long-term availability of parts and firmware updates may decline**.

- The **X3157A** is an older FC HBA model, and newer systems may require **8Gbps or 16Gbps HBAs** for future scalability.

3. **Licensing and Software Costs**

- While the base controller is affordable, **advanced features (e.g., SnapMirror, SnapVault, or ONTAP Select)** require **additional licensing**, which can increase costs.

- Some **enterprise-grade features** (like advanced security or AI-driven analytics) are **not available** in the E-Series, requiring third-party solutions.

4. **Scalability Limitations**

- The E4000/E4000A has **fixed slot counts** (typically 12-24 drives), making it less flexible than modular systems.

- **Expansion is limited** if storage needs grow significantly, upgrading to a larger system (e.g., E5700) may be necessary.

5. **Management Complexity**

- NetApp s **E-Series management interface (System Manager or ONTAP Select)** is **less intuitive** than newer cloud-managed systems.

- **Remote support and troubleshooting** may require deeper expertise compared to simpler NAS/SAN solutions.

6. **Potential for Higher Operational Costs**

- While upfront costs are low, **maintenance, power consumption, and cooling** for HDD-heavy systems can be higher than all-flash alternatives.

- **Drive replacement cycles** (HDDs wear out faster than SSDs), leading to **higher long-term TCO (Total Cost of Ownership)**.

---

### **Ending Conclusion**

The **NetApp E4000/E4000A controller modules (111-05275, 111-04951, X3157A)** are a **solid choice for mid-range enterprise environments** where **cost efficiency, reliability, and NetApp s data management features** are prioritized over **ultra-low latency or all-flash performance**.

- **Hybrid workloads** (file block storage)

- **SAN/NAS environments** needing **FC or iSCSI connectivity**

- **Budget-conscious deployments** where **enterprise-grade reliability** is required without the expense of high-end systems

- **Legacy or mixed environments** where **NetApp s replication and snapshots** are critical

However, if **performance-critical applications** (e.g., databases, virtualization, or high-speed analytics) are a priority, **considering NetApp s AFF or FAS systems (or newer E-Series models like E2800/E5700) may be better** despite higher costs.

- **End-of-life risks** (ensure NetApp still supports these models)

- **Future upgrade paths** (can the system handle SSD/NVMe expansions?)

- **Licensing needs** (will additional software costs be required?)

If **budget, reliability, and NetApp s ecosystem** are the key factors, these modules are a **good investment**. If **performance and scalability** are critical, evaluating newer or higher-end alternatives may be justified.

---

### **Final Recommendation**

You need a **cost-effective, reliable mid-range storage solution** with **NetApp s data protection features**.

Your workloads are **mixed (file block)** and do not require **sub-millisecond latency**.

You are **already in a NetApp environment** and want **seamless integration** with existing systems.

You can **accept HDD-based performance** and plan for **future SSD upgrades** if needed.

You require **ultra-low latency** (e.g., high-performance databases, VDI, or real-time analytics).

You need **long-term future-proofing** (consider newer E-Series or all-flash systems).

Your budget allows for **higher-end NetApp solutions** (AFF/FAS) that offer **better performance and scalability**.

You are **not comfortable with NetApp s management tools** (may require additional training).

- **For better performance:** NetApp E5700 (all-flash capable) or AFF A200.

- **For lower cost:** Pure Storage FlashArray or Dell PowerScale (Isilon).

- **For cloud integration:** NetApp ONTAP Select (if hybrid cloud is a priority).

If the **primary goals are reliability, NetApp compatibility, and mid-range performance**, these modules are a **strong purchase**. Otherwise, weigh the trade-offs against newer or higher-end alternatives.

Details:

No licensing, Passwords,UPS etc. Battery Pans: 111-04951 X3157A. NetApp Controller Module E4000 E4000A-32GB-SG 111-05275 111-04951 X3157A: Includes:: 30 Day Warranty - All Equipment Is Tested, Clean, and Working. Netapp PN: E4000A-32GB-SG 111-05275.

part #: 11105275 price

• $1295.00

specifications diskcontrolle:

• brand: Netapp
• mpn: 111-05275
• model: E4000a-32gb-sg
• part type: Controller Module
• compatible brand: For Netapp
• component type: Disk Array Controller

general diskcontrolle:

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

seller diskcontrolle:

• # reviews: 18336
• city: Eden Prairie, Minnesota
• rating: 100.0%

offer diskcontrolle:

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

returns diskcontrolle:

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

payments diskcontrolle:

• other
• credit card: Visa
• wallet: Google-pay

shipping diskcontrolle:

• cost: $0.00
• transit: 2-5 Days
• class: Standard
• carrier: FedEx
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery

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