SUPERMICRO AOC-USAS-S4IR Internal Storage Raid Card

( Brand: Supermicro ), ( Manufacturer Part Number: AOC-USAS-S4IR ), ( Part Type: Internal Storage Card ), ( Network Ports: Sas ), ( Compatible Port: Pci Express X16, Pci Express X4, Pci Express X8 ), ( Country Of Origin: China )

Review SUPERMICRO Internal Add on Storage Raid Card

The **Supermicro AOC-USAS-S4IR** is a high-performance, internal Add-On Storage (AOC) RAID card designed to elevate the storage capabilities of enterprise-grade servers, workstations, and high-end computing platforms. Engineered with precision for reliability and scalability, this compact yet powerful card integrates seamlessly into Supermicro s robust server ecosystem, offering a robust solution for users demanding advanced data management without the need for external enclosures. Built around a **dual-channel SAS/SATA controller**, the AOC-USAS-S4IR delivers blazing-fast data transfer speeds, supporting up to **12 Gbps SAS connectivity** across its four internal ports, which are ideal for connecting high-speed SSDs, HDDs, or hybrid storage arrays. Its **RAID 0, 1, 5, 6, 10, and 50** support ensures optimal performance, redundancy, and data protection, catering to both performance-critical applications and mission-critical workloads where uptime and integrity are paramount.

The card s **low-profile design** makes it compatible with a wide range of server chassis, including those with limited vertical space, while its **hot-swappable SAS backplane** compatibility ensures minimal downtime during maintenance or upgrades. Powered by **LSI SAS2208 chipset**, the AOC-USAS-S4IR delivers enterprise-grade durability, featuring **error correction, data integrity checks, and advanced caching mechanisms** to enhance reliability in demanding environments. Whether deployed in data centers, HPC clusters, virtualization platforms, or high-performance computing setups, this RAID card provides a seamless bridge between storage devices and the server s host bus adapter (HBA), ensuring consistent performance and scalability. Additionally, its **silent operation and minimal power consumption** make it an ideal choice for energy-efficient data centers where thermal management is a priority. With Supermicro s reputation for quality and performance, the AOC-USAS-S4IR stands as a versatile and dependable solution for users seeking to optimize their storage infrastructure with minimal complexity.

The Supermicro AOC-USAS-S4IR is an internal add-on storage RAID card designed for enterprise and high-performance computing environments. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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1. **High Performance and Throughput**

The AOC-USAS-S4IR is built around the LSI SAS 9207-8i controller, which supports SAS 3.0 (6 Gbps) and SAS 2.0 (3 Gbps) interfaces. This provides high-speed data transfer rates, making it suitable for applications requiring rapid read/write operations, such as databases, virtualization, or media editing. The card supports up to eight internal SAS/SATA drives, enabling high-bandwidth storage configurations.

2. **Enterprise-Grade Reliability**

Supermicro is known for producing hardware designed for enterprise and data center environments. The AOC-USAS-S4IR includes features like hardware RAID support (RAID 0, 1, 5, 6, 10, 50, and 60), which enhances data redundancy and fault tolerance. This is particularly valuable for mission-critical systems where data integrity is paramount.

3. **Compatibility with Supermicro Servers**

The card is designed specifically for Supermicro s chassis and motherboards, ensuring seamless integration with their server platforms. This compatibility reduces the risk of compatibility issues that can arise with third-party add-ons.

4. **Hot-Swap Support**

The card supports hot-swap SAS drives, allowing for drive replacements without shutting down the system. This minimizes downtime and improves system availability, which is critical in production environments.

5. **Low Latency**

The LSI SAS 9207-8i controller is optimized for low-latency operations, which is beneficial for applications like real-time data processing or high-frequency trading where response time is critical.

6. **Energy Efficiency**

The card is designed with power efficiency in mind, which can help reduce operational costs in large-scale deployments. The LSI controller is known for its balanced performance and power consumption.

7. **Support for Large Drive Configurations**

The card supports drives up to 12 Gbps (SAS 3.0) and can handle large-capacity drives (e.g., 10TB SSDs or HDDs), making it suitable for storage-intensive workloads.

8. **Software Support**

The card includes MegaRAID Storage Manager (MSM) software, which provides a user-friendly interface for managing RAID configurations, monitoring drive health, and performing maintenance tasks. This software is well-supported and integrates with other Supermicro management tools.

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1. **Limited Ports**

The AOC-USAS-S4IR has only eight internal SAS/SATA ports, which may be insufficient for users requiring more extensive storage expansion. If more ports are needed, additional cards or a different model (e.g., with more ports or external connectivity) would be required.

2. **Cost**

The card is positioned as an enterprise-grade solution, which means it comes with a higher price tag compared to consumer-grade or basic RAID cards. For smaller setups or budget-conscious users, this may not be cost-effective.

3. **Vendor Lock-In**

While the card is highly compatible with Supermicro systems, it may not be as easily integrated into non-Supermicro setups. Users relying on other server manufacturers may face compatibility challenges or additional costs for third-party support.

4. **Complexity for Non-Enterprise Users**

The features of the AOC-USAS-S4IR, such as advanced RAID configurations and MegaRAID software, may be overkill for users with simpler storage needs. The learning curve for managing RAID arrays and monitoring drive health could be steep for those without prior experience.

5. **No External Ports**

The card is designed for internal use only and does not include external SAS ports. Users requiring external storage expansion (e.g., connecting external enclosures) would need a separate card or solution.

6. **Dependence on LSI/MegaRAID Software**

The card relies on MegaRAID Storage Manager for configuration and management. While this software is robust, it may require additional licensing or support contracts for advanced features, adding to the total cost of ownership.

7. **Potential for Driver Issues**

As with any hardware, there is a risk of driver compatibility issues, particularly when upgrading operating systems or firmware. Users may need to spend time troubleshooting or seeking support to resolve such issues.

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The Supermicro AOC-USAS-S4IR is a high-performance, enterprise-grade internal RAID card that excels in environments where reliability, speed, and data redundancy are critical. Its strengths lie in its compatibility with Supermicro systems, support for hot-swap drives, low latency, and robust RAID capabilities. These features make it an ideal choice for data centers, virtualization hosts, database servers, or any application requiring high-speed, fault-tolerant storage.

However, the card s limitations such as its limited number of ports, high cost, and complexity may not make it suitable for all users. Smaller setups, budget-conscious buyers, or those with simpler storage needs may find it unnecessary or impractical. Additionally, users outside the Supermicro ecosystem may face compatibility challenges.

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You are using a Supermicro server, require high-performance internal storage, need RAID redundancy, and prioritize reliability and low latency. This card is particularly well-suited for enterprise environments, virtualization, or storage-intensive workloads where uptime and data integrity are non-negotiable.

You need more than eight internal ports, are working with a non-Supermicro system, have a limited budget, or require external storage connectivity. In such cases, consider alternatives like:

- A different Supermicro RAID card with more ports (e.g., AOC-SAS2-LSI for more internal/external ports).

- A consumer-grade RAID card (e.g., ASMedia-based cards) for simpler setups.

- Expanding storage via external enclosures connected to a different controller card.

- Using software RAID (e.g., Linux MDADM or Windows Storage Spaces) if hardware RAID is not strictly necessary.

Ultimately, the AOC-USAS-S4IR is a premium choice for specific use cases, and its value depends heavily on your environment and requirements.

Details:

Supermicro AOC-USAS-S4IR Internal Add-On storage Raid Card: condition: Used. The item that you are purchasing is used and may have scratches dents. No power cable / adapter or any accessories. Item is used and shows signs of use. High priced items may require a signature.

Shipping and handling. Packing: Device equipment only.

part #: aocusass4ir prices

• $59.99-$461.99

specifications diskcontrolle:

• brand: Supermicro
• mpn: Aoc-usas-s4ir
• part type: Internal Storage Card
• network ports: Sas
• compatible port: Pci Express X16, Pci Express X4, Pci Express X8
• country of origin: China

offer diskcontrolle:

• quantity: 1
• started: May 12, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock

returns diskcontrolle:

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

seller diskcontrolle:

• # reviews: 8732
• city: Hayward, California
• rating: 99.9%

general diskcontrolle:

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

shipping diskcontrolle:

• carrier: USPS
• cost: $0.00
• transit: 4-10 Days
• type: Calculated
• class: Standard
• service: USPS Ground Advantage

payments diskcontrolle:

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

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