IBM 146GB 15,000 RPM SAS 6Gb/s Enterprise Hard Drive

Model: ST9146853SS | IBM PNs: 90Y8927, 90Y8930 | 146GB Capacity | 15K RPM | 64MB Cache

The IBM 90Y8927 is a high-velocity enterprise storage unit based on the Seagate Savvio 15K.3 platform. Engineered specifically for IBM System x servers and storage arrays, this drive features customized IBM firmware to ensure maximum compatibility and performance within the IBM ecosystem. With a blisteringly fast 15,000 RPM spindle speed and a SAS 6Gb/s interface, it is designed for the most demanding Tier-1 applications where low latency and high IOPS (Input/Output Operations Per Second) are mission-critical.

📊 Technical Specifications

• Capacity: 💾 146 GB

• Interface: ⚡ SAS 6Gb/s (Dual Port)

• Spindle Speed: 🏎️ 15,000 RPM

• Cache: 🧠 64 MB

• Form Factor: 📏 2.5-inch SFF (15mm height)

• Average Latency: ⏱️ 2.0 ms

• Sustained Transfer Rate: 🏎️ 202 MB/s

• MTBF: 🕒 2.0 Million Hours

✅ Product Overview

• Tier-1 Mission-Critical Speed: The 15K RPM rotational speed delivers ultra-low latency, making it significantly faster for random data access than 10K or 7.2K RPM drives. This is vital for processing high volumes of transactions without bottlenecks.

• IBM System x Optimized: Carrying the 90Y8927 and 90Y8930 part numbers, this drive is pre-configured for seamless integration with IBM's RAID controllers (ServeRAID). It supports IBM's predictive failure analysis and hardware health monitoring tools.

• Compact 2.5" SFF Efficiency: By using the Small Form Factor (SFF) design, this drive allows for higher density in server racks, reducing power consumption and cooling requirements by up to 70% compared to legacy 3.5-inch 15K drives.

• Advanced Data Integrity: Features Seagate’s Protection Information (PI) technology, which helps detect and prevent data corruption at the hardware level, ensuring that critical enterprise data remains intact.

📦 Compatibility & Use Case

• Target Systems: Specifically designed for IBM System x servers including the x3500 M4, x3550 M4, x3650 M4, and BladeCenter HS23. It is also frequently used in IBM Storwize and TotalStorage expansion units.

• Note on Caddies: These drives are typically supplied with the IBM "Hot-Swap" tray. Ensure the tray is compatible with your specific generation of IBM server (Gen 2 vs Gen 3 trays differ).