IBM 146GB 10,000 RPM SAS 6Gb/s Enterprise Hard Drive

Model: ST9146802SS | IBM PNs: 43W7538, 42C0269, 43W7536, 43W7539 | 146GB Capacity | 10K RPM

The IBM 43W7538 is an enterprise-grade Small Form Factor (SFF) drive based on the highly reliable Seagate Savvio 10K.3 platform. This drive was a staple in the IBM System x and BladeCenter product lines. It offers a solid balance of 10,000 RPM performance and 6Gb/s SAS throughput, making it a dependable choice for legacy server maintenance, boot volumes, and high-availability RAID arrays where reliability is the primary concern.

📊 Technical Specifications

• Capacity: 💾 146 GB

• Interface: ⚡ SAS 6Gb/s (Dual Port)

• Spindle Speed: 🏎️ 10,000 RPM

• Cache: 🧠 64 MB

• Form Factor: 📏 2.5-inch SFF (15mm)

• Average Latency: ⏱️ 3.0 ms

• Sustained Transfer Rate: 🏎️ 129 MB/s

• MTBF: 🕒 1.6 Million Hours

✅ Product Overview

• Optimized for IBM System x: Carrying the 43W7538 FRU and related part numbers, this drive features IBM-specific firmware. This ensures full compatibility with ServeRAID controllers, allowing the system to monitor drive health accurately and provide Predictive Failure Analysis (PFA) alerts.

• SAS 6Gb/s Performance: While many older 146GB drives were limited to 3Gb/s, this model utilizes the 6Gb/s interface, providing better burst speeds and improved efficiency when used in more modern SAS-2 backplanes.

• Dual-Port Connectivity: Like all enterprise SAS drives, it supports dual-port functionality, providing two independent paths to the data for failover and redundancy in mission-critical clusters.

📦 Compatibility & Use Case

• Target Systems: Specifically designed for IBM System x servers (e.g., x3550 M2/M3, x3650 M2/M3) and IBM BladeCenter modules (HS22, HS23).

• Hot-Swap Caddy: Typically includes the IBM 2.5-inch SFF hot-swap tray with the orange release handle. Verify that the tray style is correct for your specific server generation.

• Ideal Workloads: Mission-critical OS boot volumes, small database hosting, localized file caching, and as replacement drives for existing RAID 1 or RAID 5 arrays in legacy infrastructure.