IBM 300GB 10K RPM SAS 6Gb/s Enterprise Hard Drive
Model: ST9300603SS | IBM PNs: 49Y1840, 49Y1839, 49Y1836, 49Y1843 | Feature Code: 5543 | 300GB Capacity | 10K RPM
The IBM 49Y1840 (Seagate Savvio 10K.3 platform) is a high-performance 2.5-inch SAS drive engineered for mission-critical IBM System x and BladeCenter environments. This drive was a workhorse for the 6Gb/s SAS transition, offering the perfect balance of speed, capacity, and reliability for Tier-1 data center applications. It features specialized IBM firmware to ensure seamless integration with ServeRAID controllers and provides the consistent IOPS necessary for demanding enterprise workloads.
📊 Technical Specifications
Capacity: 💾 300 GB
Interface: ⚡ SAS 6Gb/s (Dual Port)
Spindle Speed: 🏎️ 10,000 RPM
Cache: 🧠 16 MB
Form Factor: 📏 2.5-inch SFF
MTBF: 🛡️ 1.6 Million Hours
Sector Format: 💾 512n (Native)
Recording Technology: 🖋️ CMR (Conventional Magnetic Recording)
✅ Product Overview
IBM System x Optimization: Features certified IBM firmware for 100% compatibility with ServeRAID controllers (M5014, M5015, M5110). Supports advanced hardware telemetry, including "Predictive Failure Analysis" (PFA) and IBM Director alerts.
Savvio 10K.3 Architecture: Built on Seagate's reliable 3rd-generation SFF enterprise platform, optimized for 24/7/365 operation in high-density server racks.
Dual-Port SAS Reliability: The dual-port interface allows for redundant data paths, ensuring that the drive remains accessible even if a single path or controller fails—a requirement for high-availability enterprise storage.
Thermal Efficiency: Designed with a small form factor that allows for better airflow within the server chassis compared to traditional 3.5-inch drives, helping to maintain lower operating temperatures.
📦 Compatibility & Use Case
Target Systems: Optimized for IBM System x (x3550 M2/M3, x3650 M2/M3), BladeCenter HS22/HS23, and early Lenovo-branded System x servers using 2.5" SAS hot-swap trays.
Ideal Workloads: Operating system boot volumes, localized database partitions, virtual machine storage, and high-performance RAID arrays.
⚠️ Compatibility Note: This is a standard 15mm z-height SFF drive. It uses the 512n (512 native) sector format, which ensures it is a "plug-and-play" replacement for legacy IBM systems that do not support modern 4K Advanced Format drives. It is also compatible with older 3Gb/s controllers, though it will operate at the slower link speed.
