IBM 283GB 15,000 RPM SAS 12Gb/s Enterprise Hard Drive

Model: ST300MP0065 | IBM PN: 00E8681 | Feature Code: ES9E | 283GB Capacity | 15K RPM

The IBM 00E8681 is a specialized, ultra-high-performance enterprise drive designed specifically for the IBM Power Systems ecosystem (AIX, IBM i, and Linux on Power). Based on the Seagate Enterprise Performance 15K.5 platform, this drive features an advanced 12Gb/s SAS interface. It is unique due to its 283GB usable capacity, which results from the 4K Block (4096-byte) formatting required by IBM i environments for additional data integrity and metadata storage.

📊 Technical Specifications

• Capacity: 💾 283 GB (Formatted for IBM i / AIX)

• Interface: ⚡ SAS 12Gb/s (SAS-3)

• Spindle Speed: 🏎️ 15,000 RPM

• Cache: 🧠 128 MB

• Form Factor: 📏 2.5-inch SFF-2 (Mounted in specialized IBM tray)

• Sector Format: 💾 4K Native (4096-byte blocks)

• Average Latency: ⏱️ 2.0 ms

• Sustained Transfer Rate: 🏎️ Up to 315 MB/s

✅ Product Overview

• IBM Power Systems Optimization: This drive is specifically engineered for IBM Power8 and Power9 servers. Carrying the Feature Code ES9E, it is designed to communicate with IBM’s specialized storage controllers used in enterprise-level midrange computing.

• 4K Block Architecture: Unlike standard 512-byte drives, this unit uses 4K (4096-byte) blocks. In an IBM i environment, this allows for enhanced error correction and the storage of tags/metadata directly with the data blocks, ensuring the highest level of data consistency.

• 12Gb/s SAS Throughput: Utilizing the SAS-3 standard, this drive provides double the bandwidth of 6Gb/s drives. When paired with a 12Gb/s RAID controller, it offers significantly faster data burst rates and reduced system latency.

• SFF-2 Carrier: This drive comes pre-installed in the SFF-2 (Small Form Factor Gen 2) tray. These trays are specifically designed for the high-density disk drawers (such as the #5887 or #EDR1) used in IBM Power hardware.

📦 Compatibility & Use Case

• Target Systems: Optimized for IBM Power8 and Power9 servers (e.g., S814, S822, S824, S914, S922, S924) and associated storage expansion units.

• OS Support: Primarily used with IBM i (OS/400), AIX, and VIOS.

• Ideal Workloads: Mission-critical ERP systems, high-velocity transactional databases, and any environment requiring the extreme IOPS of a 15K spindle combined with the reliability of the IBM Power architecture.