Product Description
IBM ESF2 1.1TB 10K RPM SAS SFF-2 Disk Drive
IBM Feature Code ESF2 / AC12
The IBM ESF2 (feature code 4224 / #AC12, part number 00WG690) is the 1.146 TB (marketed as 1.1 TB) 10,000 RPM SAS 12 Gb/s 2.5-inch (SFF-2 carrier) hard drive with native 4224-byte (4K) sectors. This drive became the standard high-performance HDD for IBM Power8, Power9, Power10, and Power11 systems running IBM i, AIX, or Linux when SSDs are not required or when very cost-effective bulk storage is needed.
Every drive is wiped, fully tested with IBM diagnostics, and verified zero bad sectors and 100 % health. They carry 30 day warranty.
Perfect for expanding existing RAID-5/6/10 arrays, replacing failed drives, or building economical high-capacity storage pools. The 4K-native formatting is required for all current IBM i releases and delivers the best performance on modern Power servers.
Technical Specifications
| Specification | Detail |
|---|---|
| Feature Code | ESF2 / AC12 (4224-byte sector format) |
| IBM Part Number | 00WG690 |
| Capacity | 1.146 TB (1.1 TB marketed) |
| Rotation Speed | 10,000 RPM |
| Interface | SAS 12 Gb/s |
| Form Factor | 2.5-inch SFF-2 carrier |
| Sector Size | 4224 byte (4K native) |
| Compatibility | All IBM Power Systems with SAS bays or controllers (Power8 through Power11) |
| Condition | Used – tested & wiped |
| Warranty | 30 Days |
Need 1.1TB 10K 4K Drives Right Now?
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