🛡️ HGST Ultrastar SSD400M 400GB Enterprise SAS SSD

Model: HUSML4040ASS600 | P/N: 0B26590 | 2.5" SFF | eMLC NAND

The HGST HUSML4040ASS600 is a professional-grade solid-state drive built for high-performance computing and data-intensive enterprise applications. Featuring Intel's 25nm Enterprise Multi-Level Cell (eMLC) technology, this drive is engineered for extreme durability and consistent throughput. It is an ideal replacement or upgrade for EMC VMAX and other tier-1 storage systems, offering a 2-million-hour MTBF and advanced power-loss data management.

📊 Technical Specifications

• Brand: HGST (Hitachi/Intel Co-Developed)

• Series: Ultrastar SSD400M

• Model Number: HUSML4040ASS600

• Part Number: 0B26590 / 118022780-02

• Capacity: 400 GB

• Interface: SAS 6Gb/s (Forward compatible with 12Gb/s SAS-3 controllers)

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

• NAND Type: 25nm Enterprise MLC (eMLC)

• Sequential Read/Write: Up to 495 MB/s / 385 MB/s

• Random Read/Write: 56,000 / 24,000 IOPS

✅ Reliability & Condition

• Condition: Refurbished - Excellent. Professionally tested, wiped, and verified for 100% health for mission-critical use.

• Extreme Endurance: Rated for 7.3PB (Petabytes) of total writes—equivalent to writing 4TB of data every day for five years.

• Data Integrity: Features T10 End-to-End Data Protection and advanced error style="line-height: 1.15 !important; margin-top: 0px !important;">

  Power Loss Management: Integrated capacitors ensure data in the cache is flushed to the NAND during a power failure.

📦 Compatibility

• Optimized For: EMC VMAX 10K/20K/40K arrays and other high-availability enterprise servers.

• Universal Fit: Compatible with Dell PowerEdge, HPE ProLiant, and Cisco UCS servers with 15mm drive support.

• Note: This is an Enterprise SAS drive. It will not work in standard consumer SATA laptops or desktops.