HUSMM1640ASS204 HGST Hitachi Ultrastar SSD1600MM 400GB

HUSMM1640ASS204 Technical Specifications
HGST / Hitachi Ultrastar SSD1600MM 400 GB SAS 12Gb/s 2.5″ SFF Enterprise SSD

Manufacturer: HGST (a Western Digital company)
Manufacturer Model: HUSMM1640ASS204
Product Line: Ultrastar SSD1600MM
Product Type: Internal Solid State Drive (SSD)
Product Name: HGST Ultrastar SSD1600MM 400GB SAS 12Gb/s 2.5″ SFF SSD

KEY FEATURES

• Storage Capacity: 400 GB

• Interface Type: Serial Attached SCSI (SAS) 12 Gb/s

• Form Factor: 2.5-inch Small Form Factor (SFF) (70.1 × 100.6 mm, height ~15 mm)

• Drive Type: Hot-plug / Enterprise-grade SSD

• Flash Type: Multi-Level Cell (MLC)

• Data Transfer Rate (Sequential): Up to ~1,100 MB/s read, ~765 MB/s write

• Random IOPS (4 K): Up to ~130,000 read, ~100,000 write

• Endurance / Reliability: MTBF ~2.5 million hours (≈ 0.35% AFR)

• Advanced Features: Power-loss data protection, T10 DIF, enterprise-class firmware and reliability

PERFORMANCE

• Maximum Data Transfer Rate (Sequential): Read ~1,100 MB/s; Write ~765 MB/s

• Random Read IOPS: Up to ~130,000

• Random Write IOPS: Up to ~100,000

ENVIRONMENTAL & RELIABILITY

• Operating Temperature Range: 0 °C to 70 °C

• Shock (Half-sine): 1000 G (0.5 ms) / 500 G (2 ms)

• Vibration (Random): 2.16 G RMS, all axes, 5-700 Hz

PHYSICAL

• Dimensions (W × D × H): 70.1 × 100.6 × 15 mm

• Weight: ~187 g

• Form Factor: 2.5-inch SFF