HUSMH8040BSS201 HGST Hitachi Ultrastar SSD800MH.B 400GB SSD

HUSMH8040BSS201 Specifications

HGST Ultrastar SSD800MH.B 400 GB SAS 12 Gb/s 2.5″ Internal Solid State Drive (High Endurance)

Manufacturer: HGST (formerly Hitachi)
Manufacturer Model: HUSMH8040BSS201
Product Line: Ultrastar SSD800MH.B
Product Series: 2.5″, SAS 12 Gb/s, MLC NAND, High Endurance
Product Type: Internal Solid State Drive (SSD)
Product Name: HGST Ultrastar SSD800MH.B HUSMH8040BSS201 400 GB SAS 12 Gb/s 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), 15 mm height
Flash Type: Multi-Level Cell (MLC)
Endurance Class: High Endurance (up to ~25 DWPD for 5 years)

PERFORMANCE:
Sequential Read Throughput: Up to ~1,100 MB/s
Sequential Write Throughput: Up to ~765 MB/s
Random Read IOPS (4 KiB): Up to ~130,000 IOPS
Random Write IOPS (4 KiB): Up to ~110,000 IOPS

ENVIRONMENTAL & RELIABILITY:
Mean Time Between Failures (MTBF): ~2.5 million hours
Unrecoverable Read Error Rate: 1 in 10¹⁷ bits read
Operating Temperature Range: 0 °C to 70 °C
Shock Resistance: Up to 1,000 G (0.5 ms) / 500 G (2 ms)
Vibration Resistance: 2.16 g RMS (5–700 Hz, all axes)

PHYSICAL:
Dimensions (W × D × H): ~70.1 mm × 100.6 mm × 15.0 mm
Weight (typical): ~187 g