HUSMR1025ASS204 HGST Hitachi Ultrastar SSD1000MR 250GB SSD

HUSMR1025ASS204 Specifications

HGST Ultrastar SSD1000MR 250 GB SAS 12 Gb/s 2.5″ SFF Enterprise SSD

Manufacturer: HGST (formerly Hitachi)
Manufacturer Model: HUSMR1025ASS204
Product Line: Ultrastar SSD1000MR
Product Series: 2.5″, SAS 12 Gb/s, MLC NAND
Product Type: Internal Solid State Drive (SSD)
Product Name: HGST Ultrastar SSD1000MR HUSMR1025ASS204 250 GB 2.5″ SAS 12 Gb/s SSD

KEY FEATURES:
Storage Capacity: 250 GB
Interface Type: Serial Attached SCSI (SAS) 12 Gb/s
Form Factor: 2.5-inch Small Form Factor (SFF)
Flash Type: Multi-Level Cell (MLC) NAND
Endurance/Workload: Read-Intensive enterprise class (≈2 DWPD)
Features Supported: Power Loss Data Management, End-to-End Data Protection, Self-Encrypting Drive (SED) option

PERFORMANCE:
Sequential Read Throughput (max): ~1,200 MB/s
Sequential Write Throughput (max): ~700 MB/s
Random Read IOPS (4 KiB): Up to ~145,000 IOPS
Random Write IOPS (4 KiB): Up to ~20,000 IOPS

ENVIRONMENTAL & RELIABILITY:
Mean Time Between Failures (MTBF): ~2.0 million hours
Non-Recoverable Read Error Rate: 1 in 10¹⁷ bits read
Operating Temperature Range: 0 °C to 60 °C (ambient)
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 × Max H): 70.1 mm × 100.6 mm × 15.0-mm
Weight (typical): ~164 g