Item | SATA 6Gb/s | 12Gb/s SAS |
Specification - Capacity | 18TB | 18TB |
Specification - Standard Model FastFormat (512e/4Kn) | ST18000NM000J | ST18000NM004J |
Function - Helium-sealed 盘腔 design | Yes | Yes |
Function - Conventional Magnetic Recording (CMR) | — | Yes |
Function - Protection Information (T10 DIF) | Yes | Yes |
Function - SuperParity | Yes | Yes |
Function - Low power consumption | Yes | Yes |
Function - PowerChoice Idle Power Technology | Yes | Yes |
Function - PowerBalance Power/Performance Technology | Yes | Yes |
Function - Hot-plug support | Yes | Yes |
Function - Multi-level cache (MB) | 256 | 256 |
Function - With solderability protection layer | Yes | Yes |
Function - RSA 3072 Firmware Authentication (SD&D) | Yes | Yes |
Reliability/Data Integrity - Mean Time Between Failures (MTBF, hours) | 2,500,000 | 2,500,000 |
Reliability/Data Integrity - 24x7 Uninterrupted Operation Reliability Level (AFR) | 0.35% | 0.35% |
Reliability/Data Integrity - Unrecoverable Read Errors/Sector Data (bits) | 1 sector/10E15 | 1 sector/10E15 |
Reliability/Data Integrity - Annual Operating Hours (24x7) | 8,760 | 8,760 |
Reliability/Data Integrity - 512e Sector Size (bytes per sector) | 512 | 512, 520, 528 |
Reliability/Data Integrity - 4Kn Sector Size (bytes per sector) | 4,096 | 4,096, 4,160, 4,224 |
Reliability/Data Integrity - Limited Warranty (years) | 5 | 5 |
Performance - Rotational Speed (RPM) | 7,200RPM | 7,200RPM |
Performance - Interface Access Speed (Gb/s) | 6.0, 3.0 | 12.0, 6.0, 3.0 |
Performance - Maximum Sustained Data Transfer Rate OD (MB/s, MB/s) | 270/258 | 270/258 |
Performance - Random Read/Write 4K QD16 WCD (IOPS) | 170/550 | 170/550 |
Performance - Average Latency (milliseconds) | 4.16 | 4.16 |
Performance - Interface Port | Single | Dual |
Performance - Rotational Vibration Resistance up to 20 - 1500 Hz (radians/second) | 12.5 | 12.5 |
Power Consumption - Average Idle Power (Watts) | 5.3 W | 5.6 W |
Power Consumption - Maximum Operating Power, Random Read/Write 4K/16Q (Watts) | 9.4, 6.4 | 9.8, 7.0 |
Power Consumption - Power Requirements | +12V and +5V | +12V and +5V |
Environment - Operating Temperature (°C) | 5°C - 60°C | 5°C - 60°C |
Environment - Vibration, Non-operating: 2 Hz to 500 Hz (Gms) | 2.27 | 2.27 |
Environment - Impact Resistance, Operating: 2 milliseconds (microseconds) (G) | 50 | 50 |
Environment - Non-operating Impact Resistance: 2 milliseconds (GS) | 200 | 200 |
Physical - Height (mm/inch, max) ⁴ | 26.1 mm / 1.028 inches | 26.1 mm / 1.028 inches |
Physical - Width (mm/in, max) ⁵ | 101.85 mm / 4.01 inches | 101.85 mm / 4.01 inches |
Physical - Depth (mm/in, max) ⁵ | 147 mm / 5.787 inches | 147 mm / 5.787 inches |
Physical - Weight (pounds/grams) | 670 g / 1.477 lb | 670 g / 1.477 lb |
Physical - Number of Carton Units | 20 | 20 |
