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Exos X18 18TB

Maximum storage capacity for maximum rack space efficiency

The leading 18TB HDD in the market, with unparalleled capacity, can provide more PB of space in each rack. High reliability and performance, equipped with enhanced cache, make it the ideal choice for cloud data centers and large-scale horizontal expansion data center applications. The ultra large and ultra large SATA model has been adjusted for large data transmission, achieving low latency. PowerBalance ™ Functions are optimized, power consumption per terabyte is minimized, the Total cost of ownership is minimized, and the power and weight are reduced through the design of helium sealed hard disks. The side sealing surface welding technology of proven helium is used to achieve enhanced processing robustness and leakage protection. The digital environment sensor can monitor the condition of the built-in hard disk, and achieve operation and performance optimization, data protection and safety -- Seagate Secure ™ Featuring safe, affordable, fast, and easy scrapping of hard drives, the proven enterprise level reliability is rated by a 5-year limited liability warranty and an MTBF rating of 2.5 million hours per hour
规格 SATA 6Gb/秒 12Gb/秒SAS SATA 6Gb/秒  12Gb/秒SAS SATA 6Gb/秒
容量 18TB 18TB 16TB 16TB 14TB
标准型号FastFormat(512e/4Kn) ST18000NM000J ST18000NM004J ST16000NM000J ST16000NM004J ST14000NM000J
SED型号FastFormat (512e/4Kn)¹、2 ST18000NM001J ST18000NM005J ST16000NM001J ST16000NM005J ST14000NM001J
SED-FIPS FastFormat (512e/4Kn)1.2 ST18000NM007J ST16000NM007J
功能
氦气密封硬盘设计
传统磁记录(CMR)
保护信息(T10 DIF)
SuperParity
低卤素
PowerChoice闲置功率技术
PowerBalance功率/性能技术
热插拔支持
多殺缓存(MB) 256 256 256 256 256
有机可焊性防护层
RSA 3072固件验证(SD&D)
可靠性/数据完整性
平均故障间隔时间(MTBF,小时) 2,500,000  2,500,000  2,500,000  2,500,000  2,500,000 
24x7不间断运行的可靠性级别(AFR) 0.35% 0.35% 0.35% 0.35% 0.35%
不可恢复错误/被读数据(位) 1扇区/10E15 1扇区/10E15 1扇区/10E15 1扇区/10E15 1扇区/10E15
每年运行小时数(24×7) 8,760  8,760  8,760  8,760  8,760 
512e扇区大小(每扇区字节数) 512 512, 520,528 512 512, 520,528 512
4Kn扇区大小(每扇区字节数) 4,096  4,096, 4,160,
4,224
4,096  4,096, 4,160,4,224 4,096, 4096
有限质保(年) 5 5 5 5 5
性能
转速(RPM) 7,200RPM 7,200RPM 7,200RPM 7,200RPM 7,200RPM
接口访问速度(Gb/秒) 6.0,3.0 12.0,6.0,3.0  6.0,3.0 12.0,6.0,3.0 6.0,3.0
最大持续数据传输率OD(MB/秒,MiB/秒) 270/258 270/258  270/258 270/258 270/258
随机读取/写入4K QD16 WCD (IOPS) 170/550 170/550  170/550 170/550 170/550
平均延迟(毫秒) 4.16 4.16 4.16 4.16 4.16
接口端口  单
抗旋转振动性达20-1500赫兹(弧度/秒2) 12.5 12.5  12.5 12.5 12.5
功耗
平均闲置功率(瓦) 5.3瓦 5 . 6瓦 5 . 1瓦 5 . 5瓦 4 . 9瓦
最大运行功耗、随机读/写4K/16Q(瓦) 9.4,6.4 9.8,7.0 9.4, 6.4 9.6, 6.7 9.2, 6.3
电源要求 +12V和+5V +12V和+5V +12V和+5V +12V和+5V +12V和+5V
环境
运行时温度(°C) 5℃-60℃ 5°C-60℃  5℃-60°℃  5℃-60°℃ 5°C-60℃
振动,非运行时:2赫兹到500赫兹(Grms) 2.27 2.27 2.27 2.27 2.27
扰中性,运行时2毫秒(读/写)(G) 50 50  50  50 50
非运行时抗冲击性:2毫秒(GS) 200 200 200  200 200
物理规格
高度(毫米/英寸,最大)4 26.1毫米/1.028英
26.1毫米/1.028英
26.1毫米/1.028英
      寸
26.1毫米/1.028英
      寸
26.1毫米/1.028英
Width (mm/in, max)4 101.85毫米/4.01英
101.85毫米/4.01英
101.85毫米/4.01英
101.85毫米/4.01英
101.85毫米/4.01英
Depth (mm/in, max)⁴ 147毫米/5.787英寸 147毫米/5.787英寸 147毫米/5.787英寸 147毫米/5.787英寸 147毫米/5.787英寸
重量(克/磅) 670克/1.477磅 670克/1.477磅 670克/1.477磅 670克/1.477磅 650克/1.433磅
纸箱单位数量 20 20  20  20 20
箱数/托盘/箱数/层 40/8 40/8 40/8 40/8 40/8

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