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企业级硬盘

企业级效能型硬盘

AL15SEBxxEx 系列

12.0 Gbit/s SAS 接口 AL15SEB 系列企业级效能型硬盘提供高达 2.4 TB 大容量、10,500rpm 转速性能,耐用可靠,能够满足企业应用的需要。

AL15SE 系列专为数据库服务器和混合存储平台等关键任务型 IT 应用打造,提供支持 512 原生 (512n)、512 模拟 (512e) 或 4K 原生 (4Kn) 扇区长度技术的多种型号,适合相关应用场景或兼容系统使用。 

东芝持久写入缓存技术可在意外断电时防止数据丢失,有助于在高负载循环关键任务型环境下保持适当的性能和数据可靠性。 

Key Features
  • 2400, 1800, 1200, 900 和 600 GB 容量(高级格式扇区技术型号)
  • 1200, 900, 600, 300GB(512n 扇区技术型号)
  • 2.5 英寸外形,节省空间与能耗
  • 12.0 Gb/秒 SAS 接口,性能更强
  • 10,500 RPM 高性能
  • 业界领先的平均延迟性能 (2.86ms)
  • 全天候不间断的关键任务型工作负载稳定性能和数据高可靠性
  • 所有容量型号均支持 512n 扇区长度,提供最佳的传统应用兼容性
  • 东芝持久写入缓存技术
  • 清理即时擦除 (SIE) 选项
Applications
  • 第 1 级关键任务型服务器和 RAID 存储
  • 第 1 级混合存储平台
  • 托管事务型应用的服务器
  • 机架优化型数据中心
  • 低延迟内容服务
  • 软件定义的融合存储架构
  • 关键任务型服务器引导和日志记录

製品仕様

4K native ( 4Kn ) AL15SEB24EP AL15SEB18EP AL15SEB12EP AL15SEB09EP AL15SEB06EP
4K native ( 4Kn ) , SIE AL15SEB24EPY AL15SEB18EPY AL15SEB12EPY AL15SEB09EPY AL15SEB06EPY
512 emulation ( 512e ) AL15SEB24EQ AL15SEB18EQ AL15SEB12EQ AL15SEB09EQ AL15SEB06EQ
512 emulation ( 512e ) , SIE AL15SEB24EQY AL15SEB18EQY AL15SEB12EQY AL15SEB09EQY AL15SEB06EQY
Form Factor 2.5-inch
Interface 12 Gbit/s SAS
Formatted Capacity 2.4 TB 1.8 TB 1.2 TB 900 GB 600 GB
Buffer Size 128 MiB
Rotation Speed 10,500 rpm
Data Transfer Speed
 ( Sustained )
260.0 MiB/s
MTTF 2,000,000 hours
Power Consumption
( Idle - A )
5.1 W 4.6 W 3.5 W 3.5 W 3.0 W
Weight 230 g Max
512 native ( 512n ) AL15SEB120N AL15SEB090N AL15SEB060N AL15SEB030N
512 native ( 512e ) , SIE AL15SEB120NY AL15SEB090NY AL15SEB060NY AL15SEB030NY
Form Factor 2.5-inch
Interface 12 Gbit/s SAS
Formatted Capacity 1.2 TB 900 GB 600 GB 300 GB
Buffer Size 128 MiB
Rotaion Seed 10,500 rpm
Data Transfer Speed (Sustained) 234.0 MiB/s 222.5 MiB/s
MTTF 2,000,000 hours
Power Consumption ( Idle - A ) 4.5 W 3.5 W 3.5 W 3.0 W
Weight 230 g Max
  • Product image may represent a design model.
  • Definition of capacity: A gigabyte (GB) as 1,000,000,000 bytes and a terabyte (TB) as 1,000,000,000,000 bytes. A computer operating system, however, reports storage capacity using powers of 2 for the definition of 1GB = 230 = 1,073,741,824 bytes and therefore shows less storage capacity. Available storage capacity (including examples of various media files) will vary based on file size, formatting, settings, software and operating system, such as Microsoft Operating System and/or pre-installed software applications, or media content. Actual formatted capacity may vary.
  • A kibibyte (KiB) means 210, or 1,024 bytes, a mebibyte (MiB) means 220, or 1,048,576 bytes, and a gibibyte (GiB) means 230, or 1,073,741,824 bytes.
  • MTTF (Mean Time to Failure) is not a guarantee or estimate of product life; it is a statistical value related to mean failure rates for a large number of products which may not accurately reflect actual operation. Actual operating life of the product may be different from the MTTF.
  • Read and write speed may vary depending on the host device, read and write conditions, and file size.
  • SIE: Sanitize Instant Erase. SIE is a function to invalidate the data recorded on the magnetic disks at a blink.
  • "3.5-inch" mean the form factor of HDDs. They do not indicate drive's physical size.
  • PWC (Persistent Write Cache) with PLP (Power Loss Protection) : PWC with PLP is a function to handle the write data that the drive reports "Normal completion" to the host but not being stored to hard disk media yet. The write data may be written to the commanded LBA on the hard disk media. The un-written data to hard disk media is stored to Flash memory using back up power by PLP when the power supply to the drive suddenly is shut down. And, after PLP operation, it may be required more time to start up the drive than in case of normal shutdown. 1) PLP does not secure data in the mode of all the power shutdowns. When power supplies other than recommended procedure are intercepted, data might be lost. 2) In the power shutdown before it reports on the Write completion, data not anticipated might be lost.
  • PLP (Power Loss Protection): PLP supports to record data in buffer memory to hard disk media utilizing back electromotive force along with media rotation inertia in case of sudden supply shut down.
  • Workload is a measure of the data throughput of the year, and it is defined as the amount of data written, read or verified by commands from the host system.

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