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企業級 HDD

企業級效能型硬碟

AL15SEBxxEx Series

12.0 Gbit/s SAS 介面 AL15SEB 系列企業級效能型硬碟提供高達 2.4TB 的容量以及 10,500 rpm 的企業級可靠效能。

專為關鍵任務型的 IT 營運 (包括資料庫伺服器和混合式儲存平台) 所設計,AL15SE 系列提供多款型號包括 512 原生 (512n)、模擬 512 (512e) 或 4K 原生 (4Kn) 磁區長度技術,提供適合的應用與作業系統相容性。 

Toshiba 持續性寫入快取技術,可在意外斷電時防止資料遺失,並協助高工作週期的關鍵任務環境,維持適合的效能及資料可靠性。 

Key Features
  • 2400、1800、1200、900 和 600 GB 容量 (先進格式磁區技術型號)
  • 1200、900、600、300GB (512n 磁區技術型號)
  • 節省空間、節能省電的 2.5 吋外型規格
  • 12.0 Gbit/s SAS 介面,提供更優異的效能
  • 10,500 rpm 效能
  • 領先業界平均延遲時間 (2.86ms)
  • 全年無休的關鍵任務型工作負載效能與資料可靠性
  • 所有容量均支援 512n 磁區長度,提供最佳的舊型應用程式相容性
  • Toshiba 持續性寫入快取技術
  • 清理即時擦除 (SIE) 選項
Applications
  • 第 1 層關鍵任務型伺服器與 RAID 儲存
  • 第 1 層混合式儲存平台
  • 執行交易型應用程式的伺服器
  • 機架最佳化的資料中心
  • 低延遲需求的內容服務
  • 軟體定義及融合式儲存架構
  • 關鍵任務型伺服器開機與記錄

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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