881779-B21 12TB 7200RPM SAS (12GBS) (3.5) SC 512E HELIUM Hard Drive BY HP
881779-B21 General Information:
Device Type: Hard Drive - Hot-Swap
Capacity: 12 TB
Form Factor: 3.5 inch LFF
Interface: SAS 12Gbps
Bytes per Sector: 512
Drive Technology (Fill): Helium
Format Type: 512e
Carrier Type: Smart Carrier (SC)
Workload Type: Midline
Features: Dual Port, Advanced Format 512e, Digitally Signed Firmware
Bundled with: HPE SmartDrive Carrier
HPE ProLiant DL Series: DL20 Gen9 Solution (3.5 inch, DL385 Gen10 (3.5inch, DL385 Gen10 Base (3.5 inch, DL385 Gen10 Entry (3.5 inch, DL385 Gen10High-Perferformance (3.5 inch, DL385 Gen10 High-Performance (3.5 inch, DL385Gen10 Performance (3.5 inch, DL385 Gen10 Solution (3.5 inch) Servers
Serial Attached SCSI (SAS) is a technology designed to move data to and from computer storage devices such as hard drives and tape drives. It is a point-to-point serial protocol that replaces the parallel SCSI
881779-B21 Serial Attached SCSI (SAS). SAS is the logical evolution of SCSI including its long-established software advantage and the serial physical connection interface. With enterprise storage requirements escalating and becoming more complex factors such as larger capacity greater density security scalability and accessibility are more critical than ever. Serial Attached SCSI (SAS) meets all these demands while providing the highest performance.
881779-B21 Helium Drives Although hard drives are sealed, they have air inside. Air can create turbulence-induced risk vibrations which can limit the storage density of HDDs. Newer helium-filled drives virtually eliminate turbulence because helium is 1/7th as dense as air. This lower density allows the read/write mechanism to spin more easily with less drag. Less internal turbulence means the drive platters can be closer together, allowing more platters and increasing the capacity potential in the same space. Less turbulence also means helium drives tend to use less power run quieter.
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