Description
Data Security Features
Data security features refer to a set of measures and protocols implemented in a hard drive to protect the data stored on it from unauthorized access, tampering, or theft. These features can be hardware-based or software-based, and they are designed to ensure the confidentiality, integrity, and availability of data. Here are some common data security features found in modern hard drives:
- Encryption: Encryption is the process of converting data into a secret code to prevent unauthorized access. Many hard drives come with built-in encryption features that encrypt the data stored on the drive automatically.
- Secure Erase: Secure erase is a process that permanently deletes all the data on a hard drive. This feature is useful when disposing of or selling an old hard drive to prevent any sensitive information from falling into the wrong hands.
- Self-Encrypting Drive (SED): A self-encrypting drive is a type of hard drive that automatically encrypts all data stored on it, and can only be accessed with a password or other authentication methods.
- Password Protection: Password protection is a basic security feature that requires a user to enter a password to access the hard drive. This feature prevents unauthorized access to the data stored on the hard drive.
- Tamper Detection: Tamper detection is a feature that alerts the user when the hard drive is physically tampered with, such as when someone tries to open the hard drive casing.
- Write Protection: Write protection is a feature that prevents data from being overwritten or modified. This feature is useful for protecting critical system files or data that should not be modified.
Trusted Platform Module (TPM): A TPM is a specialized chip that provides hardware-level security features such as encryption, authentication, and secure booting. Many modern hard drives come with built-in TPMs to provide additional security.SAS vs SCSI: Key Differences
SAS (Serial Attached SCSI) and SCSI (Small Computer System Interface) are two different types of interface technologies used to connect storage devices to a computer system. Here are some of the key differences between SAS and SCSI:
- Speed: SAS is generally faster than SCSI, with a maximum data transfer rate of 12 Gbps compared to SCSI’s maximum of 640 Mbps. This speed advantage makes SAS a better choice for high-performance storage applications.
- Scalability: SAS allows for more devices to be connected to a single controller compared to SCSI. SAS supports up to 65,536 devices, while SCSI supports up to 15 devices per controller.
- Cable Length: SAS cables can be longer than SCSI cables, allowing for greater flexibility in system design. SAS cables can reach up to 10 meters in length, while SCSI cables are limited to around 6 meters.
- Compatibility: SAS is backward compatible with SATA (Serial ATA) devices, while SCSI is not. This means that SAS controllers can support both SAS and SATA drives, making them more versatile.
- Cost: SAS is generally more expensive than SCSI due to its higher performance and scalability. However, the cost difference has been decreasing in recent years as SAS becomes more mainstream.
- Reliability: SAS is designed for enterprise-level applications and offers features such as error checking and correction and data redundancy to ensure data integrity. SCSI also offers similar features, but SAS is generally considered more reliable.
Error Correction and Data Protection
Error correction and data protection are essential features of a hard drive that help to ensure data integrity and prevent data loss. Here are some of the key error correction and data protection features found in modern hard drives:
- Error Correction Code (ECC): ECC is a type of error correction mechanism that detects and corrects errors in data as it is read from or written to the hard drive. This feature is essential for ensuring data integrity and preventing data loss due to corrupted data.
- Redundant Array of Independent Disks (RAID): RAID is a technology that uses multiple hard drives to create a single logical drive with better performance, reliability, and data protection. RAID can be used to create redundancy in case of hard drive failure and to improve read and write performance.
- Bad Block Management: Hard drives are subject to occasional bad blocks, which are areas of the disk that cannot reliably store data. Bad block management is a feature that identifies and isolates these bad blocks to prevent data loss.
- Self-Monitoring, Analysis and Reporting Technology (SMART): SMART is a feature that monitors the health and status of a hard drive and alerts the user when a failure is imminent. SMART can help prevent data loss by allowing the user to replace a failing hard drive before it fails completely.
- Power Loss Protection: Power loss protection is a feature that protects data in the event of a sudden power loss by temporarily storing data in a non-volatile cache. This feature ensures that data is not lost or corrupted due to power interruptions.
- Data Encryption: Data encryption is a feature that protects data by encrypting it before it is written to the hard drive. This feature ensures that even if the hard drive is stolen or accessed by an unauthorized person, the data is still protected.
General Information
- Manufacturer Name: Hewlett Packard Enterprise (HPE)
- MPN: EG0450FBVFM
- Type: Hard drive – hot-swap
- HDD Type: SAS 6 GBPS
- SKU: EG0450FBVFM
Performance
- Drive Transfer Rate: 600 MBps (External)
- Spindle Speed: 10000 RPM
Dimension and Weight
- Width : 2.8 Inch
- Depth : 3.9 Inch
- Height : 0.6 Inch
- Weight : 0.50 LBS
Expansion & Connectivity
- Interfaces: 1 x Serial Attached SCSI 2
- Compatible Bays: 1 x hot-swap – 2.5 inch SFF
Compatibility Information
- ProLiant BL Series: BL420c (G1- G7) BL460c (G1- G7) BL465c (G1- G7) BL660c (G1- G7)
- ProLiant DL Series: DL120 (G1- G7) DL160 (G1- G7) DL180 (G1- G7) DL320e (G1- G7) DL360 (G1- G7) DL360e (G1- G7) DL388 (G9)
- ProLiant DL Series: DL360p (G1- G7) DL380 (G1- G7) DL380e (G1- G7) DL380p (G1- G7) DL385p (G1- G7) DL560 (G1- G7) DL580 (G1- G7)
- ProLiant ML Series: ML110 (G1- G7) ML150 (G1- G7) ML310e (G1- G7) ML350 (G1- G7) ML350e (G1- G7) ML350p (G1- G7)
- ProLiant SL Series: SL230s (G1- G7) SL250s (G1- G7) SL270s (G1- G7)
- ProLiant XL Series: XL170r XL190r XL220a XL230a XL250a
- HPE Storage arrays: D3700 D2220sb StoreEasy 1830 1840
