Meaning of Model Number

Labels

HDD model numbers are indicated in the label like the label photos below.

Label example of storage products

Begins with "AL"

Label example of Enterprise Performance HDD
Enterprise Performance HDD

1. Series Number

2. Interface

  • S: SAS

3. RPM

  • E: 10,500 rpm
  • X: 15,000 rpm

4. Height

  • B: 15 mm
  • Q: 15 mm, SED ( Self-Encripting Drive )

5. Formatted Capacity ×10 or ×100 GB

6. Interface Speed

  • 0: 6.0 Gbit/s or 12.0 Gbit/s
  • E: 12.0 Gbit/s

7. Options

  • A, P: 4K Native (4Kn) AF
  • E, Q: 512 B Emulation (512e) AF
  • N: 512 B Native (512n) Format
  • NY: 512 B Native (512n) Format and SIE ( Sanitize Instant Erase )

Begins with "DT"

Label example of Desktop HDD, Video Stream HDD
Desktop HDD, Video Stream HDD

1. Series Number

2. Interface

  • A: SATA

3. RPM

  • B: 5,xxx rpm
  • C: 7,200 rpm

4. Height

  • A: 26.1 mm

5. Formatted capacity ×10 GB

6. Options

  • V: Video Stream

Begins with "MB"

Label example of Enterprise Performance HDD
Enterprise Performance HDD

1. Product Line

  • B: Enterprise Performance HDD

2. Series Number

3. Form Factor

  • 2: 2.5-inch
  • 3: 3.5-inch

4. Formatted Capacity

5. Interface

  • FC: 2 Gbit Fibre Channel
  • FD: 4 Gbit Fibre Channel
  • NC: U320 SCSI 80-pin
  • NP: U320 SCSI 68-pin
  • RC: SAS

Begins with "MC"

Label example of Enterprise Cloud HDD
Enterprise Cloud HDD

1. Series Number

2. Interface

  • A: SATA

3. RPM

  • C: 7,200 rpm

4. Height

  • A: 26.1 mm

5. Formatted Capacity ×10 GB

6. Options

  • E: Emulated 512 B/sector Format

Begins with "MD"

Label example of 3.5-inch HDD
3.5-inch HDD

1. Series Number

2. Interface

  • A: SATA

3. RPM

  • B: 5,xxx rpm
  • C: 7,200 rpm

4. Height

  • A: 26.1 mm

5. Formatted Capacity ×100 GB

6. Interface Speed

  • 0,D: 6.0 Gbit/s

7. Options

  • N: 512 B Native (512n) Format
  • V: Surveillance

Begins with "MG"

Label example of Enterprise Capacity HDD
Enterprise Capacity HDD

1. Series Number

2. Interface

  • A: SATA
  • S: SAS

3. RPM

  • C: 7,200 rpm

4. Height

  • A: 26.1 mm

5. Formatted Capacity ×100 GB

6. Interface Speed

  • 0,D: 6.0 Gbit/s
  • E: 12.0 Gbit/s

7. Options

  • A: 4K Native (4Kn) AF
  • E: 512 B Emulation (512e) AF
  • N: 512 B Native (512n) Format
  • AY: 4K Native (4Kn) AF and SIE ( Sanitize Instant Erase )
  • EY: 512 B Emulation (512e) AF and SIE ( Sanitize Instant Erase )
  • NY: 512 B Native (512n) Format and SIE ( Sanitize Instant Erase )

Begins with "MK"

Label example of 1.8-inch HDD, Enterprise Performance HDD, Enterprise Capacity HDD, Enterprise SSD, Mobile HDD, Industrial HDD, Automotive HDD
1.8-inch HDD, Enterprise Performance HDD, Enterprise Capacity HDD, Enterprise SSD, Mobile HDD, Industrial HDD, Automotive HDD

1. Formatted Capacity

2. Series Number

3. Formatted Capacity Unit

  • G: GB
  • T: TB

4. Interface

  • A: PATA
  • C: CE-ATA
  • R: SAS
  • S: SATA

5. Form Factor, RPM, Height and Other Feature

3.5-inch
  • K: 7,200rpm
2.5-inch
  • C: Automotive
  • M: 12.7 mm 5,400 rpm
  • R: 15,000 rpm
  • S: 9.5 mm 4,200 rpm
  • X: 9.5 mm 5,400 rpm
  • Y: 9.5 mm 7,200 rpm
  • Z: SSD
1.8-inch
  • A: 5 mm 3,600 rpm
  • B: 8 mm 3,600 rpm
  • G: 8 mm 5,400 rpm
  • H: 8 mm 4,200 rpm
  • L: 5 mm 4,200 rpm

6. Options

  • B: Enterprise Model
  • D: SED
  • F: Free Fall Sensor
  • G: Wipe Technology
  • R: Enterprise SED

Begins with "MN"

Label example of NAS HDD
NAS HDD

1. Series Number

2. Interface

  • A: SATA

3. RPM

  • C: 7,200 rpm

4. Height

  • A: 26.1mm

5. Formatted Capacity ×10 GB

Begins with "MQ"

Label example of Mobile SSHD, Mobile Thin SSHD, Mobile HDD, Mobile Thin HDD, Video Stream HDD, Large Capacity HDD for External Storage, Automotive HDD
Mobile SSHD, Mobile Thin SSHD, Mobile HDD, Mobile Thin HDD, Video Stream HDD, Large Capacity HDD for External Storage, Automotive HDD

1. Series Number

2. Interface

  • A: SATA

3. Rotation Speed

  • A: 4,200 rpm
  • B: 5,400 rpm
  • C: 7,200 rpm

4. Height

  • B: 15 mm
  • D: 9.5 mm
  • F: 7 mm
  • U: 7 mm (SED)

5. Formatted Capacity ×10 GB

6. Options

  • B: FIPS 140-2
  • C: Automotive
  • H: SSHD
  • V: Video Stream
  • VS: Security Pairing
  • W: Wipe Technology
  • Definition of capacity: A terabyte (TB) is 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 and/or pre-installed software applications, or media content. Actual formatted capacity may vary.
  • SED: Self-Encrypting Drive
  • FIPS: FIPS 140-2, U.S. Federal Information Processing Standards 140-2.
  • SIE: Sanitize Instant Erase. SIE is compatible with Sanitize Device Feature set. Sanitize Device Feature set is the standard prescribed by T10(SAS) and T13(SATA) committees of American National Standards Association（ANSI), which makes it possible to invalidate the data recorded on the magnetic disks at a blink.
  • Wipe technology: Toshiba's unique technology which automatically erases data when an HDD is accessed by an unregistered system.

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