Seagate Exos X20 20TB, ST20000NM007D

Specifications

SATA 6 Gb/s 12 Gb/s SAS

SATA 6 Gb/s 12 Gb/s SAS

Capacity 20 TB 20 TB 18 TB 18 TB

Standard Model FastFormat[superscript™] (512e/4Kn)[superscript1]

ST20000NM007D

ST20000NM002D

ST18000NM003D

ST18000NM000D

SED Model FastFormat (512e/4Kn)[superscript1,2]

ST20000NM000D

ST20000NM003D

ST18000NM004D

ST18000NM001D

SED-FIPS FastFormat (512e/4Kn)[superscript1,2]  

ST20000NM005D  

ST18000NM002D

FEATURES

Helium Sealed-Drive Design

Yes

Yes

Yes

Yes

Conventional Magnetic Recording (CMR)

Yes

Yes

Yes

Yes

Protection Information (T10 DIF) —

Yes —

Yes

Super Parity

Yes

Yes

Yes

Yes

Low Halogen

Yes

Yes

Yes

Yes

PowerChoice[superscript™] Idle Power Technology

Yes

Yes

Yes

Yes

PowerBalance[superscript™] Power/Performance Technology

Yes

Yes

Yes

Yes

Hot-Plug Support[superscript3]

Yes

Yes

Yes

Yes

Cache, Multi-segmented (MB) 256 256 256 256

Organic Solderability Preservative

Yes

Yes

Yes

Yes

RSA 3072 Firmware Verification (SD&D)

Yes

Yes

Yes

Yes

RELIABILITY/DATA INTEGRITY

Mean Time Between Failures (MTBF, hours) 2.5 Million 2.5 Million 2.5 Million 2.5 Million

Reliability Rating @ Full 24×7 Operation (AFR) 0.35% 0.35% 0.35% 0.35%

Non-recoverable Read Errors per Bits Read 1 sector per 10E15 1 sector per 10E15 1 sector per 10E15 1 sector per 10E15

Power-On Hours per Year (24×7) 8,760 8,760 8,760 8,760 512e Sector Size (Bytes per Sector) 512 512, 520, 528 512 512, 520, 528 4Kn Sector Size (Bytes per Sector) 4096 4096, 4160,4224 4096 4096, 4160,4224

Limited Warranty (years) 5 5 5 5

PERFORMANCE

Spindle Speed (RPM) 7,200 7,200 7,200 7,200

Interface Access Speed (Gb/s) 6.0, 3.0 12.0, 6.0, 3.0 6.0, 3.0 12.0, 6.0, 3.0

Max. Sustained Transfer Rate OD (MB/s, MiB/s) 285/272 285/272 285/272 285/272

Random Read/Write 4K QD16 WCD (IOPS) 168/550 168/550 168/550 168/550

Average Latency (ms) 4.16 4.16 4.16 4.16

Interface Ports

Single

Dual

Single

Dual

Rotation Vibration @ 20-1,500 Hz (rad/sec[superscript2]) 12.5 12.5 12.5 12.5  

Idle A (W) Average 5.4 5.8 5.4 5.8

Max Operating, Random Read/Write 4K/16Q (W) 9.4, 6.4 9.8, 7.0 9.4, 6.4 9.8, 7.0

Power Supply Requirements

• 12 V and +5 V
• 12 V and +5 V
• 12 V and +5 V
• 12 V and +5 V

ENVIRONMENTAL

Temperature, Operating (°C) 5 to 60 5 to 60 5 to 60 5 to 60

Vibration, Non-operating: 2 to 500 Hz (Grms) 2.27 2.27 2.27 2.27

Shock, Operating 2 ms (Read/Write) (Gs) 40 40 40 40

Shock, Non-operating, 2 ms (Gs) 200 200 200 200

PHYSICAL

Height (mm/in, max)[superscript4] 26.1/1.028 26.1/1.028 26.1/1.028 26.1/1.028

Width (mm/in, max)[superscript4] 101.85/4.010 101.85/4.010 101.85/4.010 101.85/4.010

Depth (mm/in, max)[superscript4] 147.0/5.787 147.0/5.787 147.0/5.787 147.0/5.787

Weight (lb/g) 670g/1.477lb 670g/1.477lb 670g/1.477lb 670g/1.477lb

Carton Unit Quantity 20 20 20 20

Cartons per Pallet/Cartons per Layer 40/8 40/8 40/8 40/8                   1 FastFormat models ship in 512e format state. When switching from 512e to 4Kn by executing the FastFormat routine, all data on the drive will be deleted. Note that data must be aligned to 4K sectors to see improved performance in 4Kn format.     2 Self-Encrypting Drives (SED) and FIPS 140-3 Validated drives available through franchised authorised distributors. May require TCG-compliant host or controller support.         3 Supports Hotplug operation per Serial ATA Revision 3.3 specification 4 These base deck dimensions conform to the Small Form Factor Standard (SFF-8301) found at https://www.snia.org/sff. For connector-related dimensions, see SFF-8323.

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