Seagate Exos X20 3,5" - 20TB (server) 7200rpm SAS 256MB 512e 4kN

Seagate Exos X20 je 3,5" pevný disk s kapacitou 20 TB a rychlostí 7200 rpm. Podporuje rozhraní SAS 12 Gb/s a má 256 MB cache. Je navržen pro vysokou spolehlivost s MTBF 2,5 milionu hodin, ideální pro servery a datová centra.
Skladem > 5 ks
11 482 Kč bez DPH 9 489 Kč

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SEAGATE
1281022
ST20000NM002D
60 měsíců
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Popis produktu
 
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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