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product page	view details	view details	view details	view details	view details	view details	view details	view details	view details	view details	view details	view details
price	R 8,279.95	R 9,409.96	R 7,999.95	R 8,929.95	R 8,319.95	R 7,919.95	R 11,149.95	R 9,099.95	R 12,059.95	R 13,209.95	R 10,429.95	R 8,449.95
model	IronWolf Pro 12TB / ST12000NE0007	IronWolf Pro 14TB / ST14000NE0008	IronWolf 12TB / ST12000VN0008	IronWolf Pro 16TB / ST16000NE000	Exos X18 18TB SATA / ST18000NM000J	IronWolf Pro 12TB / ST12000NE0008	Skyhawk AI 18TB / ST18000VE002	Exos X20 20TB / ST20000NM007D	ST18000NE000	IronWolf Pro 20TB / ST20000NE000	IronWolf Pro 16TB / ST16000NT001	Exos X18 12TB SAS / ST12000NM004J
name	IronWolf Pro 12TB NAS Hard Drive (ST12000NE0007)	IronWolf Pro 14TB NAS Hard Drive (ST14000NE0008)	IronWolf 12TB NAS Hard Drive (ST12000VN0008)	IronWolf Pro 16TB NAS Hard Drive (ST16000NE000)	Exos X18 18TB 3.5" SATA Enterprise Internal Hard Drive (ST18000NM000J)	IronWolf Pro 12TB NAS Hard Drive (ST12000NE0008)	Skyhawk AI 18TB 3.5" Desktop Surveillance Hard Drive (ST18000VE002)	Exos X20 20TB 3.5" SATA Enterprise Internal Hard Drive (ST20000NM007D)	IronWolf Pro 18TB NAS Hard Drive (ST18000NE000)	IronWolf Pro 20TB NAS Hard Drive (ST20000NE000)	IronWolf Pro 16TB NAS Hard Drive (ST16000NT001)	Exos X18 12TB 3.5" SAS Enterprise Internal Hard Drive (ST12000NM004J)
details	* Designed for multi-bay NAS systems with Power balance + AcuTrac Technology * 1 to 16 bays * Sata 6Gb/s * 7200rpm * 256mb Cache * 1.2 M Mean Time Between Failures (MTBF) (hours)	* Designed for multi-bay NAS systems with Power balance + AcuTrac Technology * 1 to 16 bays * Sata 6Gb/s * 7200rpm * 256mb Cache * 1.2 M Mean Time Between Failures (MTBF) (hours)	* SATA3 * 3.5" form factor * 7200rpm * 256MB Cache	* Designed for multi-bay NAS systems with Power balance + AcuTrac Technology * SATA III 6 Gb/s Interface * Up to 24-bay * Sata 6Gb/s * 7200rpm * 256mb Cache * 1.2 M Mean Time Between Failures (MTBF) (hours)	* SATA 6 Gb/s * 7200 RPM * 512e/4Kn Sector Size (Bytes per Sector) * Cache, Multi-segmented (MB): 256 MB * Max. Sustained Transfer Rate OD (MB/s, MiB/s): 270/258 * Single Interface Ports * MTBF: 2,500,000 * Power-On Hours per Year (24×7): 8,760	* Designed for multi-bay NAS systems with Power balance + AcuTrac Technology * Up to 24-bay * Sata 6Gb/s * 7200rpm * 256mb Cache * 1.2 M Mean Time Between Failures (MTBF) (hours)	* ImagePerfect AI firmware * Custom designed to support an additional 32 AI streams * Designed and built to handle heavy surveillance workloads * Advanced vibration management * SkyHawk Health Management * Improved reliability * Unparalleled data protection * 256MB Cache	* SATA 6 Gb/s * FastFormat (512e/4Kn) * 7200RPM * 256MB Cache * Max. Sustained Transfer Rate: 285 MB/s * (MTBF, hours): 2,500,000 * Helium Sealed-Drive Design * Conventional Magnetic Recording (CMR) * SuperParity, Low Halogen * PowerChoice Idle Power Technology, PowerBalance Power/Performance Technology * Hot-Plug Support * Organic Solderability Preservative * RSA 3072 Firmware Verification (SD&D)	* Designed for multi-bay NAS systems with Power balance + AcuTrac Technology * 1 to 16 bays * Sata 6Gb/s * 7200rpm * 256mb Cache * 1.2 M Mean Time Between Failures (MTBF) (hours)	* Designed for multi-bay NAS systems with Power balance + AcuTrac Technology * 1 to 16 bays * Sata 6Gb/s * 7200rpm * 256mb Cache * 1.2 M Mean Time Between Failures (MTBF) (hours)	* Interface: SATA 6Gb/s * Unlimited Drive Bays Supported * Workload Rate Limit (WRL): 550 * Drive Design (Air or Helium): Helium * 7200 RPM * 256MB Cache * 512e Drive Format * Max. Sustained Transfer Rate OD (MB/s): 250MB/s * Mean Time Between Failures (MTBF, hours): 2,000,000	* 12 Gb/s SAS * 7200 RPM * 512e/4Kn Sector Size (Bytes per Sector) * Cache, Multi-segmented (MB): 256 MB * Max. Sustained Transfer Rate OD (MB/s, MiB/s): 270/258 * Dual Interface Ports * MTBF: 2,500,000 * Power-On Hours per Year (24×7): 8,760
warranty	5 years	5 years	3 years	5 years	5 years	5 years	5 years	5 years	5 years	5 years	5 years	5 years
General
Model	IronWolf Pro 12TB	IronWolf Pro 14TB	IronWolf 12TB	IronWolf Pro 16TB	Exos X18 18TB SATA	IronWolf Pro 12TB	Skyhawk AI 18TB	Exos X20 20TB		IronWolf Pro 20TB	IronWolf Pro 16TB	Exos X18 12TB SAS
Product Line	IronWolf Pro	IronWolf Pro	IronWolf	IronWolf Pro	Exos X18	IronWolf Pro	Skyhawk AI	Exos X20	IronWolf Pro	IronWolf Pro	IronWolf Pro	Exos X18
Drive Type	NAS	NAS	NAS	NAS	Desktop	NAS	Surveillance	Desktop	NAS	NAS	NAS	Server
SSHD	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>
Form Factor	3.5 inch	3.5 inch	3.5 inch	3.5 inch	3.5 inch	3.5 inch	3.5 inch	3.5 inch	3.5 inch	3.5 inch	3.5 inch	3.5 inch
Capacity	12 TB	14 TB	12 TB	16 TB	18 TB	12 TB	18 TB	20 TB	18 TB	20 TB	16 TB	12 TB
Interface	SATA3	SATA3	SATA3	SATA3	SATA3	SATA3	SATA3	SATA3	SATA3	SATA3	SATA3	SAS
Drive Format	<not specified>	<not specified>	<not specified>	<not specified>	4Kn 512e	<not specified>	<not specified>	512e 4Kn	<not specified>	<not specified>	512e	512e 4Kn
Self Encrypting Drive (SED)	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>
Certification	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>
Performance
Rotational Speed	7200 rpm	7200 rpm	7200 rpm	7200 rpm	7200 rpm	7200 rpm	7200 rpm	7200 rpm	7200 rpm	7200 rpm	7200 rpm	7200 rpm
Cache Size	256 MB	256 MB	256 MB	256 MB	256 MB	256 MB	256 MB	256 MB	256 MB	256 MB	256 MB	256 MB
Average Latency	4.16 msec	4.16 msec	<not specified>	4.16 msec	4.16 msec	4.16 msec	<not specified>	4.16 msec	4.16 msec	4.16 msec	<not specified>	4.16 msec
Data Rate	250 MB/s	250 MB/s	210 MB/s	250 MB/s	270 MB/s	250 MB/s	235 MB/s	285 MB/s	214 MB/s	214 MB/s	250 MB/s	270 MB/s
Random read seek time	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>
Random write seek time	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>
Thickness	<not specified>	<not specified>	<not specified>	<not specified>	26.1 mm	26.1 mm	<not specified>	26.1 mm	<not specified>	<not specified>	26.1 mm	26.1 mm
Optional Accessories
Rescue Plan	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>	<not specified>