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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 7,999.95	R 7,049.95	R 7,649.95	R 8,319.95	R 7,739.95	R 7,509.95	R 5,289.95	R 6,729.95	R 9,099.95	R 7,179.94	R 8,449.95	R 2,439.96
model	IronWolf 12TB / ST12000VN0008	Exos X18 16TB SATA / ST16000NM000J	Exos X18 16TB SAS / ST16000NM004J	Exos X18 18TB SATA / ST18000NM000J	Exos X18 18TB SATA SED / ST18000NM001J	Exos X18 18TB SAS / ST18000NM004J	IronWolf 8TB / ST8000VN004	Exos X18 10TB SATA SED / ST10000NM020G	Exos X20 20TB / ST20000NM007D	Exos X18 14TB SATA / ST14000NM000J	Exos X18 12TB SAS / ST12000NM004J	IronWolf 3TB / ST3000VN006
name	IronWolf 12TB NAS Hard Drive (ST12000VN0008)	Exos X18 16TB 3.5" SATA Enterprise Internal Hard Drive (ST16000NM000J)	Exos X18 16TB 3.5" SAS Enterprise Internal Hard Drive (ST16000NM004J)	Exos X18 18TB 3.5" SATA Enterprise Internal Hard Drive (ST18000NM000J)	Exos X18 18TB 3.5" SATA SED Enterprise Internal Hard Drive (ST18000NM001J)	Exos X18 18TB 3.5" SAS Enterprise Internal Hard Drive (ST18000NM004J)	IronWolf 8TB NAS Hard Drive (ST8000VN004)	Exos X18 10TB 3.5" SATA SED Enterprise Internal Hard Drive (ST10000NM020G)	Exos X20 20TB 3.5" SATA Enterprise Internal Hard Drive (ST20000NM007D)	Exos X18 14TB 3.5" SATA Enterprise Internal Hard Drive (ST14000NM000J)	Exos X18 12TB 3.5" SAS Enterprise Internal Hard Drive (ST12000NM004J)	IronWolf 3TB NAS Hard Drive (ST3000VN006)
details	* SATA3 * 3.5" form factor * 7200rpm * 256MB Cache	* 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	* 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	* 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	* 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	* 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	* 1-8 Bays Supported * SATA 6GB/s Interface * 7200RPM * 256MB Cache * Max. Sustained Transfer Rate OD (MB/s): 210MB/s * 180TB/year * MTBF, hours = 1,000,000 * Rotational Vibration (RV) Sensor * Dual-Plane Balance * Error Recovery Control	* 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	* 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)	* 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	* 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	* SATA 6Gb/s * 3.5" form factor * 7200rpm * 256mb cache * Max Sustained Data Transfer: 210MB/s * MTBF: 1 million hours * Suitable for 1- to 8-bay Network Attached Storage (NAS) * Best fit for Desktop RAID and servers * Best fit for Multimedia server storage * Best fit for Private cloud
warranty	3 years	5 years	5 years	5 years	5 years	5 years	3 years	5 years	5 years	5 years	5 years	3 years
General
Model	IronWolf 12TB	Exos X18 16TB SATA	Exos X18 16TB SAS	Exos X18 18TB SATA	Exos X18 18TB SATA SED	Exos X18 18TB SAS	IronWolf 8TB	Exos X18 10TB SATA SED	Exos X20 20TB	Exos X18 14TB SATA	Exos X18 12TB SAS	IronWolf 3TB
Product Line	IronWolf	Exos X18	Exos X18	Exos X18	Exos X18	Exos X18	IronWolf	Exos X18	Exos X20	Exos X18	Exos X18	IronWolf
Drive Type	NAS	Desktop	Server	Desktop	Desktop	Server	NAS	Desktop	Desktop	Desktop	Server	NAS
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	16 TB	16 TB	18 TB	16 TB	18 TB	8 TB	10 TB	20 TB	14 TB	12 TB	2 TB
Interface	SATA3	SATA3	SAS	SATA3	SATA3	SAS	SATA3	SATA3	SATA3	SATA3	SAS	SATA3
Drive Format	<not specified>	4Kn 512e	512e 4Kn	4Kn 512e	4Kn 512e	512e 4Kn	<not specified>	4Kn 512e	512e 4Kn	4Kn 512e	512e 4Kn	<not specified>
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	<not specified>	4.16 msec	4.16 msec	4.16 msec	4.16 msec	4.16 msec	<not specified>	4.16 msec	4.16 msec	4.16 msec	4.16 msec	<not specified>
Data Rate	210 MB/s	270 MB/s	270 MB/s	270 MB/s	270 MB/s	270 MB/s	210 MB/s	270 MB/s	285 MB/s	270 MB/s	270 MB/s	210 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>	26.1 mm	26.1 mm	26.1 mm	26.1 mm	26.1 mm	26.1 mm	26.1 mm	26.1 mm	26.1 mm	26.1 mm	20.2 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>