Brand
 
 Seagate (72)
 
 Western Digital (36)
 
 Dell (3)
 
 HP (1)
 
 Synology (1)
 
Intended Use
 
 Desktop (21)
 
 Notebook (12)
 
 NAS (29)
 
 Surveillance (22)
 
 Server (13)
 
Interface
 
 SATA3 (91)
 
 SAS-2 (6)
 
Capacity
 
 500 GB (6)
 
 1 TB (16)
 
 2 TB (13)
 
 4 TB (10)
 
 3 TB (8)
 
 5 TB (1)
 
 6 TB (8)
 
 8TB (8)
 
 10TB (7)
 
 12TB (10)
 
 14TB (5)
 
Rotational Speed
 
 5400 RPM (28)
 
 7200 RPM (58)
MyGate
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Internal Hard Drives   
                       
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 1,099.95 R 2,309.95 R 9,309.95 R 3,779.95 R 1,269.95 R 1,739.95 R 10,039.95 R 9,269.95 R 7,049.95 R 8,319.95 R 7,739.95 R 7,919.95
model WD Blue 3.5" 2TB / WD20EZAZ WD Blue 3.5" 4TB / WD40EZAZ WD Purple 14TB / WD140PURZ WD Purple 6TB / WD62PURZ Skyhawk 2TB / ST2000VX015 Skyhawk 4TB / ST4000VX013 Ultrastar DC HC550 / WUH721818ALE6L4 Ultrastar DC HC550 / WUH721816ALE6L4 Exos X18 16TB SATA / ST16000NM000J Exos X18 18TB SATA / ST18000NM000J Exos X18 18TB SATA SED / ST18000NM001J IronWolf Pro 12TB / ST12000NE0008
name WD Blue 3.5" 2TB Desktop Hard Drive (WD20EZAZ) WD Blue 3.5" 4TB Desktop Hard Drive (WD40EZAZ) WD Purple 14TB 3.5" Surveillance Hard Drive (WD140PURZ) WD Purple 6TB 3.5" Surveillance Hard Drive (WD62PURZ) Skyhawk 2TB 3.5" Surveillance Hard Drive (ST2000VX015) Skyhawk 4TB 3.5" Surveillance Hard Drive (ST4000VX013) Ultrastar DC HC550 SATA 18TB Server Hard Drive (WUH721818ALE6L4) Ultrastar DC HC550 SATA 16TB Server Hard Drive (WUH721816ALE6L4) Exos X18 16TB 3.5" SATA Enterprise Internal Hard Drive (ST16000NM000J) Exos X18 18TB 3.5" SATA Enterprise Internal Hard Drive (ST18000NM000J) Exos X18 18TB 3.5" SATA SED Enterprise Internal Hard Drive (ST18000NM001J) IronWolf Pro 12TB NAS Hard Drive (ST12000NE0008)
details * SATA3 * 5400rpm * 256MB Cache * 180MB/s Host to/from (Sustained) * For Desktop * SATA3 * 5400rpm * 256MB Cache * 180MB/s Host to/from (Sustained) * For Desktop * SATA3 * 7200rpm * Up to 64 Cameras Supported * 512 MB Cache * 255MB/s Host to/from (Sustained) * AllFrame * HD Video Optimised * SATA3 * 5640rpm * Up to 64 Cameras Supported * 128 MB Cache * 185MB/s Host to/from (Sustained) * AllFrame * HD Video Optimised * Recording Technology: SMR * Interface: SATA 6 Gb/s * Drive Bays Supported: Up to 8 * Cameras Supported: Up to 64 * Max Sustained Transfer Rate: 180MB/s * 256 Cache (MB) * Mean Time Between Failures (MTBF) (hours): 1,000,000 hr * Recording Technology: SMR * Interface: SATA 6 Gb/s * Drive Bays Supported: Up to 16 * Cameras Supported: Up to 64 * Max Sustained Transfer Rate: 180MB/s * 256 Cache (MB) * Mean Time Between Failures (MTBF) (hours): 1,000,000 hr * SATA 6Gb/s * 7200 RPM * 512MB Cache Buffer * Transfer Rate: 600MB/s * Sustained Transfer Rate: 269 MB/s * Workload: 550 TB/year * MTBF : 2.5M hours * SATA 6Gb/s * 7200 RPM * 512MB Cache Buffer * Transfer Rate: 600MB/s * Sustained Transfer Rate: 262 MB/s * Workload: 550 TB/year * MTBF : 2.5M 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 * 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 * 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)
warranty 2 years 2 years 3 years 3 years 3 years 3 years 5 years 5 years 5 years 5 years 5 years 5 years
General
Model
WD Blue 3.5" 2TB
WD Blue 3.5" 4TB
WD Purple 14TB
WD Purple 6TB
Skyhawk 2TB
Skyhawk 4TB
Ultrastar DC HC550
Ultrastar DC HC550
Exos X18 16TB SATA
Exos X18 18TB SATA
Exos X18 18TB SATA SED
IronWolf Pro 12TB
Product Line
WD Blue 3.5"
WD Blue 3.5"
WD Purple
WD Purple
Skyhawk
Skyhawk
Ultrastar DC HC500 Series
Ultrastar DC HC500 Series
Exos X18
Exos X18
Exos X18
IronWolf Pro
Drive Type
Desktop
Desktop
Surveillance
Surveillance
Surveillance
Surveillance
Server
Server
Desktop
Desktop
Desktop
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
2 TB
4 TB
14 TB
6 TB
2 TB
4 TB
18 TB
16 TB
16 TB
18 TB
16 TB
12 TB
Interface
SATA3
SATA3
SATA3
SATA3
SATA3
SATA3
SATA3
SATA3
SATA3
SATA3
SATA3
SATA3
Drive Format <not specified> <not specified> <not specified> <not specified> <not specified> <not specified>
512e
512e
4Kn
512e
4Kn
512e
4Kn
512e
 <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
5400 rpm
5400 rpm
7200 rpm
5640 rpm
5400 rpm
5400 rpm
7200 rpm
7200 rpm
7200 rpm
7200 rpm
7200 rpm
7200 rpm
Cache Size
256 MB
256 MB
512 MB
128 MB
256 MB
256 MB
512 MB
512 MB
256 MB
256 MB
256 MB
256 MB
Average Latency <not specified> <not specified> <not specified> <not specified> <not specified> <not specified>
4.16 msec
4.16 msec
4.16 msec
4.16 msec
4.16 msec
4.16 msec
Data Rate
180 MB/s
180 MB/s
255 MB/s
185 MB/s
180 MB/s
180 MB/s
600 MB/s
600 MB/s
270 MB/s
270 MB/s
270 MB/s
250 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>
20.2 mm
20.2 mm
26 mm
26 mm
26.1 mm
26.1 mm
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>