WD RED PRO 20TB 3.5" HDD Drive
Western Digital - WD RED PRO NAS 20TB HDD Drive
3.5" Drive - SATA (SATA/600) - 7200RPM - 512MB Cache - 24/7 NAS HDD
Maximum data transfer speed 268 MB/s - MTTF of 1 million hours
5-year manufacturer's limited warranty
Seagate - BARRACUDA 1TB HDD Drive
3.5" Drive - SATA (SATA/600) - 7200RPM - 64MB Cache
Maximum data transfer speed 210 MB/s
2-year manufacturer's limited warranty
Product |
BARRACUDA 1TB 3.5" HDD Drive | WD PURPLE 1TB 3.5" HDD Drive | WD BLUE 1TB 3.5" HDD Drive | WD BLUE 2TB 3.5" HDD Drive |
Availability |
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Price |
€58.00
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€65.00
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€59.00
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€61.00
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Description |
Seagate - BARRACUDA 1TB HDD Drive |
WD Purple Surveillance Hard Drive 1TB |
Western Digital - WD BLUE 1TB HDD Drive |
Western Digital - WD BLUE 2TB HDD Drive |
Brand |
Seagate | Western Digital | Western Digital | Western Digital |
Installed disk capacity |
1TB | 1TB | 1TB | 2TB |
Disk model installed |
Seagate BARRACUDA | WD PURPLE | WD BLUE | WD BLUE |
Disk interface |
Serial ATA 6Gb/s (SATA Revision 3) | Serial ATA 6Gb/s (SATA Revision 3) | Serial ATA 6Gb/s (SATA Revision 3) | Serial ATA 6Gb/s (SATA Revision 3) |
Weight |
0.640Kg | 0.450Kg | 0.450Kg | 0.450Kg |
Sound level |
Not disclosed | 21.0 dB(A) | 29.0 dB(A) | 21.0 dB(A) |
Manufacturer's warranty |
2-year hardware warranty | 3-year hardware warranty | 2-year hardware warranty | 2-year hardware warranty |
Cache memory |
64 MB | 64 MB | 64 MB | 256MB |
Rotation speed |
7,200 rpm | 5,400 rpm | 7,200 rpm | 5,400 rpm |
MTTF |
NC | 1.0 million(s) d'heures | NC | NC |
Disc format |
3.5" SATA HDD | 3.5" SATA HDD | 3.5" SATA HDD | 3.5" SATA HDD |
Annual workload TB |
55TB | 180TB | NC | NC |
Maximum transfer speed |
210 Mo/s | 110 Mo/s | 150 Mo/s | 180 Mo/s |
Recording technology |
CMR (Conventional Magnetic Recording) | CMR (Conventional Magnetic Recording) | CMR (Conventional Magnetic Recording) | SMR (Shingled Magnetic Recording) |
Color |
Couleur | Black | Black | |
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