Dopo l’acquisto di Hitachi da parte di Western Digital, l’azienda ha deciso di presentare un HD destinato alla fascia alta/enterprise del mercato lanciando cosi la famiglia Ultrastar He6.
Dopo tanta attesa, è stato avvistato il modello da 6 TeraByte su Amazon ad un prezzo di ben 789 dollari. Considerando che il WD Red 4TB si trova a circa 170€ in Italia. Ecco le specifiche complete:
Model # / Part #
- HUS726060ALA640 / 0F18335
- HUS726060ALA641 / 0F20572
- HUS726060ALS640 / 0F18370
- HUS726060ALS641 / 0F20577
Interface SATA 6Gb/s SAS 6Gb/s
Capacity (GB) 6TB 6TB
Sector size (variable, Bytes/sector) 512n 512 / 520 / 528
Max Areal Density (Gbits/sq. in.) 544 544
Form Factor 3.5-inch HDD 3.5-inch HDD
Performance
Data Buffer (MB) 64 64
Rotational Speed (RPM) 7200 7200
Interface transfer rate (MB/sec, max) 600 600
Sustained transfer rate (MB/sec, typ.) 177 177
Seek Time (read, ms, typical) 8.5 8.5
Reliability
Error Rate (non-recoverable, bits read) 1 in 10^15 1 in 10^15
MTBF (M hours) 2.0 2.0
Load/Unload Cycles 600,000 600,000
Availability (hrs/day x days/wk) 24×7 24×7
Reliability – Warranty (yrs) 5 5
Acoustics
Idle (Bels) 2.0 2.0
Power
Requirement +5 VDC (+/-5%), +12VDC (+/-5%) +5 VDC (+/-5%), +12VDC (+/-5%)
Startup current (A, max) 1.2 (+5V), 2.0 (+12V) 1.2 (+5V), 2.0 (+12V)
Read/Write (W, avg) 7.3 8.8
Active Idle (W, avg) 5.3 5.7
Unload Idle (W) 3.7 4.1
Physical size
Z-Height (mm) 26.1 26.1
Dimensions (width x depth, mm) 101.6(+/-0.25)x147 101.6(+/-0.25)x147
Weight (g, max) 640 640
Environmental (operating)
Ambient temperature 5º to 60º C 5º to 60º C
Shock (half-sine wave) 70 70
Vibration (5 to 500 Hz) 0.67 (XYZ) 0.67 (XYZ)
Environmental (non-operating)
Ambient temperature -40º to 70º C -40º to 70º C
Shock (half-sine wave) 300 300
Vibration (5 to 500 Hz) 1.04 (XYZ) 1.04 (XYZ)