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Western Digital Red Wd40Efax 4Tb
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Western Digital Ultrastar Hc550 0F38462 3 5 Inch 16Tb
Feature Comparison
General features
General features
| Usage Type | Internal | Internal |
|---|---|---|
| Power Consumption | 3.1W in Idle mode and 0.4W in standby mode / 4.8W in read and write mode | 6.5W in active mode / 5.6W in Idle mode and 0.35W in standby mode |
Main features
Main features
| General Grouping | Network equipment | Internal Desktop |
|---|
General specifications
General specifications
| Device Design and Dimensions | 3.5 inch | 3.5 inch |
|---|
Type of storage
Type of storage
| Internal Connection Port |
|---|
Technical features
Technical features
| Capacity | 4 terabyte (tb) | 16 terabyte (tb) |
|---|---|---|
| Cache | ||
| Disk Rotation Speed | 5400 RPM | 7200 RPM |
| External Power Source Required | No | No |
| Operating Voltage and Current | ||
| Operating Temperature Range | 0 To 65 °C (Operating) / -40 To 70 °C (Non-operating) | |
| Average Lifespan | 1,000,000 (MTBF) hour (h) | 2,500,000 hours (MTBF) / 550 Terabytes Written (TBW) per year |
| Data transfer rate | - | 262 MB/s average speed (Sustained) |
| Average latency time | - | 4.16 millisecond (ms) |
| Storage technology (Recording Tech) | - |
Other features
Other features
| Device Noise |
|---|
Capabilities
Capabilities
| RAID Support | True | No |
|---|---|---|
| NCQ Support | No | No |
| S.M.A.R.T Support | No | No |
| Compatible Operating Systems | Windows 7 and later | - |
| Shock and Vibration Sensor | Yes | No |
| Water Resistance | No | No |
| Dust Resistance | No | No |
| Humidity Resistance | No | No |
| Scratch Resistance | No | No |
| Anti-slip | No | No |
| Impact Resistance | No | Yes |
| Vibration Resistance | Yes | Yes |
| Kensington Security Slot | No | No |
| Certifications and Approvals | - | |
| Additional Features | - | Equipped with 3-stage Actuator / Usable in datacenters |
| Shock Tolerance | - | |
| Vibration tolerance range | - | 0.67G in active mode and 1.04G in inactive mode |
Aesthetic features
Aesthetic features
| Size and Dimensions | 26.1 * 101.6 * 147 millimeter (mm) | 26.1 * 101.6 * 147 millimeter (mm) |
|---|---|---|
| Product Weight | 570 gram (g) | 690 gram (g) |
Additional features and options
Additional features and options
| LED Status Indicator | No | No |
|---|
Buttons or control keys
Buttons or control keys
| Power Key Support | No | No |
|---|
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User Rating Comparison
Western Digital Red Wd40Efax 4Tb
0
/10
from total 1 Vote
Western Digital Ultrastar Hc550 0F38462 3 5 Inch 16Tb
0
/10
from total 1 Vote
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