| Capacity: | 4 Tb |
|---|---|
| Type: | Portable Hard Disk |
| Application: | Laptop, Desktop, Server |
| Rotationl Speed: | 5400rpm |
| Installation: | Internal |
| Interface Type: | SAS |
| Customization: |
|---|
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| WD Red™ NAS Storage | |
|---|---|
| Model Number | WD40EFAX |
| Interface | SATA 6Gb/s |
| Formated Capacity | 4TB / 4000GB |
| Form Factor | 3.5-inch |
| Advanced Format (AF) | Yes |
| Native Command Queuing | Yes |
| RoHS compliant | Yes |
| Performance | |
| Data Transfer Rate Max | |
| Interface Speed | 6 Gb/s |
| Internal Transfer Rate | 210 MB/s |
| Cache (MB) | 256 |
| Performance RPM Class | 5400 RPM Class |
| Reliability/Data Integrity | |
| Load/unload cycles | 600,000 |
| Non-recoverable read errors per bits read | <1 in 1014 |
| MTBF (hours) | 1,000,000 |
| Power Management | |
| 12VDC ±10% (A, peak) | 1.85 |
| 5VDC ±10% (A, peak) | |
| Average Power Requirements (W) | |
| Read/Write | 8.8 |
| Idle | 5.3 |
| Standby/Sleep | 0.8 |
| Environmental Specifications | |
| Temperature (°C) | |
| Operating | 0 to 65 |
| Non-operating | -40 to 70 |
| Shock (Gs) | |
| Operating (2 ms, read/write) | 30 |
| Operating (2 ms, read) | 65 |
| Non-operating (2 ms) | 250 |
| Acoustics (dBA) | |
| Idle | 27 |
| Seek (average) | 29 |
| Physical Dimensions | |
| Height (in/mm) | 1.028/26.1 |
| Length (in/mm) | 5.787/147 |
| Width (in/mm, ± .01 in) | 4/101.6 |
| Weight (lb/kg, ± 10%) | 1.58/0.715 |
| Q:Will the product be damaged in the course of transportation? |
| A:Our company can guarantee that all products will be packed in special materials before transportation. |
| Q:How do the goods arrive to international buyer? |
| A:Goods are transported through UPS, EMS, DHL, FEDEX or express delivery company authorized by the buyer. |
| Q:What about the tariff? |
| A:As is known to all, customs duties should be borne by international buyers. |
| Q: What is your leading time? |
| A: With ready stock leading time is 1-2weeks, if need change warranty card or user manual, the leading time will be changed. |
| Q: Do you accept OEM/ODM? |
| A: We accept OEM, as well as a professional team for customer ODM services. |
| Q: What payment methods do you accept? |
| A5:Standard terms: T/T in advance. Large amount: (20% deposit +80% balance before shipping) . Small amount like sample fees: Western Union. |
| Our Services |
| our corporation promises to offer more competitive prices than our global counterparts and 24 hours of service. |
| Our company guarantee productions can be replaced within 90 days except for improper operation and damage caused by misapplication. |
| Our company is committed to providing stable, cheap, high-quality used Cisco switches for global clients as well as the business philosophy of our company is customer-oriented. |
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