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Seagate HDD ST4000NM0025 4TB SAS 12Gb/s Enterprise 7200RPM 128MB 3.5 inch 512n Bare
Capacity-Optimized Enterprise Hard Drive for Bulk-Data Applications
o 1TB to 8TB1, 3.5-inch enterprise drive with industry-leading conventional magnetic recording (CMR) technology
o Advanced Write Caching feature enables up to 100% performance improvement in random writes over last-generation drive
o 12Gb/s SAS and SATA 6Gb/s interfaces in industry-standard formats (512n, 512e and 4Kn) for easy integration into replicated and RAID multi-drive storage servers and systems
o State-of-the-art cache, on-the-fly error-correction algorithms, super parity and end-to end SAS-based data integrity for accurate data storage
o Industry-leading rotational vibration design helps ensure consistent performance in dense multi-drive systems
o Engineered for 24x7 workloads of 550TB/yr
o Robust performance with dual processors, ramp load technology, top-cover-attached motor and humidity sensor for optimum performance in all chassis
o On-demand PowerBalance(TM) feature available for lower power/performance in random read/write environments
o Seagate Secure(R) Self-Encrypting Drive featuring Instant Secure Erase for cost-saving drive retirement and secure data-at-rest protection
o Seagate SeaTools(TM) diagnostic software to provide drive self-tests ensuring no unnecessary downtime and maximizing TCO
Best-Fit Applications
o Hyperscale applications/cloud data centers with replicated storage
o Massive scale-out data centers and big data analytics
o High-capacity density RAID storage
o Mainstream enterprise external storage (SAN, NAS, DAS)
o Distributed file systems, including Hadoop and Ceph
o Enterprise backup and restore--D2D, virtual tape
Capacity
4TB
Special Features
Protection Information (T10 DIF): Yes
Humidity Sensor: Yes
SuperParity: Yes
Halogen Free: Yes
PowerChoiceTMTechnology: Yes
PowerBalanceTM Technology: No
Cache: 128MB
Advanced Write Caching (Internal NOR flash): No
Reliability/Data Integrity
Vibration, Nonoperating: 10Hz to 500Hz (Grms): 5
MTBF: 2,000,000hr
Reliability Rating at Full 247 Operation (AFR) : 0.44%
Nonrecoverable Read Errors per Bits Read, Max: 1 sector per 10E15
Power-On Hours: 8760
Bytes per Sector: 512
Performance
Spin Speed: 7200RPM
Interface Access Speed (Gb/s): 12.0, 6.0, 3.0
Max Sustainable Transfer Rate: 215MB/s
Average Latency (ms): 4.16
Interface Ports: Dual
Rotational Vibration at 1500Hz (rad/s2): 12.5
Power Consumption
Idle Average (W): 6.52W
Average Operating Power: 7.74W
Power Supply Requirements: +12 V and +5 V
Environmental/Temperature
Temperature, Operating: 5oC to 60oC
Shock, Operating, 2ms: 70/40Gs
Shock, Nonoperating, 1ms/2ms (Gs): 250/150Gs
Item Dimension (L inchxW inchxH inch)
6 x 5 x 2
Weight
1.50lb
Warranty Information
5 Years
o 1TB to 8TB1, 3.5-inch enterprise drive with industry-leading conventional magnetic recording (CMR) technology
o Advanced Write Caching feature enables up to 100% performance improvement in random writes over last-generation drive
o 12Gb/s SAS and SATA 6Gb/s interfaces in industry-standard formats (512n, 512e and 4Kn) for easy integration into replicated and RAID multi-drive storage servers and systems
o State-of-the-art cache, on-the-fly error-correction algorithms, super parity and end-to end SAS-based data integrity for accurate data storage
o Industry-leading rotational vibration design helps ensure consistent performance in dense multi-drive systems
o Engineered for 24x7 workloads of 550TB/yr
o Robust performance with dual processors, ramp load technology, top-cover-attached motor and humidity sensor for optimum performance in all chassis
o On-demand PowerBalance(TM) feature available for lower power/performance in random read/write environments
o Seagate Secure(R) Self-Encrypting Drive featuring Instant Secure Erase for cost-saving drive retirement and secure data-at-rest protection
o Seagate SeaTools(TM) diagnostic software to provide drive self-tests ensuring no unnecessary downtime and maximizing TCO
Best-Fit Applications
o Hyperscale applications/cloud data centers with replicated storage
o Massive scale-out data centers and big data analytics
o High-capacity density RAID storage
o Mainstream enterprise external storage (SAN, NAS, DAS)
o Distributed file systems, including Hadoop and Ceph
o Enterprise backup and restore--D2D, virtual tape
Capacity
4TB
Special Features
Protection Information (T10 DIF): Yes
Humidity Sensor: Yes
SuperParity: Yes
Halogen Free: Yes
PowerChoiceTMTechnology: Yes
PowerBalanceTM Technology: No
Cache: 128MB
Advanced Write Caching (Internal NOR flash): No
Reliability/Data Integrity
Vibration, Nonoperating: 10Hz to 500Hz (Grms): 5
MTBF: 2,000,000hr
Reliability Rating at Full 247 Operation (AFR) : 0.44%
Nonrecoverable Read Errors per Bits Read, Max: 1 sector per 10E15
Power-On Hours: 8760
Bytes per Sector: 512
Performance
Spin Speed: 7200RPM
Interface Access Speed (Gb/s): 12.0, 6.0, 3.0
Max Sustainable Transfer Rate: 215MB/s
Average Latency (ms): 4.16
Interface Ports: Dual
Rotational Vibration at 1500Hz (rad/s2): 12.5
Power Consumption
Idle Average (W): 6.52W
Average Operating Power: 7.74W
Power Supply Requirements: +12 V and +5 V
Environmental/Temperature
Temperature, Operating: 5oC to 60oC
Shock, Operating, 2ms: 70/40Gs
Shock, Nonoperating, 1ms/2ms (Gs): 250/150Gs
Item Dimension (L inchxW inchxH inch)
6 x 5 x 2
Weight
1.50lb
Warranty Information
5 Years
Shipping
Orders below $100: $10 flat rate
Orders above $100: FREE
Currently we only ship within the US.
Returns
You have 14 calendar days to return an item from the date you received it.
To be eligible for a return, your item must be unopened in the same condition that you received it.
Your item must be in the original packaging.
Your item needs to have the receipt or proof of purchase.
Refunds
Once we receive your item, we will inspect it and notify you that we have received your returned
item. We will immediately notify you on the status of your refund after inspecting the item.
If your return is approved, we will initiate a refund to your credit card (or original method of payment).
You will receive the credit within a certain amount of days, depending on your card issuer's policies.
Shipping
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are nonrefundable.
If you receive a refund, the cost of return shipping will be deducted from your refund.
Contact Us
If you have any questions on how to return your item to us, contact us.
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