HGST MegaScale DC 4000.B 0F22146 4TB 5400RPM 3.5inch SATA-6Gbps HDD

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HGST MegaScale DC 4000.B 0F22146 4TB 5400RPM 3.5inch Large Form Factor SATA-6Gbps 64MB Buffer Enterprise Performance Internal Hard Drive

The HGST MegaScale DC 4000.B 0F22146 internal hard drive has a 3.5inch form factor and a 6Gbps external data transfer rate. It has a spindle speed of up to 5400RPM and a 4TB capacity. This Small Form Factor hard drive uses a SATA-6Gbps (Serial Advanced Technology Attachment) interface and has 1 Year Warranty from us.


Brand: HGST
Model: 0F22146
MPN: 0F22146
Alternative Part Number: HMS5C4040BLE640


Device Type: Internal Hard Drive
Capacity: 4 TB
Form Factor: 3.5 inch LFF
Interface: SATA-6Gbps
Buffer: 64 MB
Bytes per Sector: 512
Features: Load/unload technology, Rotational Vibration Safeguard (RVS), CoolSpin technology, Thermal Flyheight Control (TFC), Advanced Format technology, SMART Command Transport (SCT), Dual Stage Actuator (DSA) , S.M.A.R.T.

Dimensions & Weight

Width: 0.4 in
Depth: 5.8 in
Height: 1 in
Weight: 24.3 oz


Drive Transfer Rate: 600 MBps (external)
Internal Data Rate: 140 MBps
Spindle Speed: 5400 RPM


MTBF: 800,000 hours
Non-Recoverable Errors: 1 per 10^14
Start / Stop Cycles: 300,000

Expansion & Connectivity

Interfaces: 1 x SATA 6 Gb/s - 7 pin Serial ATA
Compatible Bay: 3.5" x 1/3H


Power Consumption: 6.2 Watt ( read ) 6.2 Watt ( write ) 4.9 Watt ( idle )

Environmental Parameters

Min Operating Temperature: 41 °F
Max Operating Temperature: 140 °F
Shock Tolerance: 70 g @ 2ms half-sine pulse
Vibration Tolerance: 0.67 g @ 5-500 Hz (operating)

Product features

Innovation to support low-workload applications
The HGST MegaScale DC 4000.B is designed to meet the needs of the scale-out data center where low-power, high-capacity, cost-effective storage is essential. MegaScale DC addresses low application workloads that operate within 180 TB per year. Typical low-workload applications include multi-drive replicated environments, disk-to-disk backup and restore snapshots, online archives, big data stores and long-term data retention that benefit from low cost or energy usage.

Understanding workload is key
HGST offers a comprehensive product portfolio to address the different workloads within the data center so the customers can maximize their return. When selecting hard disk drives, it's important to consider the application workload. Workload is defined as the amount of work stress the HDD can endure during normal operating conditions. To achieve high storage density, components within the hard drive chassis move with precision. This complex engineering requires that HDDs have an optimized design rated for a specific usage time and workload range. The products have the highest reliability ratings for the rated workloads. To ensure optimal efficiency, it's critical that data center managers make informed decisions when selecting the right storage design with the right specifications for the right application workload.

Minimizing power consumption
MegaScale DC drives leverage Advanced Power Management technology which offers five levels of granularity to help manage power consumption including: normal idle; unload idle; low RPM idle; standby; and sleep. The standby and sleep modes consume less than 1 watt, enabling archival applications to remain online and ready to respond, yet at eco-friendly power levels.

HGST Enterprise Performance Hard Drives offer the highest level of performance and reliability for your most demanding application workloads. Enterprise drives help you improve server response times, power more transactions per second and accelerate data transfer (I/O) speeds. Drives are backed by over 3.35 million hours of the industry's most rigorous testing and qualification program ensuring customer's reliable and rugged drives.

Contact us if you have any question about this product to verify this model’s compatibility with your current server or storage array.

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Warranty Information

1 Year Warranty
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