Brand: HGST (Hitachi Global Storage Technologies) · SKU: HUS724040ALS640 · MPN: HUS724040ALS640 · Category: Storage
The HGST HUS724040ALS640 (Part Number: 0B26885) is a 4TB enterprise-class internal hard drive from the Ultrastar 7K4000 series. It features a 7200 RPM spindle speed, 64MB cache, and a SAS 6.0 Gb/s interface. Designed for 24/7 operation in servers, SAN, NAS, and rack storage systems, it utilizes a 3.5-inch form factor and includes enterprise features like Dual Stage Actuator (DSA) and Rotational Vibration Safeguard (RVS). It supports 512n sector format and is part of the sixth-generation HGST 5-platter design, engineered for high capacity and low power consumption.
| Cache | 64MB |
|---|---|
| Series | Ultrastar 7K4000 |
| Capacity | 4TB |
| Interface | SAS 6.0 Gb/s |
| Form Factor | 3.5-Inch |
| Sector Format | 512n, 512/520/528 |
| Spindle Speed | 7200 RPM |
| MTBF (Targeted) | 2 million hours |
| Seek Time (Read, Typical) | 8.0ms |
| Power Consumption (Read/Write) | 10.9W |
| Sustained Transfer Rate (Typical) | 172 MB/s |
| Warranty | Varies by seller (Some listings mention 1-Year Seller Warranty, while original specs cited 5-year warranty) |
| Weight | 690g (typical) |
| Dimensions | 3.5-Inch Form Factor; Dimensions (HxWxD): 26mm x 101.6mm (+/-0.25) x 147mm |
The HGST Ultrastar 7K4000 HUS724040ALS640 is a 4TB, 7200 RPM, 3.5-inch enterprise hard drive featuring a SAS 6Gb/s interface. It is designed for demanding data center, cloud storage, and backup/archive environments, offering high capacity, low power consumption, and high reliability, evidenced by a 2 million hours MTBF rating.
Yes, this HGST HUS724040ALS640 Ultrastar 7K4000 4TB 7200 RPM SAS 6Gb/s 3.5-Inch Enterprise Hard Drive (HUS724040ALS640) is 100% genuine HGST (Hitachi Global Storage Technologies) hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This HGST HUS724040ALS640 Ultrastar 7K4000 4TB 7200 RPM SAS 6Gb/s 3.5-Inch Enterprise Hard Drive includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the HUS724040ALS640.