Ultrastar DC SN620 - SSD HGST - Free user manual and instructions
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| Product Type | SSD (Solid State Drive) |
| Brand | HGST (Western Digital) |
| Model | Ultrastar DC SN620 |
| Form Factor | U.2 (2.5-inch) |
| Interface | PCIe 3.0 x4, NVMe |
| Capacity | Up to 3.84 TB (varies by SKU) |
| NAND Flash Type | 3D TLC NAND |
| Sequential Read Speed | Up to 3100 MB/s |
| Sequential Write Speed | Up to 2000 MB/s |
| Random Read IOPS | Up to 450,000 |
| Random Write IOPS | Up to 140,000 |
| Power Consumption (Active) | 8.5 W typical |
| Power Consumption (Idle) | 2.5 W typical |
| Operating Temperature | 0°C to 70°C |
| Weight | Approx. 115 g |
| Dimensions (W x D x H) | 69.85 mm x 100.2 mm x 7.0 mm |
| Endurance (TBW) | Up to 2.1 PBW (for 3.84 TB model) |
| MTBF | 2.0 million hours |
| Warranty | 5 years limited |
| Security Features | AES 256-bit encryption, TCG Opal 2.0 |
Frequently Asked Questions - Ultrastar DC SN620 HGST
How do I install the HGST Ultrastar DC SN620 SSD?
Install the SSD into a compatible U.2 slot (2.5-inch drive bay) on your motherboard or backplane. Ensure the system is powered off and grounded. Secure the drive with screws and connect the data and power cables. For NVMe support, your system must have an NVMe-capable BIOS.
Is the Ultrastar DC SN620 compatible with my PC?
The drive requires a U.2 interface (SFF-8639) or an M.2 to U.2 adapter if using an M.2 slot. Check your motherboard's specifications for NVMe support. Most modern server and workstation motherboards are compatible.
What is the lifespan of this SSD?
The endurance rating for the 3.84 TB model is up to 2.1 PBW (Petabytes Written). Actual lifespan depends on workload; for typical data center use, it can last 5+ years.
Does it support hardware encryption?
Yes, it supports AES 256-bit encryption and TCG Opal 2.0 for secure data protection. You can enable encryption using compatible management software.
What maintenance is required?
No periodic maintenance is required for the SSD itself. Keep the drive in a clean, dust-free environment with adequate airflow. Firmware updates may be available through HGST's support site.
Can I use this SSD for gaming?
While designed for data centers, the Ultrastar DC SN620 can be used in high-end gaming PCs. Its fast NVMe speeds reduce game load times, but consumer drives may offer better value for gaming.
How do I check the health of the SSD?
Use tools like Western Digital Dashboard or third-party software (e.g., CrystalDiskInfo) to monitor SMART attributes such as temperature, remaining lifespan, and bad sectors.
Does it include any accessories or software?
Typically, the drive is sold as a bare SSD. Some retail kits may include a bracket or screws. Software for management can be downloaded from the Western Digital support website.
What is TBW and how does it relate to warranty?
TBW (Terabytes Written) is the total amount of data that can be written to the drive over its lifespan. The warranty is limited to 5 years or until the TBW limit is reached, whichever comes first.
Can I repair the SSD if it fails?
The Ultrastar DC SN620 is not user-serviceable. Attempting to open or repair it voids the warranty. In case of failure, replace the drive and contact Western Digital support for warranty service.
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