HGST (a Western Digital company)
Western Digital Ultrastar DC SN640 WUS4BB019D7P3E3 1.86 TB Solid State Drive
Best enterprise storage for demanding data center workloads.
The Western Digital Ultrastar DC SN640 is a 1.86 TB NVMe SSD designed for read-intensive workloads. It offers high throughput and low latency, making it suitable for enterprise storage systems and applications requiring fast data access. With a 5-year warranty and 256-bit encryption, it provides a reliable and secure solution for demanding data-intensive environments. This internal drive features a 2.5-inch form factor and a PCI Express NVMe 3.1 x4 interface.
$568.36
Owner Satisfaction
4.6
/ 5
Category Rank
404
/ 4074
#404 in Hard Drives
Price vs Category Average
+8%
Above average
Product Type
Solid State Drive
/ Solid State Drive
Who it's for
- IT professionals managing critical server infrastructure
- System administrators needing reliable storage for continuous operations
- Businesses requiring consistent performance for mission-critical applications
Who should skip it
- Home users or small businesses with limited IT budgets
- Everyday computer users seeking general-purpose storage solutions
- PC builders without server-grade motherboard compatibility
Performance breakdown
Read Throughput
Delivers blistering speeds that easily handle the most demanding enterprise workloads.
Latency Performance
Minimal response times ensure high-transaction applications remain fluid and responsive.
Endurance Rating
Optimized for read-intensive tasks with robust longevity for continuous data access.
Security Standards
Integrated 256-bit encryption provides essential protection for sensitive corporate data.
Form Factor Efficiency
Compact 2.5-inch design fits seamlessly into dense server rack configurations.
Reliability Assurance
Five-year warranty coverage offers peace of mind for critical infrastructure deployments.
Key Specs
Product Type
Solid State Drive
Storage Capacity
1.86 TB
Manufacturer Part Number
0TS1928
Limited Warranty
5 Year
Weight
3.35 oz
Form Factor
2.5 inch
Manufacturer
Western Digital Corporation
Height
0.3 inch
Features
- Accelerate Access to Critical Data
- Maximum Throughput up to 1.2M read IOPS
- Low Latency for High-Transaction Workloads
- Design Flexibility for Data Centers
- Read Intensive Endurance
- 256-bit Encryption Standard
What customers say
Customers consistently praise this enterprise solid state drive for its exceptional reliability and robust performance, making it a dependable choice for demanding data center environments. Users frequently highlight its consistent speed and endurance, noting its ability to handle intensive workloads without faltering. The drive is seen as a solid investment for critical applications where uptime and data integrity are paramount. Its reputation for long term stability resonates strongly with those seeking peace of mind in their storage infrastructure. This drive delivers on its promise of enterprise grade durability and efficiency.
Know before you buy
This drive is specifically engineered for read-intensive enterprise workloads. It excels in environments that require high throughput and low latency, such as data centers or applications that need rapid access to stored information.
Yes, it includes a 256-bit encryption standard. This provides a robust layer of security for your data, making it a reliable choice for sensitive enterprise environments.
The SN640 uses a 2.5-inch form factor with a PCI Express NVMe 3.1 x4 interface. While it fits the physical dimensions of many 2.5-inch drive bays, you should verify that your system supports the NVMe protocol over PCIe before installation.
This drive is designed for speed, offering a maximum throughput of up to 1.2 million read IOPS. Its architecture is optimized to minimize latency, ensuring high-transaction workloads remain responsive.
The Western Digital Ultrastar DC SN640 comes with a 5-year limited warranty. This reflects its design for durability and consistent performance in demanding data-intensive settings.
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