
Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
HP 691856-S21 400GB SATA 6Gb/s 3.5-inch LFF Solid State Drive
- Capacity: 400GB
- Form Factor: 3.5-inch Large Form Factor (LFF)
- Interface: SATA 6Gb/s (SATA III)
- Drive Type: Solid State Drive (SSD)
- Designed for enterprise servers and storage systems.
- Offers significantly faster read/write speeds compared to HDDs.
- Provides enhanced reliability and durability.
691856-S21 isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Capacity
- 400GB
- Form Factor
- 3.5-inch LFF
- Interface
- SATA 6Gb/s
- Drive Type
- Solid State Drive (SSD)
- Rotational Speed
- N/A (SSD)
- Cache
- Varies by model/firmware
Product details
The HP 691856-S21 is a 400GB 3.5-inch LFF Solid State Drive (SSD). It utilizes a SATA 6Gb/s interface for high-speed data access.
Technical Information
| Capacity | 400GB |
| Form Factor | 3.5-inch LFF |
| Interface | SATA 6Gb/s |
| Drive Type | Solid State Drive (SSD) |
Additional Specifications
| Rotational Speed | N/A (SSD) |
| Cache | Varies by model/firmware |
| Brand | HP |
| Part Number | 691856-S21 |
Description
The HP 691856-S21 is an enterprise-grade Solid State Drive (SSD) offering a substantial 400GB of storage capacity. Designed for demanding server and storage environments, this drive utilizes the SATA 6Gb/s interface, also known as SATA III, to deliver high-speed data transfer rates. This significantly boosts performance for applications requiring rapid access to data, such as databases, virtualization, and high-performance computing workloads, compared to traditional Hard Disk Drives (HDDs). This SSD features a 3.5-inch Large Form Factor (LFF), making it compatible with standard drive bays found in many enterprise servers and storage arrays. As a solid-state drive, it contains no moving parts, which translates to enhanced reliability, lower power consumption, and quieter operation. The inherent durability of SSD technology also makes it more resistant to physical shock and vibration, crucial for maintaining data integrity in dynamic environments. With its combination of large capacity, high-speed SATA 6Gb/s interface, and enterprise-class reliability, the HP 691856-S21 is an excellent choice for organizations looking to improve application performance, reduce latency, and enhance overall system responsiveness. It is well-suited for mission-critical applications where speed and uptime are paramount, providing a significant upgrade over conventional storage solutions.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for 691856-S21.
