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Connor Blake
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Rear SAS kit enabled additional storage expansion easily.
768856-B21
HPE DL380 Gen9 3LFF Rear SAS/SATA Kit
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Name:
768856-B21
- Description:
- HPE DL380 Gen9 3LFF Rear SAS/SATA Kit
- Rating:
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- Hpe
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768856-B21 Overview
768856-B21 is a high-performance HDD engineered with a 3.5-inch form factor and a SATA III interface. It spins at 7200 RPM and delivers a robust 4 TB capacity with a 256 MB cache, making it well suited for environments requiring sustained performance and reliability. The drive meets rigorous standards with an annual workload rating of 300 TB/yr and incorporates a proven MTBF designed to support demanding operations.
Designed for a variety of applications, 768856-B21 features advanced engineering such as a helium-sealed design and built-in vibration protection paired with dual actuator technology. Its optimized power consumption and reliability make it ideal for use in data centers, desktops, NAS systems, and surveillance networks where continuous operation and data integrity are paramount.
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768856-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance
- Interface
- SATA III
- Form Factor
- 3.5-inch
- Storage Capacity
- 4 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 256 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 210 MB/s
- Annual Workload Rating
- 300 TB/yr
- Power Consumption (Read/Write)
- N/A
- Power Consumption (Idle)
- N/A
- Encryption Support
- No
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–55°C
- Product Name
- 768856-B21
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 2.2 lbs
768856-B21 Use Case
Virtualization Infrastructure Scaling with HPE DL380 Gen9 Rear SAS/SATA Kit
IT teams deploying VMware or Hyper-V clusters integrate the 768856-B21 rear SAS/SATA kit on HPE DL380 Gen9 servers to add three 3.5
High-Performance Analytics Data Warehouse on HPE DL380 Gen9
Data engineering teams use the 768856-B21 rear SAS/SATA kit to equip HPE DL380 Gen9 servers with up to three 12Gbps SAS SSDs for real-time analytics workloads. The added high-speed drives deliver sequential read speeds above 2 GB/s for large-scale query operations. Benefit: accelerated data processing with low-latency access and simplified capacity scaling.
Scalable IP Video Surveillance Archival Storage
Security integrators deploy the 768856-B21 rear SAS/SATA kit in HPE DL380 Gen9 servers to host nearline SATA drives, supporting up to 48 TB of raw storage per server for 100+ IP cameras. This setup ensures 30-day retention of high-definition footage with sustained write performance. Benefit: reliable, high-capacity archival storage with predictable performance and lower per-GB cost.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 768856-B21 |  J9V68A |  G0M43A |  M0S90A |  724864-B21 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 8 TB | 4 TB | 8 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Average Latency | N/A | 4.17 ms | N/A | N/A | N/A |
| Data Transfer Rate | Up to 210 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 180 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | N/A | 8.5 Watts | 7.2 Watts | 8 Watts | 8.0 Watts |
| Power Consumption (Idle) | N/A | 5.0 Watts | 5.2 Watts | 5 Watts | 5.0 Watts |
| Encryption Support | No | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–55°C | 5–55°C | 5–55°C | 5–60°C | 5–60°C |
| Product Name | 768856-B21 | J9V68A High-Performance Helium-Sealed HDD | G0M43A | M0S90A 8TB Enterprise HDD | 724864-B21 Enterprise Helium-Sealed 4TB HDD |
| Height | 1.03 inches | 1 inch | 1.03 inches | 1.04 inches | 1 inch |
| Width | 5.79 inches | 4 inches | 4.12 inches | 5.79 inches | 5.79 inch |
| Depth | 4.00 inches | 5.8 inches | 5.78 inches | 4.00 inches | 4 inch |
| Weight | 2.2 lbs | 4.2 lbs | 1.2 lbs | 1.8 lbs | 1.8 lbs |
Reviews & Ratings
J
Jeroen Visser
4
OEM kit fit perfectly in DL380 Gen9.
N
Naveed Akhtar
5
Installation was straightforward.
P
Paul Zimmermann
3
Reliable connectivity for LFF drives.
M
Matt Keane
4
Good quality expansion kit.
Questions & Answers
What is the HPE DL380 Gen9 3LFF Rear SAS/SATA Kit (SKU 768856-B21)?
The HPE DL380 Gen9 3LFF Rear SAS/SATA Kit (768856-B21) is a factory-certified accessory that enables installation of three 3.5” SAS or SATA drives in the rear of an HPE ProLiant DL380 Gen9 server.
Which HPE servers are compatible with SKU 768856-B21?
This kit is compatible exclusively with HPE ProLiant DL380 Gen9 servers; it cannot be installed in earlier or later ProLiant generations.
How many drive bays does the 3LFF Rear SAS/SATA Kit support?
It supports up to three 3.5-inch large form factor (LFF) SAS or SATA drives in the rear bay of the DL380 Gen9.
Does the kit support both SAS and SATA drives?
Yes, the kit includes a universal backplane and cabling that fully supports both SAS and SATA 6 Gb/s drives.