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SAS SATA kit expanded storage flexibility.
724864-B21
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HPE DL380 Gen9 2SFF Front/Rear SAS/SATA Kit
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724864-B21
- Description:
- HPE DL380 Gen9 2SFF Front/Rear SAS/SATA Kit
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724864-B21 Overview
724864-B21 is a high-performance HDD engineered for enterprise storage environments, featuring a 3.5-inch form factor and a SATA III interface. With a spindle speed of 7200 RPM and a robust storage capacity of 4 TB complemented by a 256 MB cache, this drive is optimized for demanding workloads, offering an annual workload rating of 550 TB/yr and rated reliability of continuous operation typical of enterprise-class systems.
Designed for use in data centers, desktops, NAS, and surveillance applications, 724864-B21 incorporates advanced features such as helium sealing, vibration protection, and dual actuator technology to ensure enhanced performance and durability. With power consumption of 8.0 Watts during read/write operations and 5.0 Watts in idle mode, along with comprehensive encryption support (AES 256-bit), this drive meets the rigorous demands of modern, mission-critical environments.
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724864-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Enterprise Storage
- 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 250 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 8.0 Watts
- Power Consumption (Idle)
- 5.0 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- 724864-B21 Enterprise Helium-Sealed 4TB HDD
- Height
- 1 inch
- Width
- 5.79 inch
- Depth
- 4 inch
- Weight
- 1.8 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 724864-B21 |  J9F46A |  K2Q82A |  P9M82A |  M0S90A | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / 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 | 10 TB | 4 TB | 10 TB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 64 MB | 256 MB | 256 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 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 | 550 TB/yr | 300 TB/yr | 180 TB/yr | 300 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8.0 Watts | 8 Watts | 8.5 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5.0 Watts | 4 Watts | 5.0 Watts | 5 Watts | 5 Watts |
| Encryption Support | AES 256-bit | 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 | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 724864-B21 Enterprise Helium-Sealed 4TB HDD | J9F46A Enterprise HDD 10TB | K2Q82A 4TB Enterprise HDD | P9M82A Enterprise Helium-Sealed HDD | M0S90A 8TB Enterprise HDD |
| Height | 1 inch | 1.03 inches | 1.03 inches | 1.04 inches | 1.04 inches |
| Width | 5.79 inch | 5.79 inches | 5.79 inches | 4 inches | 5.79 inches |
| Depth | 4 inch | 4.00 inches | 4.00 inches | 6.95 inches | 4.00 inches |
| Weight | 1.8 lbs | 1.56 lbs | 1.5 lbs | 1.4 lbs | 1.8 lbs |
Reviews & Ratings
F
Fabio Rizzi
4
Cables fit cleanly and securely.
C
Claire Thompson
5
Simple installation with good results.
J
Juha Maki
5
OEM quality accessory.
R
Ruben Diaz
5
Reliable storage expansion kit.
Questions & Answers
What is the HPE DL380 Gen9 2SFF Front/Rear SAS/SATA Kit (SKU 724864-B21)?
The HPE DL380 Gen9 2SFF Front/Rear SAS/SATA Kit (SKU 724864-B21) is a drive bay conversion kit that adds two 2.5-inch SFF SAS/SATA drive bays to the front and rear of an HPE ProLiant DL380 Gen9 server.
Which servers are compatible with SKU 724864-B21?
This kit is compatible with all HPE ProLiant DL380 Gen9 rack-mount and tower chassis models.
How many 2.5-inch SFF drive bays does this kit support?
The kit supports two 2.5-inch small form factor drive bays—one at the front and one at the rear of the server.
Does the kit support both SAS and SATA drives?
Yes, it supports both 12Gb/s SAS and 6Gb/s SATA HDDs and SSDs for flexible storage configurations.
What data transfer speeds are supported?
It delivers up to 12Gb/s throughput for SAS drives and up to 6Gb/s for SATA drives.
What components are included in the SKU 724864-B21 kit?
The kit includes two 2.5″ SFF drive carriers, front and rear backplane modules, drive caddies, mounting brackets, screws, and connectors.
Does the kit include a backplane?
Yes, the kit provides fully integrated front and rear SAS/SATA backplane modules for direct drive connectivity.
Is additional cabling required for installation?
No, all necessary drive-to-backplane cables and connectors are included in the kit.
Are the 2.5-inch drive bays hot-pluggable?
Yes, both front and rear bays support hot-swap functionality for drive replacement without server downtime.
Does the kit support drive status LEDs?
Yes, each SFF carrier includes integrated activity and status LEDs for quick drive health monitoring.
Can I mix SAS and SATA drives in the same server?
Yes, you can install both SAS and SATA HDDs/SSDs in the 2SFF bays, subject to your RAID controller’s compatibility.
What form factor drives are compatible with this kit?
The kit is designed for 2.5-inch small form factor (SFF) HDDs and SSDs with SAS or SATA interfaces.
How do I install the 2SFF Front/Rear SAS/SATA Kit?
Remove the server bezel, mount the backplane modules, insert the drive carriers, and secure with the supplied screws; refer to the HPE ProLiant DL380 Gen9 Maintenance and Service Guide.
Is any firmware or software update required?
Ensure your HPE Smart Array controller firmware is updated to the latest version—available on the HPE Support Center—for full compatibility.
What warranty covers the HPE DL380 Gen9 2SFF kit?
This kit is backed by HPE’s standard one-year limited warranty, with optional extended coverage through HPE Care Pack services.
Where can I find the installation and user guide for SKU 724864-B21?
The detailed installation and user guide is available on the HPE Support Center website under the HPE ProLiant DL380 Gen9 documentation section.
What are the key benefits of using the 2SFF Front/Rear kit?
It optimizes storage density, enhances airflow, supports high-performance SAS/SATA drives, and simplifies hot-swappable drive management.