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724864-B21
HPE DL380 Gen9 2SFF Front/Rear SAS/SATA Kit
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense




Enterprise Clients
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
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.
724864-B21 price for new stock is is available on request. Get immediate quote. 724864-B21 refurb price is $245.60.
Request bulk order quote for 724864-B21 for additional pricing. Browse the full Hpe Server Accessories series or explore all Hpe products.
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| 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 |
| 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 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 18 February 2020
SAS SATA kit expanded storage flexibility.
Reviewed on the 23 May 2019
Cables fit cleanly and securely.
Reviewed on the 31 May 2017
Simple installation with good results.
Reviewed on the 5 September 2026
OEM quality accessory.
Reviewed on the 23 May 2026
Reliable storage expansion kit.
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.
This kit is compatible with all HPE ProLiant DL380 Gen9 rack-mount and tower chassis models.
The kit supports two 2.5-inch small form factor drive bays—one at the front and one at the rear of the server.
Yes, it supports both 12Gb/s SAS and 6Gb/s SATA HDDs and SSDs for flexible storage configurations.
It delivers up to 12Gb/s throughput for SAS drives and up to 6Gb/s for SATA drives.
The kit includes two 2.5″ SFF drive carriers, front and rear backplane modules, drive caddies, mounting brackets, screws, and connectors.
Yes, the kit provides fully integrated front and rear SAS/SATA backplane modules for direct drive connectivity.
No, all necessary drive-to-backplane cables and connectors are included in the kit.
Yes, both front and rear bays support hot-swap functionality for drive replacement without server downtime.
Yes, each SFF carrier includes integrated activity and status LEDs for quick drive health monitoring.
Yes, you can install both SAS and SATA HDDs/SSDs in the 2SFF bays, subject to your RAID controller’s compatibility.
The kit is designed for 2.5-inch small form factor (SFF) HDDs and SSDs with SAS or SATA interfaces.
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.
Ensure your HPE Smart Array controller firmware is updated to the latest version—available on the HPE Support Center—for full compatibility.
This kit is backed by HPE’s standard one-year limited warranty, with optional extended coverage through HPE Care Pack services.
The detailed installation and user guide is available on the HPE Support Center website under the HPE ProLiant DL380 Gen9 documentation section.
It optimizes storage density, enhances airflow, supports high-performance SAS/SATA drives, and simplifies hot-swappable drive management.