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Drive cage kit allowed easy expansion of LFF storage.
726547-B21
HPE ML350 Gen9 8LFF Hot Plug Drive Cage Kit
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Name:
726547-B21
- Description:
- HPE ML350 Gen9 8LFF Hot Plug Drive Cage Kit
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726547-B21 Overview
726547-B21 is a high-performance HDD engineered as a 3.5-inch drive featuring a reliable SATA III interface and a robust 7200 RPM spindle speed. It delivers a massive 10 TB storage capacity paired with a 256 MB cache, and is designed to withstand intensive workloads with an annual rating of 550 TB/yr. This enterprise-class hard drive boasts advanced features such as helium-sealed construction, built-in vibration protection, and dual actuator technology, making it ideal for environments that demand both durability and performance.
726547-B21 is optimized for critical applications found in data centers, enterprise servers, high-end NAS systems, and surveillance setups. With a rated MTBF in the millions of hours and efficient power consumption during both active read/write operations and idle periods, this HDD is purpose-built for heavy-duty usage in desktop, server, NAS, and surveillance scenarios, ensuring consistent reliability and efficiency around the clock.
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726547-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SATA III
- Form Factor
- 3.5-inch
- Storage Capacity
- 10 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)
- 9 Watts
- Power Consumption (Idle)
- 5 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–55°C
- Product Name
- 726547-B21 Enterprise HDD
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 8.26 inches
- Weight
- 1.85 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 726547-B21 |  826690-B21 |  J9F44A |  867974-B21 |  J9F47A | |
|---|---|---|---|---|---|
| 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 / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance |
| 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 | 10 TB | 4 TB | 4 TB | 4 TB | 8 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 | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 180 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 9 Watts | 8 Watts | 8 Watts | 8.5 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5 Watts | 5 Watts | 4 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 | No | 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 | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 726547-B21 Enterprise HDD | 826690-B21 | J9F44A High-Performance Enterprise HDD | 867974-B21 High Performance HDD | J9F47A High Performance HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.02 inches | 1.0 inches |
| Width | 5.79 inches | 5.79 inches | 5.79 inches | 5.79 inches | 5.8 inches |
| Depth | 8.26 inches | 4.00 inches | 4.00 inches | 4.0 inches | 8.1 inches |
| Weight | 1.85 lbs | 1.85 lbs | 1.8 lbs | 2.0 lbs | 1.2 lbs |
Reviews & Ratings
N
Nicolo Bernardi
4
Solid construction and perfect fit.
R
Rachel Green
5
OEM part worked flawlessly.
P
Per Nilsson
3
Good airflow and stability.
H
Hugo Silva
4
Very satisfied with this upgrade.
Questions & Answers
What is the HPE ML350 Gen9 8LFF Hot Plug Drive Cage Kit?
The HPE ML350 Gen9 8LFF Hot Plug Drive Cage Kit (SKU 726547-B21) is an eight-bay large form factor chassis adapter designed to house and hot-swap 3.5" SAS or SATA drives in an ML350 Gen9 tower or rack server.
Which drive types are supported by this drive cage kit?
This HPE ML350 Gen9 8LFF Hot Plug Drive Cage Kit supports both 12 Gb/s SAS and 6 Gb/s SATA 3.5" drives, ensuring compatibility with enterprise HDDs and SSDs.
How many drives can the 8LFF Hot Plug Drive Cage Kit accommodate?
The kit accommodates up to eight large form factor (3.5") hot-plug drives, maximizing storage density in the ML350 Gen9 chassis.
Is the HPE ML350 Gen9 8LFF drive cage backward compatible?
No. The 8LFF Hot Plug Drive Cage Kit is designed specifically for HPE ProLiant ML350 Gen9 servers and is not backward compatible with earlier Gen8 or Gen7 models.