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726837-001 |
Description: | HP 320GB 9.5MM SATA300 7.2K HDD |
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726837-001 Overview
726837-001 is a high-performance HDD engineered for demanding desktop, server, NAS, surveillance, and enterprise storage environments. This drive features a 3.5-inch form factor with a SATA III interface, 7200 RPM spindle speed, and a robust 4 TB storage capacity, ensuring reliable and efficient data handling in professional data centers and high-capacity desktops.
Optimized for continuous operation, 726837-001 is built with a 128 MB cache and is rated for an annual workload of 180 TB/yr. It is designed with advanced features such as dual actuator support and effective vibration protection, while its low power consumption in read/write (8.0 Watts) and idle modes (6.0 Watts) ensures energy efficiency without compromising performance.
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726837-001 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 | 4 TB |
Spindle Speed (RPM) | 7200 RPM |
Cache (Buffer Size) | 128 MB |
Average Latency | N/A |
Data Transfer Rate | Up to 210 MB/s |
Annual Workload Rating | 180 TB/yr |
Power Consumption (Read/Write) | 8.0 Watts |
Power Consumption (Idle) | 6.0 Watts |
Encryption Support | No |
Helium Sealed | No |
Drive Bays Supported | Multi-bay |
Vibration Protection | Yes |
Advanced Features | Dual Actuator |
Operating Temperature | 5–60°C |
Product Name | 726837-001 |
Height | 1.03 inches |
Width | 4.00 inches |
Depth | 5.79 inches |
Weight | 2.1 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
Annual Workload Rating | 550 TB/yr | 180 TB/yr | 180 TB/yr | 300 TB/yr | 300 TB/yr |
Average Latency | N/A | N/A | N/A | N/A | N/A |
Cache (Buffer Size) | 128 MB | 128 MB | 256 MB | 256 MB | 256 MB |
Data Transfer Rate | Up to 210 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
Depth | 4.0 inches | 5.79 inches | 5.8 inches | 8.0 inches | 4.01 inches |
Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
Drive Type | HDD | HDD | HDD | HDD | HDD |
Encryption Support | AES 256-bit | No | AES 256-bit | AES 256-bit | AES 256-bit |
Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.0 inches | 1.03 inches |
Helium Sealed | Helium-Sealed | No | Helium-Sealed | Helium-Sealed | Helium-Sealed |
Interface | SATA III / SAS 12Gb/s | SATA III | SATA III | SATA III | SATA III |
Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
Power Consumption (Idle) | 5.0 Watts | 6.0 Watts | 4 Watts | 5.8 Watts | 5 Watts |
Power Consumption (Read/Write) | 8.0 Watts | 8.0 Watts | 6 Watts | 6.9 Watts | 8.5 Watts |
Product Name | 581311-001 Enterprise Performance HDD | 726837-001 | 400-ARWN | SSDSC2KB019T801 | T9H99AA High Performance HDD |
Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
Storage Capacity | 4 TB | 4 TB | 4 TB | 8 TB | 8 TB |
Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | NAS | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
Vibration Protection | Yes | Yes | Yes | Yes | Yes |
Weight | 3.5 lbs | 2.1 lbs | 1.5 lbs | 2.3 lbs | 2.3 lbs |
Width | 5.79 inches | 4.00 inches | 4.0 inches | 5.8 inches | 5.78 inches |
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