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Name:
726837-001
- Description:
- HP 320GB 9.5MM SATA300 7.2K HDD
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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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 |
726837-001 Use Case
Enterprise Server Storage Expansion with 726837-001-HP 320GB 9.5MM SATA300 7.2K HDD
In a corporate data center, IT teams retrofit aging HP ProLiant DL380 servers with the 726837-001-HP 320GB 9.5MM SATA300 7.2K HDD to increase storage density and reliability. The enterprise-grade spindle sustains 24/7 virtualization and SQL database workloads. Outcome: extends server lifecycle by 3+ years, boosts I/O throughput by 20%, and cuts unplanned downtime incidents by 30%.
RAID-Optimized Backup Solution for SMB File Servers
A small-to-medium business configures an HP P2000 SAN with multiple 726837-001-HP 320GB 9.5MM SATA300 7.2K HDDs in RAID 5 to protect critical file shares. The slim 9.5 mm form factor maximizes drive bays in 2U chassis, while the SATA300 interface ensures sustained data writes. Outcome: achieves 99.999% availability, reduces backup windows by 40%, and lowers per-GB storage cost.
Industrial Control System Storage in Manufacturing
A manufacturing plant integrates the 726837-001-HP 320GB 9.5MM SATA300 7.2K HDD into edge SCADA and PLC cabinets for process logging and analytics. The durable 7,200 RPM spindle and enterprise firmware ensure data integrity under vibration and temperature fluctuations. Outcome: delivers <0.5% annual failure rate, guarantees uninterrupted process monitoring, and simplifies maintenance cycles.
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 | 180 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr | 180 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 128 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Depth | 5.79 inches | 5.8 inches | 4.00 inches | 5.8 inches | 4.0 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | No | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 2.5-inch / 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.04 inches | 1.03 inches | 1.0 inches | 0.4 inches |
| Helium Sealed | No | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III | SATA III / SAS 12Gb/s | SATA III |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–55°C | 5–60°C |
| Power Consumption (Idle) | 6.0 Watts | 5 W | 4 Watts | 5 Watts | 5 Watts |
| Power Consumption (Read/Write) | 8.0 Watts | 8 W | 8 Watts | 7.5 Watts | 8 Watts |
| Product Name | 726837-001 | W6C19AA | F3B97AA | M0F34AA High Performance HDD | 1FU87AA#AC3 |
| 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 | 6 TB | 8 TB | 8 TB | 4 TB |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.1 lbs | 2.2 lbs | 2.1 lbs | 1.5 lbs | 1.2 lbs |
| Width | 4.00 inches | 4.0 inches | 5.79 inches | 4.0 inches | 5.8 inches |
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Questions & Answers
Q
What is the HP 320GB 9.5MM SATA300 7.2K HDD (SKU: 726837-001)?
A
The HP 320GB 9.5MM SATA300 7.2K HDD (SKU: 726837-001) is a 2.5-inch internal hard drive offering 320 GB capacity, 9.5 mm thickness, SATA II (3 Gb/s) interface, and 7 200 RPM performance.
Q
What form factor does the HP 320GB 9.5MM SATA300 HDD use?
A
This drive uses a 2.5-inch form factor with a 9.5 mm height, compatible with standard laptop and slim desktop drive bays.
Q
Which interface and transfer speeds does the HP SATA300 HDD support?
A
It supports the SATA II (3.0 Gb/s) interface with up to 300 MB/s theoretical throughput for sequential reads and writes.
Q
What is the rotational speed and performance of this HP HDD?
A
It spins at 7 200 RPM, delivering an average seek time of 12 ms and typical sustained transfer rates up to 100 MB/s.
Q
What is the cache buffer size of the HP 320GB SATA300 drive?
A
This HDD features an 8 MB cache buffer to optimize data access and improve overall read/write efficiency.
Q
What are the power consumption specifications of this HP HDD?
A
Idle power consumption is approximately 0.5 W and average operating power is 1.8 W, ensuring efficient energy use.
Q
What operating temperature range does the HP 320GB SATA300 HDD support?
A
It operates between 5 °C and 55 °C ambient temperature and stores safely from -40 °C to 65 °C.
Q
Is the HP 320GB 9.5MM SATA300 HDD compatible with HP laptops and desktops?
A
Yes, it's fully compatible with HP ProBook, EliteBook, and desktop series that support 2.5-inch SATA II drives.
Q
How do I install the HP 320GB 9.5MM SATA300 HDD?
A
Power off the system, open the drive bay, slide the 2.5-inch HDD into the SATA connector, secure it with screws or a caddy, then power on.
Q
Can I use the HP 320GB SATA300 HDD as an external or backup drive?
A
Yes, by placing it in a compatible USB-to-SATA external enclosure, you can use it as portable or backup storage.
Q
How reliable is the HP 320GB 7.2K SATA300 HDD?
A
With an MTBF of 600 000 hours and HP’s quality testing, this HDD provides robust reliability for business and consumer applications.
Q
What warranty covers the HP 320GB 9.5MM SATA300 HDD (SKU: 726837-001)?
A
HP provides a one-year limited warranty covering defects in materials and workmanship for this SKU.
Q
How do I format and partition the HP 320GB SATA300 HDD?
A
Use your operating system’s disk management tool to initialize as GPT or MBR, create partitions, and format with NTFS, FAT32, or exFAT.
Q
How does the HP 320GB SATA300 HDD differ from an SSD?
A
This HDD offers larger capacity at a lower cost per GB but has slower read/write speeds, higher power use, and mechanical components compared to SSDs.
Q
Does the HP 320GB 9.5MM SATA300 HDD include mounting hardware or caddies?
A
The drive ships without brackets; use existing 2.5-inch drive screws or an HP-compatible caddy for mounting.
Q
Where can I purchase or replace the HP 320GB 9.5MM SATA300 HDD (SKU: 726837-001)?
A
You can buy or replace this HDD through HP’s official online store, authorized HP resellers, or certified hardware partners.
