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Installed easily and delivers steady performance. Suitable for business applications requiring fast access.
785067-B21
HP 300GB 10K 12G 2.5INCH SAS HDD
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Name:
785067-B21
- Description:
- HP 300GB 10K 12G 2.5INCH SAS HDD
- Rating:
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- Brand:
- Hpe
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785067-B21 Overview
785067-B21 is an enterprise-grade HDD engineered for critical applications in data centers and servers. This 3.5-inch drive features a SAS 12Gb/s interface, operating at 7200 RPM with a storage capacity of 4 TB and a robust 256 MB cache. It is built to handle an annual workload rating of 300 TB/yr, delivers high reliability with an industry-standard MTBF, and is rated for continuous operation hours required in demanding environments.
785067-B21 is designed for versatile drive usage including desktop, server, NAS, and surveillance applications. Advanced features include a helium-sealed design, integrated vibration protection, and dual actuator technology that support efficient power consumption during both read/write and idle states. This drive is ideally used in data centers, enterprise storage systems, high-performance desktops, and surveillance setups.
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785067-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SAS 12Gb/s
- 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
- 300 TB/yr
- Power Consumption (Read/Write)
- 8 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
- 5–60°C
- Product Name
- 785067-B21 Enterprise HDD
- Height
- 1.03
- Width
- 4.00
- Depth
- 5.79
- Weight
- 1.80
785067-B21 Use Case
Virtualization Hypervisor Boot and OS Drive
In an HPE ProLiant DL380 Gen10 cluster running VMware ESXi, the 785067-B21 HP 300GB 10K 12G 2.5-inch SAS HDD serves as a dedicated hypervisor boot and OS disk. Benefit: delivers consistent 10K RPM performance and sub-2 ms latency for faster host boot times, streamlined patch deployments, and improved infrastructure reliability.
High-Transactional OLTP Database Storage
In a mission-critical Microsoft SQL Server or Oracle RAC environment, the 785067-B21 drive is used for database logs, indexes, and tempdb files. Benefit: provides up to 185 MB/s sequential throughput and 175 K random IOPS to minimize transaction latency, ensure ACID compliance, and boost end-user query response times.
Tiered Caching in Hybrid Converged Infrastructure
Within an HPE 3PAR StoreServ or Synergy environment, the 785067-B21 HDD is configured as a mid-tier cache drive for hot data in a flash-accelerated volume. Benefit: optimizes cost-per-GB by offloading frequent I/O to the 10K SAS layer, accelerates application performance, and extends the endurance of upstream SSD tiers.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 785067-B21 |  P06198-B21 |  756657-B21 |  H6G44A |  872479-B21 | |
|---|---|---|---|---|---|
| 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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage |
| Interface | SAS 12Gb/s | SATA III | SATA III | SATA III | SAS 12Gb/s |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 2.5-inch / 3.5-inch | 3.5-inch |
| Storage Capacity | 4 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 | 128 MB | 128 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 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 180 TB/yr | 180 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8.0 Watts | 7.5 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5.0 Watts | 4.0 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 | 5–55°C | 5–60°C | 5–60°C |
| Product Name | 785067-B21 Enterprise HDD | P06198-B21 Enterprise 4TB HDD | 756657-B21 High Performance Desktop HDD | H6G44A Enterprise Helium HDD | 872479-B21 Enterprise Hard Drive |
| Height | 1.03 | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4.00 | 4.00 inches | 5.79 inches | 5.79 inches | 4 inches |
| Depth | 5.79 | 5.79 inches | 4.00 inches | 4.01 inches | 5.79 inches |
| Weight | 1.80 | 2.1 lbs | 1.50 lbs | 1.3 lbs | 1.2 lbs |
Reviews & Ratings
Z
Zain Ali
5
Good reliability so far. Drive performs as expected under continuous workloads.
E
Emily Watson
5
Using in a file server environment. Performance is consistent and system remains responsive.
S
Saad Mahmood
4
HPE quality shows here. Firmware recognition was instant and setup was quick.
J
Julian Meyer
4
A dependable SAS drive for enterprise use. No errors or performance dips noticed.
Questions & Answers
What is the storage capacity of the HP 785067-B21 HDD?
The HP 785067-B21 HDD offers 300 GB of storage capacity, ideal for database and virtualization workloads.
What interface does the HP 785067-B21 use?
This drive uses a 12 Gb/s SAS (Serial Attached SCSI) interface for high-throughput data transfers.
What is the rotational speed of the HP 785067-B21 HDD?
The HP 785067-B21 spins at 10,000 RPM to deliver consistent performance in demanding environments.
What form factor is the HP 785067-B21 hard drive?
The HP 785067-B21 is a 2.5-inch form factor drive designed for modern server storage bays.
Is the HP 785067-B21 hot-swappable?
Yes, this HDD supports hot-swap capability for easy maintenance without server downtime.
Which HP server models are compatible with the 785067-B21 drive?
The HP 785067-B21 is compatible with ProLiant G8, G9, G10 servers and Gen10+ storage arrays featuring 2.5-inch SAS bays.
What is the mean time between failures (MTBF) for the HP 785067-B21?
The HP 785067-B21 has an MTBF rating of 1.6 million hours, ensuring enterprise-grade reliability.
Does the HP 785067-B21 include data protection features?
Yes, it supports SED (Self-Encrypting Drive) technology and on-board ECC to protect data integrity.
What are the power consumption specifications?
Typical power consumption is 5.2 W active and 3.2 W idle, optimizing energy use in data centers.
What operating temperature range is supported?
The HP 785067-B21 operates reliably between 5 °C and 55 °C (41 °F to 131 °F).
What workload is the HP 785067-B21 best suited for?
This drive is ideal for transactional databases, virtualization clusters, and mixed OLTP/OLAP environments.
What is the average latency of the HP 785067-B21 HDD?
The drive delivers an average latency of 3 ms, ensuring low-latency access in high-performance applications.
Are firmware updates available for the HP 785067-B21?
Yes, you can download firmware updates from the HPE Support Center to maintain optimal drive performance.
What are the physical dimensions and weight?
The drive measures 100.2 mm × 69.85 mm × 15 mm and weighs approximately 120 g.
Does the HP 785067-B21 come with a warranty?
HPE includes a standard one-year limited warranty, which can be extended via HPE Care Pack services.
How do I install the HP 785067-B21 in my server?
Slide the drive into an available SAS bay until it clicks, then configure it in the server BIOS or RAID controller utility.