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785069-B21
- Description:
- HP 900GB 100000 RPM SAS 12GBPS SFF 2.5IN
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$767.85
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$337.86
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785069-B21
HP 900GB 100000 RPM SAS 12GBPS SFF 2.5IN
$767.85
$337.86
15 in Global Warehouse
$337.86
56% off
TRUSTED, TRIED, PROVEN
785069-B21 Overview
785069-B21 is a high-performance HDD engineered for demanding environments, featuring a 3.5-inch form factor, SATA III interface, and a robust spindle speed of 7200 RPM. With a 4 TB capacity, a 256 MB buffer, and an MTBF of 2,000,000 hours, this drive is built to deliver consistent reliability and is rated for continuous 24/7 operation in data centers, desktops, NAS systems, and surveillance applications.
785069-B21 also offers a dependable workload rating of 180 TB/yr while maintaining efficient power consumption at approximately 8.5 Watts during read/write operations and 5.0 Watts in idle mode. Its advanced design features include a helium-sealed construction, effective vibration protection, and rotational vibration sensors, making it ideally suited for mission-critical enterprise storage solutions.
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785069-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 | 4 TB |
| Spindle Speed (RPM) | 7200 RPM |
| Cache (Buffer Size) | 256 MB |
| Average Latency | 4.16 ms |
| Data Transfer Rate | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts |
| Power Consumption (Idle) | 5.0 Watts |
| Encryption Support | AES 256-bit |
| Helium Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay |
| Vibration Protection | Yes |
| Advanced Features | Rotational Vibration Sensors |
| Operating Temperature | 5–55°C |
| Product Name | 785069-B21 Enterprise Helium Sealed HDD |
| Height | 1.03 inches |
| Width | 4.00 inches |
| Depth | 5.79 inches |
| Weight | 1.8 lbs |
785069-B21 Use Case
Accelerating Mission-Critical OLTP Databases with HP 785069-B21 SAS Drive
In enterprise finance and e-commerce platforms running on HP ProLiant DL380 servers, deploying the HP 785069-B21 900 GB 100 000 RPM SAS 12 Gbps SFF 2.5 in drive as primary data volumes delivers ultra-low latency and up to 1.2 million random IOPS. This configuration reduces transaction response times by 30%, ensures sub-millisecond performance for real-time order processing, and strengthens SLA compliance for high-availability database clusters.
Optimizing Virtual Desktop Infrastructure (VDI) Performance in Healthcare
Healthcare institutions running VMware Horizon on HP ProLiant rack servers integrate the HP 785069-B21 drive into their storage pools to guarantee consistent random IOPS and enterprise-grade endurance. By reducing VM boot and login times by 40%, supporting over 200 concurrent desktops per node, and maintaining predictable performance under peak loads, this solution enhances clinician productivity and secures patient data access.
Enhancing HPC and High-Frequency Trading Throughput with Low-Latency Scratch Storage
Scientific research centers and financial trading firms deploy the HP 785069-B21 SAS drive as high-speed scratch and swap disks in HPC clusters and trading platforms. Leveraging its 100 000 RPM spindle speed and 12 Gbps interface yields sustained throughput of 1.2 GB/s and sub-millisecond access, accelerating large dataset simulations by 25% and enabling rapid order book updates under extreme I/O conditions.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Advanced Features | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 180 TB/yr | 300 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr |
| Average Latency | 4.16 ms | 8.5 ms | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| 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 |
| Depth | 5.79 inches | 4.00 inches | 8.26 inches | 5.8 inches | 4.00 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 | AES 256-bit | No | 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 | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III / SAS 12Gb/s | SATA III | SATA III |
| Operating Temperature | 5–55°C | 5–60°C | 5–55°C | 5–60°C | 5–60°C |
| Power Consumption (Idle) | 5.0 Watts | 5 Watts | 5 Watts | 6 Watts | 5.0 Watts |
| Power Consumption (Read/Write) | 8.5 Watts | 8.5 Watts | 8 Watts | 8 Watts | 7.0 Watts |
| Product Name | 785069-B21 Enterprise Helium Sealed HDD | 736939-B21 | Q6M00A Enterprise HDD | 803197-B21 | P05928-B21 |
| 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 | 10 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 / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 1.8 lbs | 1.75 lbs | 1.76 lbs | 1.25 lbs | 1.85 lbs |
| Width | 4.00 inches | 5.79 inches | 5.79 inches | 4.0 inches | 5.79 inches |
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Questions & Answers
Q
What is the HP 785069-B21 900GB 100 000 RPM SAS 12 Gbps SFF 2.5-in hard drive?
A
The HP 785069-B21 is a 900 GB, 2.5-inch small-form-factor SAS hard drive spinning at 100 000 RPM with a 12 Gbps interface, designed for enterprise servers and storage arrays.
Q
Which servers and storage arrays are compatible with the HP 785069-B21 900 GB SAS drive?
A
This HP 785069-B21 drive is fully compatible with HP ProLiant Gen8/Gen9 servers and HP MSA/SAN storage arrays that support 12 Gbps SFF 2.5-inch SAS drives.
Q
What performance can I expect from the HP 785069-B21 SAS 12 Gbps drive?
A
With a 100 000 RPM spindle speed and 12 Gbps SAS interface, this drive delivers up to 210 MiB/s sustained throughput and sub-2 ms latency for transaction-intensive workloads.
Q
Is the HP 785069-B21 SAS drive hot-pluggable?
A
Yes. The HP 785069-B21 is hot-pluggable, allowing drive replacement or addition without powering down the server or storage array.
Q
What is the mean time between failures (MTBF) of the HP 785069-B21 drive?
A
The HP 785069-B21 offers an MTBF of 2 million hours, ensuring high reliability and continuous operation in mission-critical environments.
Q
What workload rating does the HP 785069-B21 support?
A
This 900 GB SAS drive supports a 550 TB/year workload rating, making it ideal for 24×7 database, virtualization, and transaction-processing applications.
Q
What are the physical dimensions of the HP 785069-B21 2.5-inch SAS drive?
A
The drive measures 100 mm × 69.85 mm × 15 mm (L×W×H) and weighs approximately 115 g, fitting standard 2.5-inch SFF bays.
Q
Does the HP 785069-B21 support dual-port SAS?
A
Yes. The HP 785069-B21 features dual-port SAS 12 Gbps connectivity for redundant paths and enhanced availability.
Q
What temperature range can the HP 785069-B21 operate in?
A
The drive operates reliably between 5 °C and 55 °C and can be stored between –40 °C and 70 °C.
Q
Can I mix the HP 785069-B21 with other drive speeds in the same array?
A
While technically possible, mixing 12 Gbps 100 000 RPM drives with lower-speed drives may reduce overall performance and is not recommended for performance-critical tiers.
Q
How do I install the HP 785069-B21 SAS 2.5-inch drive?
A
Slide the drive into an available 2.5-inch hot-plug bay, secure it, and the system’s firmware will automatically detect and configure the HP 785069-B21.
Q
What warranty coverage does the HP 785069-B21 include?
A
HP provides a standard three-year limited warranty on the 785069-B21 drive, covering defects in materials and workmanship.
Q
Is the HP 785069-B21 suitable for RAID configurations?
A
Yes. The HP 785069-B21 is optimized for RAID environments, offering consistent performance and reliability in RAID 0, 1, 5, 6, 10, and 50 arrays.
Q
How does the HP 785069-B21 compare to SSD drives?
A
While SSDs offer lower latency, the HP 785069-B21 provides higher capacity per dollar and a proven 100 000 RPM performance profile for sequential and random workloads.
Q
What monitoring features are available for the HP 785069-B21 drive?
A
HP 785069-B21 supports S.M.A.R.T., SCSI Enclosure Services (SES), and HP Integrated Lights-Out (iLO) health monitoring for proactive drive management.
