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785069-B21
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HP 900GB 100000 RPM SAS 12GBPS SFF 2.5IN
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
785069-B21
- Description:
- HP 900GB 100000 RPM SAS 12GBPS SFF 2.5IN
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$767.85
- Price:
$337.8656% off
Quantity:
1
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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.
785069-B21 price is $337.86, a 56% saving from the Hpe list price of $767.85. 785069-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 785069-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
785069-B21 Specifications
- Product Type
- Hard Drive
- Brand
- Hpe
- 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.
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Product Comparison Table 
| 785069-B21 |  736939-B21 |  P05928-B21 |  803197-B21 |  Q6M00A | |
|---|---|---|---|---|---|
| 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 / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III / SAS 12Gb/s |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 4 TB | 10 TB | 8 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| 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 |
| Annual Workload Rating | 180 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8.5 Watts | 7.0 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5.0 Watts | 5 Watts | 5.0 Watts | 6 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | No |
| 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | 785069-B21 Enterprise Helium Sealed HDD | 736939-B21 | P05928-B21 | 803197-B21 | Q6M00A Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.0 inches | 1.03 inches |
| Width | 4.00 inches | 5.79 inches | 5.79 inches | 4.0 inches | 5.79 inches |
| Depth | 5.79 inches | 4.00 inches | 4.00 inches | 5.8 inches | 8.26 inches |
| Weight | 1.8 lbs | 1.75 lbs | 1.85 lbs | 1.25 lbs | 1.76 lbs |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
D
Dylan Brooks
4
High-speed drive that improved overall system responsiveness.
A
Ammar Yasin
4
Reliable under heavy load. No firmware issues.
L
Lucia Romano
5
Stable and fast. Ideal for enterprise applications.
S
Shoaib Malik
5
Easy to deploy and performs consistently.
F
Frank Turner
5
Strong performance and reliability for business servers.
Questions & Answers
What is the HP 785069-B21 900GB 100 000 RPM SAS 12 Gbps SFF 2.5-in hard drive?
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.
Which servers and storage arrays are compatible with the HP 785069-B21 900 GB SAS drive?
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.
What performance can I expect from the HP 785069-B21 SAS 12 Gbps drive?
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.
Is the HP 785069-B21 SAS drive hot-pluggable?
Yes. The HP 785069-B21 is hot-pluggable, allowing drive replacement or addition without powering down the server or storage array.
What is the mean time between failures (MTBF) of the HP 785069-B21 drive?
The HP 785069-B21 offers an MTBF of 2 million hours, ensuring high reliability and continuous operation in mission-critical environments.
What workload rating does the HP 785069-B21 support?
This 900 GB SAS drive supports a 550 TB/year workload rating, making it ideal for 24×7 database, virtualization, and transaction-processing applications.
What are the physical dimensions of the HP 785069-B21 2.5-inch SAS drive?
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.
Does the HP 785069-B21 support dual-port SAS?
Yes. The HP 785069-B21 features dual-port SAS 12 Gbps connectivity for redundant paths and enhanced availability.
What temperature range can the HP 785069-B21 operate in?
The drive operates reliably between 5 °C and 55 °C and can be stored between –40 °C and 70 °C.
Can I mix the HP 785069-B21 with other drive speeds in the same array?
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.
How do I install the HP 785069-B21 SAS 2.5-inch drive?
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.
What warranty coverage does the HP 785069-B21 include?
HP provides a standard three-year limited warranty on the 785069-B21 drive, covering defects in materials and workmanship.
Is the HP 785069-B21 suitable for RAID configurations?
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.
How does the HP 785069-B21 compare to SSD drives?
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.
What monitoring features are available for the HP 785069-B21 drive?
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.