United States$5,000,000+
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Derek Holmes
5
Enterprise SAS drive delivered strong performance.
870761-B21
HPE 900GB SAS 12G Enterprise 15K LFF (3.5in) LPC 3yr Wty Dig...
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Name:
870761-B21
- Description:
- HPE 900GB SAS 12G Enterprise 15K LFF (3.5in) LPC 3yr Wty Digitally Signed
- Rating:
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- Brand:
- Hpe
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- Warranty:
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- List Price:
$1,202.85
- Price:
$360.8670% off
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870761-B21 Overview
870761-B21 is a high-performance HDD engineered with a 3.5-inch form factor and a SATA III interface, spinning at 7200 RPM. It delivers a robust storage capacity of 4 TB along with a 256 MB buffer, making it ideally suited for demanding server and enterprise storage deployments.
Designed for intensive use, this drive is rated for an annual workload of 550 TB/yr and incorporates advanced features including helium-sealed construction, vibration protection, and dual actuator technology. Its efficient power consumption of 8 Watts during read/write operations and 5 Watts at idle, combined with reliable MTBF figures as specified by the vendor, make it a perfect fit for data centers, desktops, NAS, and surveillance systems.
870761-B21 price is $360.86, a 70% saving from the Hpe list price of $1,202.85. 870761-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 870761-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
870761-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Server
- Interface
- SATA III
- 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
- 550 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
- 870761-B21
- Height
- 1.03 inches
- Width
- 4 inches
- Depth
- 5.79 inches
- Weight
- 1.5 lbs
870761-B21 Use Case
High-Transaction Database Acceleration with HPE 870761-B21 900GB SAS 12G Enterprise 15K LFF
A global financial institution deploys HPE 870761-B21 900GB SAS 12G Enterprise 15K LFF (3.5in) LPC 3yr Wty Digitally Signed drives in its ProLiant DL380 Gen10 cluster to support real-time trading databases. By delivering sustained 15K RPM performance and 1.2 M random read IOPS, the solution cuts transaction latency by 30% and boosts throughput by 40%, ensuring sub-millisecond response for high-frequency trades.
Cloud-Scale VMware vSAN Optimization with HPE 870761-B21 Enterprise Drives
A managed service provider integrates HPE 870761-B21 900GB SAS 12G Enterprise 15K LFF (3.5in) LPC 3yr Wty Digitally Signed drives into a VMware vSAN cluster powering multi-tenant SaaS environments. The drives’ 12 Gb/s interface and high reliability enable consistent 800 MB/s per-drive throughput, eliminate storage bottlenecks, and maintain 99.99% uptime, meeting aggressive SLA requirements for mission-critical workloads.
Accelerated Data Warehouse Analytics on HPE Apollo with 870761-B21 Drives
A retail analytics firm upgrades its HPE Apollo 4200 nodes with HPE 870761-B21 900GB SAS 12G Enterprise 15K LFF (3.5in) LPC 3yr Wty Digitally Signed drives to speed ETL and ad-hoc queries on a Teradata data warehouse. The high IOPS density reduces batch processing times by 50%, delivers rapid dashboard refresh rates, and improves decision-making agility by enabling near-real-time reporting.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 870761-B21 |  P07932-B21 |  881781-B21 |  819201-B21 |  P09718-B21 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Server | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SAS 12Gb/s | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 8 TB | 4 TB | 12 TB | 10 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 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 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8.5 Watts | 8 Watts | 9.0 Watts | 8.5 Watts |
| Power Consumption (Idle) | 5 Watts | 5.2 Watts | 5 Watts | 6.0 Watts | 5.5 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 | 5–55°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | 870761-B21 | P07932-B21 Enterprise HDD | Enterprise Capacity HDD 4TB 7200RPM 881781-B21 | Seagate Exos Enterprise 12TB 819201-B21 SAS HDD | P09718-B21 10TB Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4 inches | 4.00 inches | 5.8 inches | 5.79 inches | 5.79 inches |
| Depth | 5.79 inches | 5.79 inches | 4 inches | 4.02 inches | 4.00 inches |
| Weight | 1.5 lbs | 1.8 lbs | 2.1 lbs | 3.3 lbs | 2.2 lbs |
Reviews & Ratings
M
Muneeb Ashraf
5
Consistent IOPS and low latency.
Y
Yuki Nakamura
4
OEM firmware ensured stability.
Z
Zain Abbas
4
Good choice for databases.
R
Rene Fischer
4
High reliability.
Questions & Answers
What is the capacity of the HPE 870761-B21 drive?
The HPE 870761-B21 drive delivers 900 GB of raw enterprise storage capacity.
What rotation speed does the HPE 870761-B21 operate at?
It spins at 15,000 RPM to ensure ultra-low latency and high I/O performance.
Which interface does the HPE 900GB SAS 12G Enterprise drive use?
It uses a 12 Gb/s SAS interface for reliable, high-throughput data transfer.
What form factor is the HPE 870761-B21 hard drive?
This drive is a large form factor (LFF) 3.5-inch enterprise HDD.
Is the HPE 870761-B21 drive hot-swappable?
Yes, it supports hot-swap capability for zero-downtime maintenance.
What does the three-year warranty cover?
HPE’s three-year warranty covers hardware defects, replacement parts, and technical support.
What does “Digitally Signed” mean for this drive?
“Digitally Signed” ensures firmware authenticity and integrity from HPE.
Which server models support the HPE 870761-B21 drive?
It’s certified for HPE ProLiant Gen10 and Gen11 servers with SAS backplanes.
What’s the mean time between failures (MTBF)?
This drive features an MTBF of up to 2.5 million hours for enterprise reliability.
What is LPC in the product description?
LPC stands for Low Profile Cable, indicating a streamlined connector design.
Can the HPE 900GB SAS 12G drive operate in RAID arrays?
Yes, it’s fully compatible with HPE Smart Array controllers for RAID 0, 1, 5, 6, 10 and 50.
How do I install the HPE 870761-B21 drive?
Slide it into an HPE drive bay, latch the carrier, and configure it in the server BIOS or RAID controller.
What power consumption does this drive require?
It consumes approximately 8 W during typical operation and 6 W in idle mode.
Is this drive suitable for 24/7 data center use?
Yes, it’s engineered for continuous enterprise workloads with robust vibration tolerance.
How does the 12 Gb/s SAS interface improve performance?
It doubles throughput over 6 Gb/s drives, reducing I/O bottlenecks in high-traffic environments.
Where can I purchase the HPE 870761-B21 drive?
You can buy it through authorized HPE resellers, the HPE online store, or certified channel partners.