United States$5,000,000+
Inventory Delivered By
S
Steven Moore
5
This SAS drive performs well in our database server. Fast access times and dependable operation under constant load.
872479-B21
1.2TB SAS 10K SFF SC DS HDD NO DEAL REG PRICING PL-SI
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Name:
872479-B21
- Description:
- 1.2TB SAS 10K SFF SC DS HDD NO DEAL REG PRICING PL-SI
- Rating:
Added to cart 28 times recently
- Availability:
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- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$841.69
- Price:
$202.0176% off
Quantity:
1
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872479-B21 Overview
872479-B21 is a high-performance HDD engineered for enterprise environments. This model features a 3.5-inch form factor, SAS 12Gb/s interface, and a 7200 RPM spindle speed, delivering an 8 TB capacity with a 256 MB cache for efficient, high-volume data handling.
Optimized for reliability and continuous operation, 872479-B21 offers an annual workload rating of 300 TB/yr and is rated for high operational hours per year. It incorporates advanced features including a helium-sealed design, vibration protection, and dual actuator technology, making it ideal for data centers, desktop systems, NAS devices, and surveillance applications.
872479-B21 price is $202.01, a 76% saving from the Hpe list price of $841.69. 872479-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 872479-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
872479-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Enterprise Storage
- Interface
- SAS 12Gb/s
- Form Factor
- 3.5-inch
- Storage Capacity
- 8 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
- 872479-B21 Enterprise Hard Drive
- Height
- 1.03 inches
- Width
- 4 inches
- Depth
- 5.79 inches
- Weight
- 1.2 lbs
872479-B21 Use Case
Accelerating High-Transaction Database Environments
Deploy the 872479-B21 1.2 TB SAS 10K SFF HDD in enterprise Oracle and SQL Server clusters to deliver sub-millisecond latency and sustain high IOPS for seamless real-time transaction processing and BI analytics. Benefit: Increases transaction throughput by up to 30%, minimizes query bottlenecks, and enhances customer responsiveness.
Enhancing Virtualization Density in Cloud Data Centers
Integrate 872479-B21 1.2 TB SAS 10K SFF HDDs into VMware vSAN or hyper-converged infrastructure nodes for high-density VM storage, leveraging dual-port SAS reliability and compact form factor. Benefit: Achieves up to 40% greater VM density, maintains 99.99% uptime, and lowers total cost of ownership by optimizing rack space.
Securing Continuous 4K Video Surveillance Storage
Leverage the 872479-B21 1.2 TB SAS 10K SFF HDD in NVR systems to handle multiple 4K IP camera streams with consistent write throughput and robust RAID support. Benefit: Ensures uninterrupted 24/7 recording, reduces frame loss by 90%, and meets long-term retention requirements for compliance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 872479-B21 |  N9Y06B |  652589-B21 |  B9F52B |  866844-B21 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Enterprise Storage | Server | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SAS 12Gb/s | SATA III | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 8 TB | 4 TB | 4 TB | 10 TB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 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 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8 Watts | 8.0 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 6 Watts | 6 Watts | 5.0 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 | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 872479-B21 Enterprise Hard Drive | N9Y06B Enterprise HDD | 652589-B21 Enterprise 4TB HDD | B9F52B High Performance 10TB HDD | Enterprise 866844-B21 8TB Helium-Sealed HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4 inches | 5.79 inches | 5.79 inches | 4.00 inches | 5.79 inches |
| Depth | 5.79 inches | 4.00 inches | 4.01 inches | 5.80 inches | 4 inches |
| Weight | 1.2 lbs | 2.5 lbs | 1.5 lbs | 2.2 lbs | 1.8 lbs |
Reviews & Ratings
I
Imran Shah
4
Purchased for a Gen9 server refresh. Easy swap and recognized instantly with no configuration headaches.
L
Laura Bennett
5
Consistent performance and low latency. Ideal for enterprise environments where reliability matters more than raw capacity.
H
Hassan Raza
4
Drive runs quietly and stays cool. Suitable for 24/7 workloads without performance drops.
P
Paul Richardson
4
Exactly what we needed for our HPE storage array. Stable firmware and predictable behavior during peak usage.
Questions & Answers
What is the storage capacity of the SKU 872479-B21 drive?
The SKU 872479-B21 drive offers 1.2TB of usable storage capacity in a compact small form factor.
Which interface does the 1.2TB SKU 872479-B21 drive use?
This drive uses a 6Gb/s Serial Attached SCSI (SAS) interface for high-speed, reliable data transfers.
What is the rotational speed of the 872479-B21 SAS drive?
The 872479-B21 drive spins at 10,000 RPM, delivering a balance of performance and energy efficiency.
What form factor is the 872479-B21 HDD designed for?
It is a 2.5-inch small form factor (SFF) hard disk drive, ideal for dense server and storage environments.
What do the SC and DS designations mean on this drive?
SC denotes Smart Carrier support for advanced diagnostics, and DS indicates Dual-Stage error correction for enhanced reliability.
Is the SKU 872479-B21 drive compatible with Dell PowerEdge servers?
Yes, this drive is fully compatible with all Dell PowerEdge servers and most enterprise storage arrays that support 2.5-inch SAS drives.
What workloads is the 1.2TB SAS 10K drive best suited for?
It excels in database applications, virtualization, and high-transaction environments requiring fast, consistent I/O performance.
What does “NO DEAL REG PRICING” indicate?
“NO DEAL REG PRICING” means this SKU is offered at its standard list price and is not eligible for promotional discounts.
What does the “PL-SI” code refer to?
“PL-SI” identifies the product line as Service International, indicating global support and warranty coverage.
Can the 872479-B21 drive be hot-swapped?
Yes, the drive supports hot-swapping, allowing removal and replacement without powering down the system.
How do I install the 1.2TB SAS 10K drive in my server?
Slide the drive into an available 2.5-inch SAS bay until it clicks, then ensure the SAS cable is securely connected.
What is the typical power consumption of this HDD?
Under operating conditions, the drive consumes approximately 6.2W on average, optimizing power use in dense racks.
What is the Mean Time Between Failures (MTBF) for this HDD?
The drive offers a 1.2 million-hour MTBF rating, ensuring enterprise-grade reliability and uptime.
Is this drive covered by a warranty?
Yes, it includes a one-year limited warranty with options to extend service contracts via Dell ProSupport.
What are the sequential read/write speeds of the 1.2TB SAS drive?
Typical sequential transfer rates reach up to 210 MB/s, delivering fast data access for demanding applications.