United States$5,000,000+
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James O'Connor
5
Dependable 10K drive for transactional workloads. No failures and performance matches HPE specifications.
872475-B21
300GB SAS 10K SFF SC DS HDD NO DEAL REG PRICING PL-SI
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Name:
872475-B21
- Description:
- 300GB SAS 10K SFF SC DS HDD NO DEAL REG PRICING PL-SI
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Added to cart 28 times recently
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- Brand:
- Hpe
- Condition:
- Warranty:
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- List Price:
$370.00
- Price:
$175.0052.7% off
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872475-B21 Overview
872475-B21 is a high-performance HDD engineered for demanding enterprise and data center applications. It features a robust 3.5-inch form factor, SATA III interface, and a 7200 RPM spindle speed to deliver reliable, consistent performance in heavy-duty environments.
The drive offers an impressive 8 TB storage capacity with a 256 MB cache and a 550 TB/yr annual workload rating, ensuring durability for 24x7 operations. Built with advanced features such as a helium-sealed design, vibration protection, and dual actuator technology, 872475-B21 is ideally suited for use in data centers, desktops, NAS systems, and surveillance applications.
872475-B21 price is $175.00, a 52.7% saving from the Hpe list price of $370.00. 872475-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 872475-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
872475-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
- 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
- 550 TB/yr
- Power Consumption (Read/Write)
- 10 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
- 872475-B21 Enterprise HDD
- Height
- 1.03 inches
- Width
- 4.00 inches
- Depth
- 5.79 inches
- Weight
- 2.20 lbs
872475-B21 Use Case
High-Performance OLTP Database Acceleration for Financial Services
In a global bank’s HPE ProLiant DL380 Gen10 cluster, deploying the 872475-B21 300GB SAS 10K SFF SC DS HDD in RAID-10 arrays cuts random I/O latency by 30%, enabling sub-5 ms transaction response times and sustaining 99.99% availability for mission-critical online banking.
Optimized VDI Storage for Peak-Load Education Environments
An educational institution running VMware Horizon on Dell PowerEdge hosts uses the 872475-B21 300GB SAS 10K SFF SC DS HDD to absorb login-storm I/O bursts. The drive’s 10K RPM performance delivers a 50% faster session launch rate, enhances student productivity and reduces help-desk tickets by 40%.
Enterprise-Grade RAID Arrays for Retail ERP and BI Workloads
A large retail chain deploys the 872475-B21 300GB SAS 10K SFF SC DS HDD in IBM System x servers to power ERP, CRM and BI applications. Its consistent throughput and dual-ported design reduce unplanned downtime by 40%, extend maintenance intervals and lower total cost of ownership.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 872475-B21 |  764904-B21 |  816568-B21 |  H6G43A |  K2P94B | |
|---|---|---|---|---|---|
| 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 |
| 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 | 4 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 | 128 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 | 550 TB/yr | 550 TB/yr | 300 TB/yr | 300 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 10 Watts | 8 Watts | 7.0 Watts | 8.5 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 4 Watts | 4.0 Watts | 5.0 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | No | 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 | 5–55°C |
| Product Name | 872475-B21 Enterprise HDD | 764904-B21 | 816568-B21 | H6G43A High-Performance Enterprise HDD | K2P94B |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.0 | 1.03 inches |
| Width | 4.00 inches | 4.00 inches | 4 inches | 5.8 | 4 inches |
| Depth | 5.79 inches | 5.79 inches | 5.79 inches | 4.0 | 5.8 inches |
| Weight | 2.20 lbs | 1.75 lbs | 2.1 lbs | 1.5 lbs | 2.1 lbs |
Reviews & Ratings
N
Naveed Iqbal
4
Installed in a mirrored setup. Rebuild times were reasonable and system remained responsive.
S
Sophie Laurent
4
Works flawlessly in our HPE rack servers. Good balance of speed and reliability.
M
Mark Feldman
5
Enterprise-grade quality. We use these for critical applications and have had zero issues.
U
Usman Tariq
5
Smooth installation and consistent throughput. Ideal for small to mid-sized business servers.
Questions & Answers
What are the technical specifications of the 872475-B21 300GB SAS 10K SFF HDD?
The 872475-B21 is a 2.5" small form factor enterprise-grade SAS hard drive with 300 GB capacity, 10,000 RPM spindle speed, 6 Gb/s data interface, average latency of 3 ms, and hot-plug support.
Is the 300GB SAS 10K HDD compatible with HP ProLiant servers?
Yes. The 872475-B21 is fully compatible with HP ProLiant Gen8, Gen9, Gen10 and later servers featuring SAS backplanes and Smart Array controllers.
Can I use the 872475-B21 300GB SAS drive as a boot disk?
Yes. When installed on a supported HP Smart Array or SAS controller, it can serve as a high-performance boot volume for operating systems.
What is the sustained data transfer rate for this SAS HDD?
The 872475-B21 delivers up to 205 MB/s of sustained sequential data transfer over its 6 Gb/s SAS interface.
Does this 300GB SAS HDD support hot-swapping?
Yes. It features full hot-plug functionality in SAS backplanes, enabling safe insertion and removal without server downtime.
What form factor and dimensions does the 872475-B21 use?
This drive is a 2.5" small form factor (SFF) unit with a 15 mm z-height, designed for standard HP hot-swap bays.
Does the product include drive carriers or mounting trays?
No. The 872475-B21 is sold as a bare drive; compatible caddies or carriers must be purchased separately.
What warranty coverage comes with the 872475-B21 SAS HDD?
The drive carries a one-year limited OEM warranty from HP, with optional extension plans available.
What is the MTBF rating for this 10K SAS HDD?
The 872475-B21 is rated for 1.2 million hours MTBF under normal operating conditions at 25 °C.
Is this 300GB SAS 10K HDD suitable for RAID configurations?
Yes. It’s certified for use in hardware RAID arrays with HP Smart Array controllers and supports data redundancy.
How much power does the 872475-B21 consume during operation?
The drive consumes approximately 8 W during active read/write operations and around 2 W in idle mode.
Is the 872475-B21 unit new or refurbished?
This SKU ships as a brand-new, factory-sealed OEM HP drive in original packaging.
Can I replace a SATA drive in my server with this SAS HDD?
Only if your server’s backplane and controller support SAS. Note that SAS controllers are backward-compatible with SATA.
How do I install the 872475-B21 into my HP server?
Slide the drive into an empty SAS hot-swap bay, engage the bail handle until it clicks, then verify detection in HP iLO or the Smart Array BIOS.
Are firmware updates available for the 300GB SAS 10K HDD?
Yes. HP provides optional firmware updates through the Support Portal; download and apply them via the HP Service Pack for ProLiant.
What controller support is required for the 872475-B21 HDD?
You need a compatible 6 Gb/s SAS host bus adapter or HP Smart Array RAID controller to leverage full performance and features.