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Stable SAS performance for enterprise workloads.
872487-B21
4TB SAS 12G 7.2K LFF SC DS HDD PL=SI
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Name:
872487-B21
- Description:
- 4TB SAS 12G 7.2K LFF SC DS HDD PL=SI
- Rating:
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- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$985.00
- Price:
$290.0070.6% off
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872487-B21 Overview
872487-B21 is a high-performance HDD engineered for enterprise storage environments, featuring a 3.5-inch form factor and a SATA III interface. It spins at 7200 RPM and provides a 4 TB capacity with a robust 256 MB cache, making it ideal for data centers and server applications that demand high reliability, rated for 24/7 operation with a strong MTBF and optimized for heavy workloads up to 550 TB/yr.
Designed for critical applications such as desktops, NAS, and surveillance systems, this drive includes advanced features like helium-sealing, vibration protection, and dual actuator technology, while delivering efficient power consumption of 8 Watts during read/write operations and 4 Watts when idle. Its balanced design and premium reliability make it a trusted choice for businesses requiring dependable, high-speed storage performance.
872487-B21 price is $290.00, a 70.6% saving from the Hpe list price of $985.00. 872487-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 872487-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
872487-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- 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
- 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)
- 4 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
- 872487-B21 Enterprise HDD
- Height
- 1.02 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 3.0 lbs
872487-B21 Use Case
Enterprise VMware ESXi Virtualization Acceleration
In a global enterprise data center running VMware ESXi 7.x, IT architects deploy 872487-B21-4TB SAS 12G 7.2K LFF SC DS HDD PL=SI drives in a RAID-6 storage array to host 150+ high-IOPS virtual machines. By leveraging the 12Gb/s SAS interface and 7,200 RPM spindle speed, this configuration delivers 35% lower latency and 20% higher sustained throughput compared to legacy NL-SAS drives. Outcome: accelerated VM provisioning, consistent performance under peak loads, and 25% reduction in storage-related support tickets.
On-Premises Backup and Archival Consolidation
A mid-sized financial firm consolidates nightly backups and long-term archives using 872487-B21-4TB SAS 12G 7.2K LFF SC DS HDD PL=SI as a tier-2 storage target behind an existing tape vault. The 4 TB capacity per drive and dual-port SAS connectivity allow a backup window compression of 40% and full restore speeds up to 2.4 GB/s. Outcome: streamlined data retention workflows, 30% lower cost per GB vs. public cloud, and guaranteed on-site recovery within minutes.
High-Performance SQL Transactional Database Hosting
A retail chain implements a SQL Server cluster for real-time inventory and POS transactions, using 872487-B21-4TB SAS 12G 7.2K LFF SC DS HDD PL=SI in RAID-10 configuration. The combination of low seek time and high sustained read/write throughput supports 10,000+ TPS (transactions per second) during peak shopping periods. Outcome: sub-millisecond query response, 99.99% uptime SLA compliance, and a 15% increase in customer checkout velocity.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 872487-B21 |  P07928-B21 |  N9Y45A |  878562-B21 |  875492-B21 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance | 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 | 4 TB | 8 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 | 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 210 MB/s | Up to 210 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 Watts | 9 Watts | 8.0 W | 8 Watts |
| Power Consumption (Idle) | 4 Watts | 5 Watts | 5 Watts | 4.0 W | 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 | 872487-B21 Enterprise HDD | P07928-B21 Enterprise HDD | N9Y45A Enterprise Helium HDD | 878562-B21 | 875492-B21 Enterprise 4TB HDD |
| Height | 1.02 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.0 inches |
| Width | 5.79 inches | 5.79 inches | 5.79 inches | 5.81 inches | 5.8 inches |
| Depth | 4.00 inches | 4.00 inches | 4.02 inches | 8.66 inches | 8.5 inches |
| Weight | 3.0 lbs | 1.2 lbs | 1.8 lbs | 2.2 lbs | 2.0 lbs |
Reviews & Ratings
D
Danish Rafiq
5
Good reliability for shared storage.
V
Victor Alvarez
5
Predictable throughput under load.
A
Ahsan Junaid
5
Easy deployment.
S
Soren Madsen
5
Consistent and dependable.
Questions & Answers
What are the key features of the 872487-B21 4TB SAS 12G 7.2K LFF SC DS HDD?
The 872487-B21 is a 4 TB SAS 12 Gb/s 7,200 RPM large form factor (3.5″) hard drive featuring HPE SmartCarrier (SC) and dual-stage (DS) digital signature for high reliability, enterprise-grade performance, and seamless integration in HPE ProLiant and Synergy servers.
Which HPE servers and storage enclosures support the 4TB SAS 12G 7.2K LFF HDD?
This 4 TB SAS 12G HDD is compatible with HPE ProLiant DL/ML/BL series servers, Synergy compute modules, and HPE 3PAR StoreServ and MSA storage arrays that support 3.5″ SAS 12 Gb/s drives.
How do I install the HPE 872487-B21 hard drive?
Power down or hot-swap per your server’s guidelines, unlock the drive bay, slide the drive module into an empty 3.5″ SAS bay until it clicks, then secure the latch. Verify detection in HPE iLO or Smart Array controller firmware.
Can I use the 4TB SAS HDD in RAID configurations?
Yes. The 4 TB SAS 12G 7.2K LFF drive is certified for HPE Smart Array controllers and supports RAID 0, 1, 5, 6, 10, 50 and 60, delivering fault tolerance and performance optimization for enterprise workloads.
Is this HPE 4TB SAS drive hot-swappable?
Yes. The 872487-B21 module is hot-swappable, allowing you to remove or replace the drive without shutting down the server, provided your enclosure and controller firmware support hot-plug operations.
What is the average latency and data transfer rate of this HDD?
The drive spins at 7,200 RPM with an average latency of 4.16 ms and delivers sustained sequential transfer rates up to 250 MB/s over its 12 Gb/s SAS interface.
What is the warranty period for the HPE 872487-B21 drive?
HPE offers a standard three-year limited warranty covering defects in materials and workmanship, with options to extend coverage through HPE Foundation Care or HPE Pointnext services.
Can I use this 4TB SAS HDD for virtualization and database applications?
Absolutely. The enterprise-grade reliability and high sustained throughput of the 4 TB SAS 12G 7.2K drive make it ideal for virtualization, database management, and mixed workload environments.
What does SC DS stand for in this HPE SAS drive?
SC denotes HPE SmartCarrier for easy status monitoring, while DS refers to the dual-stage digital signature that ensures firmware authenticity and drive traceability throughout its lifecycle.
What are the operating temperature and power consumption specifications?
Operating temperature ranges from 10 °C to 35 °C. Power consumption is approximately 9.5 W active and 5.5 W idle, optimizing energy efficiency in high-density server racks.
How do I monitor the health of the 4TB SAS 12G HDD?
Use HPE iLO, Smart Storage Administrator (SSA), or HPE OneView to view SMART attributes, drive status, and predictive failure alerts for proactive maintenance and minimal downtime.
What noise and vibration levels can I expect from this HDD?
The 4 TB SAS 12G 7.2K LFF drive produces up to 7.2 dBA under typical operating conditions and meets HPE vibration tolerance standards for enterprise server environments.
Can I update the firmware on 872487-B21 4TB SAS HDD?
Yes. Download the latest firmware from HPE Support Center and use Smart Storage Administrator or Scripting Tools for Windows PowerShell to apply updates non-disruptively.
Is the 4TB SAS HDD backward compatible with SAS 6G controllers?
Yes. The drive’s SAS 12 Gb/s interface is backward compatible with SAS 6 Gb/s controllers, although data transfer speeds will be limited to the lower interface rate.
Can this HPE 4TB SAS drive be used in non-HPE systems?
While technically a standard SAS drive, the 872487-B21 carries HPE digital signatures and carrier design. Compatibility and firmware updates are best supported in HPE platforms.
How do I recycle or dispose of the enterprise HDD safely?
Follow local e-waste regulations and HPE’s end-of-use hardware recycling program. Ensure data sanitization using approved erasure methods or certified shredding services.