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Wayne Porter
5
SAS drive delivered consistent performance for shared volumes.
872485-B21
2TB SAS 12G 7.2K LFF SC DS HDD NO DEAL REG PRICING PL-SI
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Name:
872485-B21
- Description:
- 2TB SAS 12G 7.2K LFF SC DS HDD NO DEAL REG PRICING PL-SI
- Rating:
Added to cart 28 times recently
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- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$739.00
- Price:
$237.0067.9% off
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1
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872485-B21 Overview
872485-B21 is a high-performance HDD featuring a 3.5-inch form factor and a SATA III interface. It delivers a spindle speed of 7200 RPM, a storage capacity of 4 TB, and comes equipped with a 64 MB cache. The drive’s annual workload rating is 300 TB/yr, and it is engineered with an MTBF that meets rigorous data center demands, ensuring reliable operation rated at designated hours per year for desktop, server, NAS, and surveillance applications.
872485-B21 is designed for environments that require robust performance and advanced features, including helium sealing, built-in vibration protection, and dual actuator technology. Its power consumption is optimized for both read/write (7.5 Watts) and idle (5.5 Watts) operations, making it ideal for use in data centers, enterprise storage systems, and high-performance desktops.
872485-B21 price is $237.00, a 67.9% saving from the Hpe list price of $739.00. 872485-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 872485-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
872485-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
- 4 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 64 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 210 MB/s
- Annual Workload Rating
- 300 TB/yr
- Power Consumption (Read/Write)
- 7.5 Watts
- Power Consumption (Idle)
- 5.5 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
- 872485-B21 High Performance HDD
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.01 inches
- Weight
- 1.2 lbs
872485-B21 Use Case
Enterprise Virtualization Storage Acceleration
Scenario: A global financial institution integrates 872485-B21-2TB SAS 12G 7.2K LFF SC DS HDD drives into its VMware ESXi cluster to boost mission-critical VM performance. Outcome: Achieves 30% faster transaction processing and 99.99% uptime, enhancing regulatory compliance and operational efficiency.
Scalable Backup & Archive for SMB Compliance
Scenario: A mid-size legal firm deploys HPE ProLiant servers equipped with 872485-B21-2TB SAS 12G 7.2K LFF SC DS HDDs to handle rapid case-file growth and meet strict retention policies. Outcome: Reduces backup windows by 40% and lowers total cost of ownership by 20%, ensuring reliable, high-capacity data protection.
High-Capacity Video Surveillance Retention
Scenario: A national retail chain implements network video recorders loaded with 872485-B21-2TB SAS 12G 7.2K LFF SC DS HDDs across 200 locations for 24/7 HD recording. Outcome: Enables 60-day continuous retention, simplifies compliance audits, and optimizes storage costs with robust midline SAS performance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 872485-B21 |  861594-B21 |  861691-B21 |  875490-B21 |  Q2P82A | |
|---|---|---|---|---|---|
| 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 | 4 TB | 10 TB | 4 TB | 8 TB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 64 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 210 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 | 300 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 7.5 Watts | 8.5 Watts | 8 Watts | 8.9 Watts | 8.5 Watts |
| Power Consumption (Idle) | 5.5 Watts | 5.5 Watts | 5 Watts | 5.9 Watts | 6.0 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 | 872485-B21 High Performance HDD | 861594-B21 Enterprise Storage HDD | 861691-B21 Enterprise HDD | 875490-B21 High Performance Enterprise HDD | Q2P82A Enterprise Helium-Sealed 8TB HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 | 1.02 inches | 1.04 inches |
| Width | 5.79 inches | 5.79 inches | 5.79 | 4.00 inches | 5.79 inches |
| Depth | 4.01 inches | 4.01 inches | 4.0 | 5.79 inches | 8.66 inches |
| Weight | 1.2 lbs | 2.1 lbs | 1.8 | 1.5 lbs | 1.2 lbs |
Reviews & Ratings
B
Bilawal Ahmed
4
Strong reliability for enterprise use.
K
Kenji Sato
4
Firmware worked seamlessly.
A
Ali Hassan
4
Good midline option.
R
Rui Pereira
4
Stable and predictable.
Questions & Answers
What are the key features of the 2TB SAS 12G 7.2K LFF HDD (SKU 872485-B21)?
This drive delivers 2 TB capacity, 12 Gb/s SAS interface, 7 200 RPM spindle speed, 3.5″ large form factor, enterprise-class reliability and hot-swap support.
Is the 872485-B21 2TB SAS HDD compatible with HPE ProLiant servers?
Yes. SKU 872485-B21 is fully compatible with HPE ProLiant Gen8, Gen9 and Gen10 servers when installed in a supported SAS backplane.
Does the 2TB SAS 12G HDD support hot-swapping?
Yes. The drive is designed for hot-swap operation, allowing insertion and removal without powering down the server.
What is the workload rating for the 872485-B21 enterprise drive?
It supports a 550 TB/year workload rating, making it ideal for high-demand enterprise applications.
What is the MTBF of the 2TB SAS 12G 7.2K LFF HDD?
The drive offers a Mean Time Between Failures (MTBF) of 2 million hours for continuous reliability.
Can I use this HDD in RAID configurations?
Yes. This 12 Gb/s SAS drive is certified for hardware RAID levels 0, 1, 5, 6, 10 and beyond.
What are the power consumption specifications?
Idle power consumption is approximately 7.2 W, with up to 8.5 W during active read/write operations.
What operating temperature range does this HDD support?
It operates reliably from 5 °C to 60 °C (41 °F to 140 °F).
What data protection features are built into this drive?
It includes rotational vibration sensors and advanced error-recovery protocols to ensure data integrity in multi-drive enclosures.
Is a drive carrier or caddy included with SKU 872485-B21?
No. This SKU ships as a bare drive. A compatible HPE carrier tray must be ordered separately.
What form factor and dimensions does the HDD have?
This is a 3.5″ large form factor drive with dimensions of 147 mm (L) × 101.6 mm (W) × 26.1 mm (H).
How do I install the 2TB SAS HDD in my server?
Insert the drive into an empty SAS backplane slot, secure the carrier latches, then verify detection in your server’s storage controller BIOS.
What warranty is included with this 2TB SAS drive?
This drive includes a three-year limited warranty covering defects in materials and workmanship.
How does SAS compare to SATA for this 2TB drive?
SAS delivers up to 12 Gb/s throughput, dual-port redundancy and enterprise-grade reliability, while SATA tops out at 6 Gb/s and single-port connectivity.
Will the 872485-B21 drive work in non-HPE enclosures?
Yes. It can operate in any standard 12 Gb/s SAS-enabled enclosure that supports 3.5″ enterprise drives.
Does SKU 872485-B21 support self-encryption (SED)?
No. This model does not include built-in encryption. For hardware encryption, choose an HPE self-encrypting drive SKU.