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Q2R42A
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HPE MSA 12TB 12G SAS 7.2K 3.5in 512e HDD
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
Q2R42A
- Description:
- HPE MSA 12TB 12G SAS 7.2K 3.5in 512e HDD
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$2,200.33
- Price:
$2,046.317% off
Quantity:
1
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Q2R42A Overview
Q2R42A is a high-performance HDD designed in a 3.5-inch form factor with a SATA III interface and a 7200 RPM spindle speed. It delivers a robust 10 TB storage capacity, backed by a 256 MB buffer, and is engineered for enterprise-grade workloads with an annual rating of 550 TB/yr and an MTBF of 2,000,000 hours, ensuring reliable operations in server and data center environments.
Q2R42A further enhances system stability with advanced features such as a helium-sealed design, dual actuator technology, and vibration protection. With power consumption optimized at 8 Watts during read/write operations and 5 Watts when idle, this drive is ideally suited for diverse use cases including desktops, NAS, surveillance, and high-demand enterprise storage applications.
Q2R42A price is $2,046.31, a 7% saving from the Hpe list price of $2,200.33. Q2R42A is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for Q2R42A for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
Q2R42A Specifications
- Product Type
- Hard Drive
- Brand
- Hpe
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SATA III
- Form Factor
- 3.5-inch
- Storage Capacity
- 10 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 256 MB
- 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
- Q2R42A Enterprise Series 10TB Helium-Sealed HDD
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 2.2 lbs
Q2R42A Use Case
Enterprise Virtualization Tiered Capacity Storage
In a mid-sized data center running 300+ VMs on HPE MSA arrays, deploying Q2R42A-HPE MSA 12TB 12G SAS 7.2K 3.5in 512e HDD as a capacity tier drives 150 MB/s sustained throughput per disk while cutting per-VM storage costs by 40%. The result is simplified VM provisioning, scalable growth up to 18 PB raw capacity, and predictable performance for mixed workloads.
High-Capacity Video Surveillance Archiving
A metropolitan security operations center capturing 24/7 HD streams from 1,000+ cameras uses Q2R42A-HPE MSA 12TB 12G SAS 7.2K HDD to support large sequential writes at up to 200 MB/s. This configuration delivers 12+ months of on-premise retention on a single MSA chassis, accelerates forensic search times by 25%, and reduces total cost of ownership by 30% for compliance-grade footage storage.
Scalable Backup and Disaster Recovery Target
A regional financial services firm leverages Q2R42A-HPE MSA 12TB 12G SAS 7.2K HDD in HPE MSA for snapshot-based backups and asynchronous replication. Achieving 48 TB per shelf, they cut nightly backup windows in half, improve RTO to under 2 hours, and meet sub-4 hour RPO SLAs. This delivers robust business continuity and high-availability without compromising performance.
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Product Comparison Table 
| Q2R42A |  843268-B21 |  753874-B21 |  793665-B21 |  870761-B21 | |
|---|---|---|---|---|---|
| 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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Server |
| 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 | 10 TB | 4 TB | 10 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 180 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 10 Watts | 9.0 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5 Watts | 5.0 Watts | 5 Watts |
| Encryption Support | AES 256-bit | No | 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 | 5–60°C |
| Product Name | Q2R42A Enterprise Series 10TB Helium-Sealed HDD | 843268-B21 High-Performance SATA III HDD | 753874-B21 Enterprise HDD | 793665-B21 High Performance Enterprise HDD | 870761-B21 |
| Height | 1.03 inches | 1.04 inches | 1.63 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 5.79 inches | 5.79 inches | 5.79 inches | 4 inches |
| Depth | 4.00 inches | 4.00 inches | 4.00 inches | 4.00 inches | 5.79 inches |
| Weight | 2.2 lbs | 2.2 lbs | 1.5 lbs | 1.65 lbs | 1.5 lbs |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
C
Colin Fraser
5
Midline SATA drive suited archival workloads.
A
Aamir Sohail
4
Quiet operation and consistent speeds.
L
Leo Chen
4
Good replacement drive.
S
Sajjad Khan
4
Reliable everyday storage.
J
Johan Pettersson
4
Stable and predictable.
Questions & Answers
What are the key specifications of the HPE MSA 12TB 12G SAS 7.2K 3.5in 512e HDD?
The HPE MSA Q2R42A features 12 TB capacity, 12 Gb/s SAS interface, 7 200 RPM, 3.5-inch form factor, and 512e sector emulation.
Which storage arrays are compatible with this HDD?
This HDD is validated for HPE MSA 1050, 2050, 2052 and 2055 arrays, as well as Gen10/Gen11 servers with SAS controllers.
What data transfer rate does the 12 G SAS interface support?
The 12 Gb/s SAS interface delivers up to 12 gigabits per second per lane for high-throughput, data-intensive applications.
How does the 7 200 RPM rotational speed affect performance?
A 7 200 RPM speed balances latency and sequential throughput, ideal for general-purpose, archival and backup workloads.
What does the 512e sector format mean?
The 512e format emulates 512-byte sectors on 4 KB physical blocks, improving compatibility with legacy systems and optimizing storage efficiency.
Can I use this HDD in RAID configurations?
Yes. The drive is optimized for RAID levels 0, 1, 5, 6, 10 and 50, providing performance and fault tolerance in enterprise arrays.
What workloads is this HDD best suited for?
This HDD excels in sequential I/O workloads, cold and warm data tiering, backup/archive tasks and virtual machine repositories.
What is the MTBF and reliability rating of this drive?
The HPE MSA 12 TB HDD offers 2 million hours MTBF and a 0.44% annualized failure rate, ensuring high reliability for critical storage.
What warranty does HPE provide for the Q2R42A HDD?
HPE backs this drive with a three-year warranty, including global support and on-site replacement options.
How do I install the HDD in an HPE MSA storage array?
Insert the HDD into a compatible MSA drive bay, lock the lever, power up the array, and verify recognition via the HPE Storage Management Utility.
Can I use this HDD with non-HPE storage equipment?
While optimized for HPE arrays, the industry-standard 12 G SAS interface may operate in other compatible SAS storage systems.
What is the power consumption of this HDD?
Typical power consumption is 8 W active and 6 W idle, delivering energy-efficient performance.
Does the drive support hot-swapping?
Yes. The 3.5-inch form factor and SAS interface support hot-plug operations for seamless maintenance and upgrades.
How does 12 TB capacity improve storage density?
By packing 12 TB into a single 3.5-inch slot, it maximizes rack density and minimizes footprint in dense storage environments.
Are firmware updates available for this HDD?
HPE provides firmware updates through the Service Pack for ProLiant (SPP) to enhance drive compatibility, performance and reliability.
What are typical use cases for this HDD in enterprise data centers?
Common use cases include large-scale backup, secondary storage, video surveillance archives and cold data tiering in virtualized infrastructures.