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Leonard Price
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MC990 SAS HDD works well for bulk storage.
Q2T62A
HPE MC990 1TB 12G SAS 7.2K SFF 512n HDD
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Q2T62A
- Description:
- HPE MC990 1TB 12G SAS 7.2K SFF 512n HDD
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Q2T62A Overview
Q2T62A is a high-performance 3.5-inch HDD designed to deliver reliable storage in demanding environments. It features a SATA III interface, operates at 7200 RPM, and offers a robust 4 TB storage capacity along with a 256 MB cache, ensuring efficient access to large amounts of data.
Engineered with an annual workload rating of 180 TB/yr and incorporating advanced features such as a helium-sealed design and dual actuator technology with vibration protection, Q2T62A is ideally suited for desktops, servers, NAS systems, and surveillance setups. Its optimized power consumption—with approximately 8.5 Watts during active read/write operations and 5.6 Watts in idle mode—further enhances its appeal across a variety of high-demand use cases.
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Request bulk order quote for Q2T62A for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
Q2T62A Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance
- 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
- 180 TB/yr
- Power Consumption (Read/Write)
- 8.5 Watts
- Power Consumption (Idle)
- 5.6 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
- Q2T62A Enterprise HDD
- Height
- 1.0 inches
- Width
- 5.8 inches
- Depth
- 3.9 inches
- Weight
- 2.0 lbs
Q2T62A Use Case
Virtualization Host Tier Expansion with HPE MC990 1TB 12G SAS HDD
In a midsize enterprise running VMware or Hyper-V on HPE ProLiant servers, IT teams deploy Q2T62A-HPE MC990 1TB 12G SAS 7.2K SFF 512n HDDs as a dedicated high-capacity storage tier for virtual machine boot volumes and data stores. This configuration delivers sustained 12 Gb/s throughput, reduces VM I/O wait times by up to 30%, and scales easily to support hundreds of virtual guests—ensuring predictable performance, simplified management, and lower cost per VM.
Near-Line Backup and Compliance Archival in HPE MSA Arrays
A financial services firm leverages Q2T62A-HPE MC990 1TB 12G SAS HDDs in an HPE MSA storage array to host daily backup snapshots and long-term audit archives. The 7.2K RPM drives provide a balance of capacity and reliability, accelerating backup windows by 25% with 12 Gb/s SAS connectivity and meeting stringent retention SLAs. The outcome is rapid data recovery, full regulatory compliance, and a 40% reduction in storage TCO.
Edge Computing Data Buffering for Industrial IoT
A global manufacturer deploys Q2T62A-HPE MC990 1TB 12G SAS HDDs in HPE Edgeline servers at remote production sites to locally store high-frequency sensor data before cloud ingestion. The 512 byte sector format optimizes large-block writes, while 12 Gb/s SAS ensures consistent throughput under heavy write bursts. This edge buffer architecture minimizes network congestion, guarantees zero data loss during connectivity drops, and supports real-time analytics with sub-millisecond local access.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Q2T62A |  822567-B21 |  873359-B21 |  762261-B21 |  862161-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 | 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 | 4 TB | 10 TB | 10 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 |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 300 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 180 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8 Watts | 7.5 Watts | 8.5 Watts | 8 Watts |
| Power Consumption (Idle) | 5.6 Watts | 5 Watts | 5 Watts | 5.3 Watts | 4 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 | Rotational Vibration Sensors | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–55°C | 5–60°C |
| Product Name | Q2T62A Enterprise HDD | 822567-B21 Enterprise Performance HDD | 873359-B21 High-Performance HDD | 762261-B21 Enterprise 10TB SATA III 7200 RPM HDD | 862161-B21 Enterprise HDD |
| Height | 1.0 inches | 1.03 inches | 1.03 inches | 1 inch | 1.03 inches |
| Width | 5.8 inches | 5.79 inches | 5.78 inches | 5.8 inches | 5.79 inches |
| Depth | 3.9 inches | 4.00 inches | 4.02 inches | 4 inches | 4.00 inches |
| Weight | 2.0 lbs | 2.0 lbs | 3.53 lbs | 1.5 lbs | 2.2 lbs |
Reviews & Ratings
S
Saniya Noor
5
Quiet operation and stable throughput.
D
Dainius Petrauskas
5
Good capacity drive for enterprise use.
T
Tariq Jamil
5
Reliable performance in production.
H
Howard Klein
5
Meets expectations for MC990 HDDs.
Questions & Answers
What is the capacity and form factor of the HPE MC990 1TB 12G SAS 7.2K SFF 512n HDD?
The HPE MC990 drive offers 1 TB of raw storage in a Small Form Factor (2.5-inch) chassis, ideal for high-density server environments.
Which interface and data transfer rate does the HPE MC990 support?
It uses a 12 Gb/s SAS interface, delivering up to 1.2 GB/s sustained throughput for demanding enterprise applications.
What is the rotational speed of the MC990 HDD?
The drive spins at 7,200 RPM, balancing performance and power efficiency for mixed-workload data centers.
What does 512n mean in the HPE MC990 specifications?
512n denotes 512-byte native sector formatting, providing broad OS compatibility and optimized throughput for legacy and modern systems.
Which HPE servers are compatible with the MC990 1TB 12G SAS HDD?
This drive is validated for HPE ProLiant Gen10 and Gen11 servers, Apollo storage servers, and select HPE Synergy platforms with SAS backplanes.
Can I hot-swap the HPE MC990 enterprise HDD?
Yes, the MC990 supports hot-plug capability, allowing drives to be removed or inserted without shutting down the server.
What is the Mean Time Between Failures (MTBF) for the MC990 drive?
The MC990 is rated for an MTBF of 2 million hours, ensuring high reliability in 24/7 enterprise operations.
How much power does the HPE MC990 consume under load?
Under typical operating conditions, it consumes approximately 6.5 W peak power and 4.1 W idle, optimizing data center energy use.
Is the MC990 suitable for RAID configurations?
Yes, the drive is certified for hardware RAID levels 0, 1, 5, 6 and 10 when used with HPE Smart Array controllers.
What warranty does HPE provide with SKU Q2T62A?
HPE offers a three-year limited warranty for part replacement, backed by global support and optional warranty extensions.
Which workloads are optimal for the HPE MC990 1TB SAS HDD?
Ideal for sequential streaming, archival storage, database logs, and virtualization swap files requiring high capacity and moderate I/O.
How do I install the MC990 HDD in an HPE ProLiant server?
Insert the drive into an empty 2.5-inch SAS bay, ensuring the carrier latch clicks into place, then confirm detection in the iLO or Smart Array BIOS.
How can I monitor MC990 health and performance?
Use HPE iLO, Smart Storage Administrator or HPE OneView to view SMART metrics, temperature, and firmware status in real time.
Does the MC990 support encryption features?
No, the standard MC990 drive does not include self-encrypting (SED) capabilities; consider HPE SED models for data-at-rest encryption.
What environmental specifications apply to the HPE MC990 HDD?
Operating temperature ranges from 5°C to 55°C, and it tolerates non-operating humidity up to 95% non-condensing.
Can I use the MC990 in non-HPE systems?
While electrically compatible with standard 12G SAS backplanes, HPE firmware optimizations may not be supported on third-party chassis.
How often should I update the firmware on the MC990 drive?
Check for firmware updates quarterly via HPE Support Center to maintain compatibility, performance, and security improvements.