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Reliable 1TB 7200 RPM drive for business systems.
QK555AA
1TB 7200 RPM SATA 6GBPS HARD DRIVE
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Name:
QK555AA
- Description:
- 1TB 7200 RPM SATA 6GBPS HARD DRIVE
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- GTIN:
- 998377355239
- Condition:
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QK555AA Overview
QK555AA is a high-performance HDD engineered in a 3.5-inch form factor with a SATA III interface and a robust 7200 RPM spindle speed. It offers an 8 TB storage capacity combined with a 256 MB cache, a workload rating of 180 TB/yr, and an MTBF of 1,200,000 hours optimized for continuous 8,760 hours/year reliability in desktop and NAS applications.
QK555AA is ideally suited for environments requiring rigorous durability and efficiency, including data centers, desktops, NAS systems, and surveillance setups. It features efficient power consumption during read/write operations and incorporates advanced technology such as a helium-sealed design, vibration protection, and dual actuator functionality to ensure sustained high performance.
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QK555AA Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / NAS
- 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
- N/A
- Annual Workload Rating
- 180 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Power Consumption (Idle)
- 4 Watts
- Encryption Support
- No
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- QK555AA 8TB SATA III HDD
- Height
- 1.0 inches
- Width
- 5.8 inches
- Depth
- 4.0 inches
- Weight
- 2.5 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 QK555AA |  LQ036AA |  QK554AA |  M7S54AA |  K4T76AA | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / NAS | 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 / 2.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 8 TB | 10 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 | 256 MB | 256 MB | 256 MB | 256 MB |
| Average Latency | N/A | 4.17 ms | N/A | N/A | N/A |
| Data Transfer Rate | N/A | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8.5 W | 7.0 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 4 Watts | 5.5 W | 5.0 Watts | 5 Watts | 5 Watts |
| Encryption Support | No | 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 | 5–55°C | 5–55°C |
| Product Name | QK555AA 8TB SATA III HDD | LQ036AA 10TB Enterprise Helium-Sealed HDD | QK554AA | M7S54AA | K4T76AA |
| Height | 1.0 inches | 1.03 inches | 1.0 inches | 1.0 inches | 1.03 inches |
| Width | 5.8 inches | 5.79 inches | 4.0 inches | 4.0 inches | 5.79 inches |
| Depth | 4.0 inches | 4.01 inches | 5.8 inches | 6.9 inches | 4.01 inches |
| Weight | 2.5 lbs | 1.5 lbs | 1.5 lbs | 2.5 lbs | 2.0 lbs |
Reviews & Ratings
O
Owen Hayes
4
Stable performance and dependable data access.
P
Paul Turner
5
Consistent operation across workloads.
Q
Quinn Hayes
3
Solid storage solution with reliability.
R
Ryan Brooks
4
Good balance of capacity and speed.
S
Scott Turner
5
Durable enterprise-ready hard drive.
T
Tyler Hayes
5
Reliable daily performance without issues.
Questions & Answers
What are the main specifications of the QK555AA 1TB 7200 RPM SATA 6 Gbps hard drive?
The QK555AA offers 1 TB capacity, 7200 RPM spindle speed, SATA III 6 Gbps interface, 64 MB cache, 3.5″ form factor and an average seek time of 8.5 ms for reliable, high-performance storage.
Is the QK555AA compatible with my desktop or server?
Yes. The QK555AA uses a standard SATA III 6 Gbps interface and a 3.5″ form factor, ensuring compatibility with virtually all modern desktops and most enterprise servers.
How fast is data transfer on this 1TB 7200 RPM hard drive?
With its SATA III 6 Gbps interface and 7200 RPM motor, the QK555AA delivers sustained transfer rates up to 200 MB/s and quick seek times around 8.5 ms.
Can I use the QK555AA as external storage?
Yes. By adding a compatible SATA-to-USB 3.0 or eSATA enclosure, you can convert the QK555AA into a high-speed external drive.