United States
Name:
QK555AA
- Description:
- 1TB 7200 RPM SATA 6GBPS HARD DRIVE
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- GTIN:
- 998377355239
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3 Year Extended Warranty
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Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
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Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
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.
What is the price of QK555AA?
Pricing for QK555AA is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for QK555AA.
Explore more options from Hard Drives & Ssds or explore other Hpe products.
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
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| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr | 180 TB/yr |
| Average Latency | N/A | N/A | N/A | 4.17 ms | N/A |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | N/A | Up to 210 MB/s | Up to 250 MB/s |
| Depth | 4.01 inches | 5.8 inches | 4.0 inches | 4.01 inches | 6.9 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | AES 256-bit | AES 256-bit | No | AES 256-bit | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch / 2.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.0 inches | 1.0 inches | 1.03 inches | 1.0 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Power Consumption (Idle) | 5 Watts | 5.0 Watts | 4 Watts | 5.5 W | 5 Watts |
| Power Consumption (Read/Write) | 8 Watts | 7.0 Watts | 8 Watts | 8.5 W | 8 Watts |
| Product Name | K4T76AA | QK554AA | QK555AA 8TB SATA III HDD | LQ036AA 10TB Enterprise Helium-Sealed HDD | M7S54AA |
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Storage Capacity | 4 TB | 10 TB | 8 TB | 10 TB | 4 TB |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / NAS | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.0 lbs | 1.5 lbs | 2.5 lbs | 1.5 lbs | 2.5 lbs |
| Width | 5.79 inches | 4.0 inches | 5.8 inches | 5.79 inches | 4.0 inches |
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Questions & Answers
Q
What are the main specifications of the QK555AA 1TB 7200 RPM SATA 6 Gbps hard drive?
A
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.
Q
Is the QK555AA compatible with my desktop or server?
A
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.
Q
How fast is data transfer on this 1TB 7200 RPM hard drive?
A
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.
Q
Can I use the QK555AA as external storage?
A
Yes. By adding a compatible SATA-to-USB 3.0 or eSATA enclosure, you can convert the QK555AA into a high-speed external drive.
Q
What operating systems support the QK555AA hard drive?
A
The QK555AA is OS-agnostic. It works natively with Windows, macOS and Linux; just format it to NTFS, APFS, exFAT or ext4 based on your needs.
Q
How do I install the QK555AA in my PC?
A
Mount the 3.5″ drive into a free bay, connect the SATA data cable to your motherboard and the SATA power cable from your PSU, then secure screws and power on.
Q
What is the warranty coverage for the QK555AA hard drive?
A
The QK555AA includes a standard 3-year limited warranty covering defects in materials and workmanship, plus free technical support throughout the warranty period.
Q
How reliable is the QK555AA for 24/7 operation?
A
Designed for continuous operation, the QK555AA features a workload rating of 180 TB per year and a mean time between failures (MTBF) of 1.2 million hours.
Q
Does the QK555AA require special cooling or vibration damping?
A
No special hardware is required. Standard case airflow and anti-vibration mounting screws ensure optimal performance and longevity.
Q
Can I use this drive for gaming and multimedia editing?
A
Absolutely. The 7200 RPM speed and SATA III 6 Gbps interface deliver fast load times, smooth gameplay and efficient video editing workflows.
Q
How do I format the QK555AA for first use?
A
In Windows, open Disk Management, initialize the disk as GPT or MBR, create a new volume, assign a drive letter and format to NTFS. In macOS, use Disk Utility to format as APFS or exFAT.
Q
What is the power consumption of the QK555AA?
A
The QK555AA consumes approximately 6 W during read/write operations and under 3 W when idle, making it energy-efficient for continuous use.
Q
Do I need to defragment my 7200 RPM hard drive?
A
Periodic defragmentation can improve performance on file-intensive workloads. Use your OS’s built-in defrag tool once a month for best results.
Q
How noisy is the QK555AA in operation?
A
The drive operates at 2.5 bels in idle and up to 3.5 bels under load, providing a quiet experience in most desktop and home office environments.
Q
Can I install this drive in a NAS system?
A
Yes. The QK555AA is compatible with most 3.5″ NAS bays. Check your NAS manufacturer’s HDD compatibility list for confirmation.
Q
What are the advantages of the QK555AA over a 5400 RPM drive?
A
Compared to 5400 RPM drives, the QK555AA offers faster data transfer, lower seek times, improved multitasking and better overall system responsiveness.
