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Name:
K4T76AA
- Description:
- 4TB SATA 7200 RPM HDD
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- GTIN:
- 4053162292543
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3 Year Extended Warranty
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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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.
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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
K4T76AA Overview
K4T76AA is an HDD engineered for high-performance applications, offering a 3.5-inch form factor with a SATA III interface, 7200 RPM spindle speed, 4 TB storage capacity, and a 256 MB cache. It is built to deliver an annual workload rating of 300 TB/yr and is backed by an MTBF of 1,000,000 hours with a reliability rating that supports desktop, server, NAS, and surveillance uses.
Featuring advanced technology including a helium-sealed design, vibration protection, and dual actuators, K4T76AA is optimized for rigorous environments such as data centers, desktop systems, NAS setups, and surveillance infrastructures. Its efficient power consumption of 8 Watts during read/write operations and 5 Watts at idle makes it a robust and energy-conscious storage solution.
What is the price of K4T76AA?
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K4T76AA 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) | 256 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 250 MB/s |
| Annual Workload Rating | 300 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 | 5–55°C |
| Product Name | K4T76AA |
| Height | 1.03 inches |
| Width | 5.79 inches |
| Depth | 4.01 inches |
| Weight | 2.0 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 | 300 TB/yr | 180 TB/yr | 300 TB/yr | 180 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | 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 250 MB/s | Up to 250 MB/s |
| Depth | 5.79 inches | 4.01 inches | 4.0 inches | 4.00 inches | 4.01 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 | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.03 inches | 1.0 inches | 1.03 inches | 1.03 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 | 5–60°C | 5–55°C | 5–60°C | 5–55°C | 5–60°C |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 4 Watts | 4 Watts | 6.0 Watts |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8 Watts | 8 Watts | 9.0 Watts |
| Product Name | LQ037AA Enterprise Helium-Sealed HDD | K4T76AA | QK555AA 8TB SATA III HDD | F3B97AA | T0K74AA Enterprise Series HDD |
| 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 | 4 TB | 8 TB | 8 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 | 1.50 lbs | 2.0 lbs | 2.5 lbs | 2.1 lbs | 1.8 lbs |
| Width | 4.00 inches | 5.79 inches | 5.8 inches | 5.79 inches | 5.79 inches |
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Questions & Answers
Q
What is the capacity and interface of the K4T76AA 4TB SATA 7200 RPM HDD?
A
The K4T76AA is a 4 TB hard drive with a SATA 6 Gb/s interface and a 7200 RPM spindle speed in a 3.5″ form factor.
Q
What are the sequential data transfer rates of the K4T76AA?
A
The K4T76AA delivers up to 210 MB/s sustained read/write throughput over its SATA 6 Gb/s interface.
Q
Which systems are compatible with the K4T76AA 4TB HDD?
A
Any desktop or NAS with a 3.5″ SATA 6 Gb/s bay and Windows, Linux, or macOS operating systems supports the K4T76AA.
Q
What is the mean time between failures (MTBF) for this HDD?
A
The K4T76AA is rated at 1.2 million hours MTBF under typical enterprise operating conditions.
Q
What power consumption can I expect from the K4T76AA?
A
The drive consumes 7.5 W during read/write, 4 W idle, and 0.8 W in standby mode.
Q
Is the K4T76AA suitable for RAID configurations?
A
Yes, the K4T76AA supports RAID 0, 1, 5, 6, and 10 deployments with Native Command Queuing (NCQ).
Q
What warranty is provided with the K4T76AA hard drive?
A
HP offers a three-year limited warranty, including parts and labor coverage for the K4T76AA.
Q
What are the physical dimensions and weight of this HDD?
A
The drive measures 147 × 101.6 × 26.1 mm (L×W×H) and weighs approximately 680 g.
Q
Can I install the K4T76AA in an external enclosure?
A
Yes, any SATA 6 Gb/s-compatible external enclosure designed for 3.5″ desktop drives will support the K4T76AA.
Q
How much noise does the K4T76AA generate during operation?
A
Operating acoustics measure 29 dBA when idle and 35 dBA during seek.
Q
What is the recommended operating temperature range?
A
The K4T76AA operates reliably between 5 °C and 55 °C ambient temperature.
Q
What use cases are best suited for this 4TB HDD?
A
Ideal for desktop storage, surveillance systems, direct-attached storage (DAS), and entry-level NAS applications.
Q
Does the K4T76AA support vibration and shock tolerance?
A
Yes, it meets 2 g operational and 5 g non-operational shock specifications with rotational vibration sensors.
Q
What firmware features enhance data integrity?
A
The drive includes Error Correction Code (ECC), TLER (Time-Limited Error Recovery), and thermal monitoring.
Q
How do I install the K4T76AA HDD in my system?
A
Mount the drive in a 3.5″ bay, connect the SATA data and power cables, then secure with screws before powering on.
Q
How does the K4T76AA compare to SSDs in performance?
A
While SSDs offer higher IOPS and lower latency, the K4T76AA delivers cost-effective high-capacity storage at 7200 RPM.
Q
What maintenance is required for the K4T76AA HDD?
A
Perform regular file-system checks, monitor SMART attributes, and ensure adequate cooling to maximize drive longevity.
