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High-capacity 4TB HDD with reliable 7200 RPM performance.
K4T76AA
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4TB SATA 7200 RPM HDD
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Name:
K4T76AA
- Description:
- 4TB SATA 7200 RPM HDD
- Rating:
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- Brand:
- Hpe
- GTIN:
- 4053162292543
- Condition:
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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.
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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 
| K4T76AA |  T0K74AA |  F3B97AA |  QK555AA |  LQ037AA | |
|---|---|---|---|---|---|
| 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 / Enterprise Storage | Desktop / NAS | 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 | 8 TB | 8 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 | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | N/A | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 180 TB/yr | 300 TB/yr | 180 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 9.0 Watts | 8 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 6.0 Watts | 4 Watts | 4 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | 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 | 5–55°C | 5–60°C | 5–55°C | 5–60°C | 5–60°C |
| Product Name | K4T76AA | T0K74AA Enterprise Series HDD | F3B97AA | QK555AA 8TB SATA III HDD | LQ037AA Enterprise Helium-Sealed HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.0 inches | 1.03 inches |
| Width | 5.79 inches | 5.79 inches | 5.79 inches | 5.8 inches | 4.00 inches |
| Depth | 4.01 inches | 4.01 inches | 4.00 inches | 4.0 inches | 5.79 inches |
| Weight | 2.0 lbs | 1.8 lbs | 2.1 lbs | 2.5 lbs | 1.50 lbs |
Reviews & Ratings
S
Scott Hale
5
Stable throughput for archival workloads.
T
Tyler Stone
4
Dependable storage solution for enterprise data.
V
Victor Brooks
4
Consistent operation under daily loads.
W
Wade Hale
5
Solid build quality and durability.
Z
Zane Turner
4
Reliable large-capacity business drive.
A
Aaron Carter
5
Predictable enterprise storage performance.
Questions & Answers
What is the capacity and interface of the K4T76AA 4TB SATA 7200 RPM HDD?
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.
What are the sequential data transfer rates of the K4T76AA?
The K4T76AA delivers up to 210 MB/s sustained read/write throughput over its SATA 6 Gb/s interface.
Which systems are compatible with the K4T76AA 4TB HDD?
Any desktop or NAS with a 3.5″ SATA 6 Gb/s bay and Windows, Linux, or macOS operating systems supports the K4T76AA.
What is the mean time between failures (MTBF) for this HDD?
The K4T76AA is rated at 1.2 million hours MTBF under typical enterprise operating conditions.
What power consumption can I expect from the K4T76AA?
The drive consumes 7.5 W during read/write, 4 W idle, and 0.8 W in standby mode.
Is the K4T76AA suitable for RAID configurations?
Yes, the K4T76AA supports RAID 0, 1, 5, 6, and 10 deployments with Native Command Queuing (NCQ).
What warranty is provided with the K4T76AA hard drive?
HP offers a three-year limited warranty, including parts and labor coverage for the K4T76AA.
What are the physical dimensions and weight of this HDD?
The drive measures 147 × 101.6 × 26.1 mm (L×W×H) and weighs approximately 680 g.
Can I install the K4T76AA in an external enclosure?
Yes, any SATA 6 Gb/s-compatible external enclosure designed for 3.5″ desktop drives will support the K4T76AA.
How much noise does the K4T76AA generate during operation?
Operating acoustics measure 29 dBA when idle and 35 dBA during seek.
What is the recommended operating temperature range?
The K4T76AA operates reliably between 5 °C and 55 °C ambient temperature.
What use cases are best suited for this 4TB HDD?
Ideal for desktop storage, surveillance systems, direct-attached storage (DAS), and entry-level NAS applications.
Does the K4T76AA support vibration and shock tolerance?
Yes, it meets 2 g operational and 5 g non-operational shock specifications with rotational vibration sensors.
What firmware features enhance data integrity?
The drive includes Error Correction Code (ECC), TLER (Time-Limited Error Recovery), and thermal monitoring.
How do I install the K4T76AA HDD in my system?
Mount the drive in a 3.5″ bay, connect the SATA data and power cables, then secure with screws before powering on.
How does the K4T76AA compare to SSDs in performance?
While SSDs offer higher IOPS and lower latency, the K4T76AA delivers cost-effective high-capacity storage at 7200 RPM.
What maintenance is required for the K4T76AA HDD?
Perform regular file-system checks, monitor SMART attributes, and ensure adequate cooling to maximize drive longevity.