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L3M56AA
1TB SATA 7200rpm Hard Drive - 2.5" - 1000 GB - 7200 RPM
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L3M56AA is a high-performance HDD engineered for demanding environments. It features a 3.5-inch form factor with a SATA III interface, a spindle speed of 7200 RPM, a 4 TB storage capacity, and a 128 MB cache, making it a robust solution for data-intensive applications.
L3M56AA is rated with an annual workload of 180 TB/yr and an MTBF of 1,000,000 hours for 24/7 reliability. Designed for desktop, server, NAS, and surveillance use, it delivers low power consumption while offering advanced features such as a helium-sealed design, vibration protection, and dual actuator technology for enhanced performance in data centers and enterprise systems.
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| 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 / 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 / 2.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 4 TB | 10 TB | 8 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 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 | 180 TB/yr | 300 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 7.0 Watts | 8 Watts | 6.0 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5.0 Watts | 4 Watts | 4.5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | No | No |
| 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 | 5–55°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | L3M56AA | K4T76AA | QK554AA | QK555AA 8TB SATA III HDD | QB576AA |
| Height | 1.03 inches | 1.03 inches | 1.0 inches | 1.0 inches | 1.02 inches |
| Width | 4.0 inches | 5.79 inches | 4.0 inches | 5.8 inches | 4.00 inches |
| Depth | 5.79 inches | 4.01 inches | 5.8 inches | 4.0 inches | 5.79 inches |
| Weight | 1.3 lbs | 2.0 lbs | 1.5 lbs | 2.5 lbs | 2.4 lbs |
Compact 1TB 2.5 inch HDD with steady performance.
Reliable 7200 RPM drive for business laptops.
Consistent data storage and durability.
Stable throughput for daily operations.
Dependable small form factor storage.
The L3M56AA is a 2.5″, 1000 GB SATA III hard drive spinning at 7200 RPM with a 6 Gb/s interface and 128 MB cache.
This 2.5″ SATA III drive is compatible with laptops, small form-factor desktops, servers and storage arrays supporting 7 mm drive height and SATA III (6 Gb/s).
At 7200 RPM, this drive delivers up to 150 MB/s sequential transfer rates and average seek times of 12 ms for fast data access.
Power down your system, remove the drive bay cover, slide in the L3M56AA drive into the SATA connector, secure it with screws, then reboot.