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Lenovo 7XB7A00021 300GB 15K 2.5"
- Description:
- Lenovo ThinkSystem 2.5" 300GB 15K SAS 12Gb Hot Swap 512n HDD
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- 467816920302
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Lenovo 7XB7A00021 300GB 15K 2.5" Overview
Lenovo 7XB7A00021 300GB 15K 2.5" is a high-performance HDD engineered for enterprise storage applications in data centers, servers, and high-demand NAS environments. This drive features a 2.5-inch form factor with a SAS 12Gb/s interface, a robust 15,000 RPM spindle speed, 300 GB of storage capacity, and a 64 MB cache, offering a high annual workload rating of 550 TB/yr and an MTBF of 2,000,000 hours while reliably operating at rated hours per year.
Optimized for mission-critical environments, this Lenovo drive delivers precise performance with low power consumption during read/write operations (7.5 Watts) and idle (6.0 Watts). It is equipped with vibration protection through rotational vibration sensors and is designed to meet the rigorous demands of desktop, server, NAS, and surveillance use cases.
What is the price of Lenovo 7XB7A00021 300GB 15K 2.5"?
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Lenovo 7XB7A00021 300GB 15K 2.5" Specifications
| Product Type | Hard Drive |
| Drive Type | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SAS 12Gb/s |
| Form Factor | 2.5-inch |
| Storage Capacity | 300 GB |
| Spindle Speed (RPM) | 15000 RPM |
| Cache (Buffer Size) | 64 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr |
| Power Consumption (Read/Write) | 7.5 Watts |
| Power Consumption (Idle) | 6.0 Watts |
| Encryption Support | No |
| Helium Sealed | No |
| Drive Bays Supported | Single |
| Vibration Protection | Yes |
| Advanced Features | Rotational Vibration Sensors |
| Operating Temperature | 5–55°C |
| Product Name | Lenovo 7XB7A00021 300GB 15K 2.5" |
| Height | 0.28 inches |
| Width | 2.75 inches |
| Depth | 3.95 inches |
| Weight | 0.65 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Advanced Features | Rotational Vibration Sensors | Rotational Vibration Sensors | N/A | N/A | Dual Actuator |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | N/A | 550 TB/yr | 300 TB/yr |
| Average Latency | 4.17 ms | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 64 MB | N/A | 256 MB | 64 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 550 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Depth | 4.01 inches | 3.95 inches | N/A | 5.79 inches | 3.94 inches |
| Drive Bays Supported | Multi-bay | Single | Single | Multi-bay | Single |
| Drive Type | HDD | HDD | SSD | HDD | HDD |
| Encryption Support | AES 256-bit | No | AES 256-bit | No | AES 256-bit |
| Form Factor | 3.5-inch | 2.5-inch | 2.5-inch | 3.5-inch | 2.5-inch |
| Height | 1.0 inches | 0.28 inches | N/A | 1.03 inches | 0.28 inches |
| Helium Sealed | Helium-Sealed | No | No | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SAS 12Gb/s | SATA III | SATA III | SATA III |
| Operating Temperature | 5–60°C | 5–55°C | 5–55°C | 5–60°C | 5–55°C |
| Power Consumption (Idle) | 6.5 Watts | 6.0 Watts | N/A | N/A | 4 Watts |
| Power Consumption (Read/Write) | 8.5 Watts | 7.5 Watts | N/A | N/A | 6 Watts |
| Product Name | Lenovo 4XB7A13907 14TB 7.2K 3.5" | Lenovo 7XB7A00021 300GB 15K 2.5" | Lenovo 4XB7A10154 960GB SSD 2.5" | Lenovo 7XB7A00053 8TB 7.2K 3.5" | Lenovo 7N47A00129 Onboard SSD |
| Product Type | Hard Drive | Hard Drive | Solid State Drive | Hard Drive | Hard Drive |
| Spindle Speed (RPM) | 7200 RPM | 15000 RPM | N/A | 7200 RPM | 7200 RPM |
| Storage Capacity | 14 TB | 300 GB | 960 GB | 8 TB | 500 GB |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance |
| Vibration Protection | Yes | Yes | No | Yes | Yes |
| Weight | 2.0 lbs | 0.65 lbs | N/A | 1.35 lbs | 0.65 lbs |
| Width | 5.79 inches | 2.75 inches | N/A | 4.00 inches | 2.75 inches |
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Questions & Answers
Q
What are the key specifications of the Lenovo 7XB7A00021 300GB 15K SAS HDD?
A
The Lenovo 7XB7A00021 features a 300 GB capacity, 15,000 RPM spindle speed, dual-port SAS 12 Gb/s interface, 512 byte sector format, 2.5" form factor and hot-swap capability.
Q
Which Lenovo servers are compatible with the 7XB7A00021 300GB 15K SAS drive?
A
This drive is fully compatible with Lenovo ThinkSystem rack and tower servers including SR530, SR550, SR650, SR850 and ThinkSystem storage enclosures with 2.5" SAS bays.
Q
What performance can I expect from this 15K SAS 12 Gb/s HDD?
A
You can expect sustained sequential read/write speeds up to 255/255 MB/s and up to 250,000 IOPS for random reads, delivering ultra-low latency for database and virtualization workloads.
Q
How do I install the Lenovo 7XB7A00021 in a ThinkSystem server?
A
Insert the drive into an available 2.5" hot-swap SAS bay, ensure SAS backplane alignment, then secure the drive sled and confirm detection in the server’s RAID or storage controller management utility.
Q
Does the Lenovo 300GB 15K SAS HDD support RAID configurations?
A
Yes. This drive is certified for RAID levels 0, 1, 5, 6, 10, 50, and 60 when used with Lenovo ThinkSystem RAID controllers.
Q
What is the reliability rating of the Lenovo ThinkSystem 300GB 15K SAS drive?
A
It offers a 2 million hour Mean Time Between Failures (MTBF) rating and includes persistent write cache protection to safeguard data integrity during power loss.
Q
What is the warranty coverage for SKU 7XB7A00021?
A
Lenovo provides a three-year limited warranty with onsite repair service, covering both parts and labor when used under normal operating conditions.
Q
How do I monitor the health of this SAS HDD?
A
Use Lenovo XClarity Controller or RAID management software to monitor SMART attributes, temperature, error rates and predictive failure warnings in real time.
Q
Can I mix this 15K SAS drive with SSDs in the same chassis?
A
Yes. You can mix 2.5" SAS HDDs and SSDs in the same chassis, but performance tiers and RAID policies should be configured appropriately for each media type.
Q
What is the power consumption of the 7XB7A00021 during operation?
A
Typical active power consumption is 8.0 Watts, with idle power around 4.5 Watts, optimizing performance per Watt in data-center environments.
Q
Is this Lenovo SAS HDD hot-swappable?
A
Yes. The drive supports hot-swap operation, allowing removal and insertion without powering down the server, minimizing downtime.
Q
What ambient operating conditions are required for this HDD?
A
The drive operates reliably between 5°C to 55°C with 8% to 90% relative humidity (non-condensing) at altitudes up to 3,048 meters.
Q
How does the 512 n sector format affect storage efficiency?
A
The 512 n sector format provides broad OS and application compatibility while maximizing usable capacity within the 300 GB physical storage space.
Q
Does the drive include vibration and shock protection?
A
Yes. It features rotational vibration tolerance up to 12.5 grms and conforms to IEC shock standards, ensuring reliability in dense server deployments.
Q
Where can I purchase genuine Lenovo 7XB7A00021 drives?
A
Purchase through Lenovo’s official channels: Lenovo.com, authorized resellers, or certified distribution partners to ensure warranty and support coverage.
