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Good mid capacity drive for everyday server storage.
Lenovo 7XB7A00043 4TB 7.2K 3.5"
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Lenovo ThinkSystem 3.5" 4TB 7.2K SAS 12Gb Hot Swap 512n HDD
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Lenovo 7XB7A00043 4TB 7.2K 3.5"
- Description:
- Lenovo ThinkSystem 3.5" 4TB 7.2K SAS 12Gb Hot Swap 512n HDD
- Rating:
Added to cart 28 times recently
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- Brand:
- Lenovo
- GTIN:
- 999350938425
- Condition:
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Lenovo 7XB7A00043 4TB 7.2K 3.5" Overview
Lenovo 7XB7A00043 4TB 7.2K 3.5" is a high-performance HDD engineered for demanding storage environments. It offers a 3.5-inch form factor paired with a SATA III interface, delivering a 4TB capacity at a 7200 RPM spindle speed and a 256 MB cache, making it well suited for desktop, server, NAS, and surveillance applications.
Built to handle intensive workloads with an annual workload rating of 300 TB/yr, this drive is optimized for multi-drive systems in data centers and enterprise storage setups. Its reliable design includes efficient power consumption—rated at 8.0 Watts during read/write operations and 5.5 Watts in idle mode—and incorporates features such as vibration protection and helium sealing to help maintain consistent performance in demanding environments.
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Lenovo 7XB7A00043 4TB 7.2K 3.5" 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 210 MB/s
- Annual Workload Rating
- 300 TB/yr
- Power Consumption (Read/Write)
- 8.0 Watts
- Power Consumption (Idle)
- 5.5 Watts
- Encryption Support
- No
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- N/A
- Operating Temperature
- 5–60°C
- Product Name
- Lenovo 7XB7A00043 4TB 7.2K 3.5"
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 1.65 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| Lenovo 7XB7A00043 4TB 7.2K 3.5" |  Lenovo 7XB7A00024 300GB 10K 2.5" |  Lenovo 7XB7A00050 2TB 7.2K 3.5" |  Lenovo 4XB7A14049 Onboard SSD |  Lenovo 7XB7A00069 2.4TB 10K 2.5" | |
|---|---|---|---|---|---|
| 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 / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SAS 6Gb/s | SATA III | SATA III | SAS 6Gb/s |
| Form Factor | 3.5-inch | 2.5-inch | 3.5-inch | 2.5-inch | 2.5-inch |
| Storage Capacity | 4 TB | 300 GB | 2 TB | 1 TB | 2.4 TB |
| Spindle Speed (RPM) | 7200 RPM | 10000 RPM | 7200 RPM | N/A | 10000 RPM |
| Cache (Buffer Size) | 256 MB | 32 MB | 64 MB | N/A | 128 MB |
| Average Latency | N/A | 3 ms | N/A | N/A | N/A |
| Data Transfer Rate | Up to 210 MB/s | Up to 180 MB/s | Up to 150 MB/s | Up to 300 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 180 TB/yr | 55 TB/yr | N/A | 300 TB/yr |
| Power Consumption (Read/Write) | 8.0 Watts | N/A | 6.8 Watts | N/A | 8.5 Watts |
| Power Consumption (Idle) | 5.5 Watts | N/A | 4.5 Watts | N/A | 5 Watts |
| Encryption Support | No | No | No | No | AES 256-bit |
| Helium Sealed | Helium-Sealed | No | No | No | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Single | Single | Multi-bay |
| Vibration Protection | Yes | Yes | No | No | Yes |
| Advanced Features | N/A | N/A | N/A | N/A | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–55°C | 5–60°C |
| Product Name | Lenovo 7XB7A00043 4TB 7.2K 3.5" | Lenovo 7XB7A00024 300GB 10K 2.5" Hard Drive | Lenovo 7XB7A00050 2TB 7.2K 3.5" | Lenovo 4XB7A14049 Onboard SSD | Lenovo 7XB7A00069 2.4TB 10K 2.5" |
| Height | 1.03 inches | 0.28 inches | N/A | 0.28 inches | 0.28 inches |
| Width | 5.79 inches | 2.75 inches | N/A | 2.75 inches | 2.75 inches |
| Depth | 4.00 inches | 3.95 inches | N/A | 3.95 inches | 4.00 inches |
| Weight | 1.65 lbs | 0.65 lbs | N/A | 0.3 lbs | 0.75 lbs |
Reviews & Ratings
N
Nimra Javed
5
Stable performance with no read write issues.
C
Caleb Foster
5
Fits perfectly and works reliably in RAID.
H
Hamza Rauf
5
Solid SAS disk for business workloads.
J
Julian Moore
4
Consistent Lenovo quality and reliability.
Questions & Answers
What is the storage capacity of the Lenovo 7XB7A00043 HDD?
The Lenovo 7XB7A00043 3.5" SAS HDD provides 4TB of native storage.
Which interface does the Lenovo ThinkSystem 4TB 7.2K SAS HDD support?
It supports a 12 Gb/s Serial Attached SCSI (SAS) interface.
Is the Lenovo 4TB SAS HDD hot-swappable?
Yes, the 7XB7A00043 HDD features hot-swap capability for seamless drive replacement.
What is the spindle speed of the Lenovo 7XB7A00043 drive?
The drive operates at a spindle speed of 7,200 revolutions per minute (RPM).
What sector format does the Lenovo ThinkSystem 4TB HDD use?
It uses a 512-byte native (512n) sector format for compatibility and performance.
Which Lenovo servers are compatible with the 7XB7A00043 HDD?
It is certified for Lenovo ThinkSystem servers such as SR650, SR630, SR550 and other systems supporting 3.5" SAS drives.
Can the Lenovo 4TB SAS drive be used in RAID configurations?
Yes, the HDD is optimized for RAID and supported by Lenovo RAID controllers across multiple RAID levels.
What performance can I expect from the Lenovo ThinkSystem 4TB 7.2K SAS HDD?
It delivers sustained sequential transfer rates up to 205 MB/s for high-throughput workloads.
What is the mean time between failures (MTBF) for the Lenovo 7XB7A00043?
The drive has an MTBF rating of 2 million hours for enterprise-grade reliability.
What is the warranty period for Lenovo part number 7XB7A00043?
It is backed by Lenovo’s standard three-year limited warranty.
What are the power consumption specifications of the Lenovo 4TB SAS HDD?
Typical power consumption is 6.8 W idle and 9.8 W during active read/write operations.
How do I install the Lenovo ThinkSystem 4TB SAS HDD?
Install by sliding the drive into a compatible 3.5" hot-swap bay—no tools are required.
Does the Lenovo 7XB7A00043 support hardware encryption?
The drive itself does not include native encryption; hardware encryption can be enabled via compatible RAID controllers.
What applications and workloads is this HDD best suited for?
It is ideal for enterprise storage, virtualization, database and backup workloads requiring large capacity.
What are the physical dimensions and weight of the Lenovo 3.5" 4TB SAS HDD?
Dimensions are 26.1 × 101.6 × 147 mm, and the drive weighs approximately 640 grams.
How can I ensure I am purchasing a genuine Lenovo 7XB7A00043 HDD?
Purchase through authorized Lenovo resellers or the Lenovo online store and verify model and serial number on Lenovo’s support site.