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Trevor Lane
5
High capacity SAS drive handled large datasets well.
861683-B21
4TB SATA 6G 7200 RPM 3.5IN LFF MDL LP HDD PL=SI
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Name:
861683-B21
- Description:
- 4TB SATA 6G 7200 RPM 3.5IN LFF MDL LP HDD PL=SI
- Rating:
Added to cart 28 times recently
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- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$739.00
- Price:
$245.0066.8% off
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1
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861683-B21 Overview
861683-B21 is a high-performance HDD engineered in a 3.5-inch form factor that utilizes the SAS 12Gb/s interface to deliver enterprise-class storage capabilities. This drive spins at 7200 RPM and provides a storage capacity of 4 TB with a 128 MB cache buffer, making it suitable for sustained data loads with an annual workload rating of 300 TB/yr and an MTBF of 2,000,000 hours rated for continuous 24/7 operation.
861683-B21 is optimized for demanding enterprise storage environments, featuring low power consumption of 9 Watts during read/write operations and 6 Watts when idle. Although not helium-sealed, it comes equipped with rotational vibration sensors for robust vibration protection, making it an ideal choice for multi-bay configurations in data centers, desktops, NAS systems, and surveillance applications.
861683-B21 price is $245.00, a 66.8% saving from the Hpe list price of $739.00. 861683-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 861683-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
861683-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Enterprise Storage
- Interface
- SAS 12Gb/s
- Form Factor
- 3.5-inch
- Storage Capacity
- 4 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 128 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 250 MB/s
- Annual Workload Rating
- 300 TB/yr
- Power Consumption (Read/Write)
- 9 Watts
- Power Consumption (Idle)
- 6 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- No
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Rotational Vibration Sensors
- Operating Temperature
- 5–55°C
- Product Name
- 861683-B21 Enterprise Performance HDD
- Height
- 1 in
- Width
- 5.8 in
- Depth
- 4 in
- Weight
- 2.2 lbs
861683-B21 Use Case
High-Density Enterprise Virtualization Storage with 861683-B21-4TB SATA 6G 7200 RPM HDD
In a VMware ESXi data center, IT architects deploy the 861683-B21-4TB SATA 6G 7200 RPM 3.5″ LFF HDD to expand VM storage capacity by 4 TB per bay. Its 6 Gb/s interface and 7200 RPM spindle speed deliver consistent I/O for mixed workloads while reducing rack footprint by 30 %. Benefit: Scales virtual machine density cost-effectively, lowers TCO, and improves storage utilization by up to 25 %.
Reliable Backup & Archival for SMB NAS with 861683-B21-4TB SATA 6G HDD
Small and medium businesses integrate the 861683-B21-4TB SATA 6G 7200 RPM 3.5″ LFF HDD into their network-attached storage appliances to automate nightly backups and long-term archives. The low-power design reduces energy draw by 15 %, while enterprise-grade reliability ensures 99.9 % data availability. Benefit: Streamlines backup workflows, minimizes operating costs, and ensures compliance-ready data protection.
High-Throughput RAID Storage for 4K Media Editing with 861683-B21-4TB SATA 6G HDD
Video production studios configure the 861683-B21-4TB SATA 6G 7200 RPM 3.5″ LFF HDD in RAID 0/5 arrays to support multi-stream 4K editing and rendering. The 6 Gb/s throughput and sustained 210 MB/s sequential performance enable real-time playback and accelerated encoding. Benefit: Delivers smooth multi-camera editing, cuts rendering time by 40 %, and provides a reliable high-bandwidth storage solution.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 861683-B21 |  843266-B21 |  858596-B21 |  857648-B21 |  P09687-B21 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | 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 | SAS 12Gb/s | SATA III | SATA III | SAS 12Gb/s | 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 | 4 TB | 4 TB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 128 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 210 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 300 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 9 Watts | 8 Watts | 8 Watts | 8.5 Watts | 8 Watts |
| Power Consumption (Idle) | 6 Watts | 4 Watts | 5 Watts | 5.2 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Helium Sealed | No | 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 861683-B21 Enterprise Performance HDD | 843266-B21 4TB Desktop HDD | 858596-B21 | 857648-B21 Enterprise Series SAS Hard Drive | P09687-B21 Enterprise 8TB SATA HDD |
| Height | 1 in | 1.02 inches | 1 inches | 1.03 inches | 1.03 inches |
| Width | 5.8 in | 5.79 inches | 5.8 inches | 5.79 inches | 5.8 inches |
| Depth | 4 in | 4.01 inches | 4 inches | 4.01 inches | 4.0 inches |
| Weight | 2.2 lbs | 1.5 lbs | 2.2 lbs | 3.64 lbs | 3.65 lbs |
Reviews & Ratings
S
Shahid Hussain
4
Stable throughput for enterprise storage.
R
Ramon Ortiz
5
Easy integration with Gen9 servers.
I
Imtiaz Ali
3
Reliable long term operation.
H
Hans Muller
4
Good capacity upgrade.
Questions & Answers
What is the storage capacity of the 861683-B21 HDD?
The 861683-B21 HDD offers 4 TB of raw storage capacity, ideal for bulk data, backups, and high-density archiving.
Which interface does the 861683-B21 use?
It uses a SATA 6 Gb/s interface, ensuring fast data transfer rates and broad compatibility with modern motherboards and controllers.
What is the rotational speed of this hard drive?
The drive spins at 7,200 RPM, delivering a balanced mix of performance and reliability for enterprise workloads.
What form factor is the 861683-B21 HDD?
This model is a 3.5-inch LFF (large form factor) drive, commonly used in desktop servers and high-capacity storage arrays.