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861683-B21
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- 4TB SATA 6G 7200 RPM 3.5IN LFF MDL LP HDD PL=SI
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861683-B21
4TB SATA 6G 7200 RPM 3.5IN LFF MDL LP HDD PL=SI
$739.00
$245.00
21 in Global Warehouse
$245.00
67% off
TRUSTED, TRIED, PROVEN
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.
What is the price of 861683-B21?
Lowest price of 861683-B21 is $ 245.00. Shop now! Get further exclusive discounts with bulk quotation on 861683-B21
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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
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| Advanced Features | Dual Actuator | Dual Actuator | Rotational Vibration Sensors | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 550 TB/yr | 180 TB/yr | 300 TB/yr | 300 TB/yr | 550 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 128 MB | 128 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Depth | 4.0 inches | 4 inches | 4 in | 4.01 inches | 4.01 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1 inches | 1 in | 1.02 inches | 1.03 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | No | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SAS 12Gb/s | SATA III | SAS 12Gb/s |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C | 5–60°C |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 6 Watts | 4 Watts | 5.2 Watts |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 9 Watts | 8 Watts | 8.5 Watts |
| Product Name | P09687-B21 Enterprise 8TB SATA HDD | 858596-B21 | 861683-B21 Enterprise Performance HDD | 843266-B21 4TB Desktop HDD | 857648-B21 Enterprise Series SAS Hard Drive |
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Storage Capacity | 8 TB | 4 TB | 4 TB | 4 TB | 4 TB |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 3.65 lbs | 2.2 lbs | 2.2 lbs | 1.5 lbs | 3.64 lbs |
| Width | 5.8 inches | 5.8 inches | 5.8 in | 5.79 inches | 5.79 inches |
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Questions & Answers
Q
What is the storage capacity of the 861683-B21 HDD?
A
The 861683-B21 HDD offers 4 TB of raw storage capacity, ideal for bulk data, backups, and high-density archiving.
Q
Which interface does the 861683-B21 use?
A
It uses a SATA 6 Gb/s interface, ensuring fast data transfer rates and broad compatibility with modern motherboards and controllers.
Q
What is the rotational speed of this hard drive?
A
The drive spins at 7,200 RPM, delivering a balanced mix of performance and reliability for enterprise workloads.
Q
What form factor is the 861683-B21 HDD?
A
This model is a 3.5-inch LFF (large form factor) drive, commonly used in desktop servers and high-capacity storage arrays.
Q
Is the 861683-B21 compatible with RAID configurations?
A
Yes. It supports hardware RAID arrays and integrates seamlessly with common RAID controllers for redundancy and performance.
Q
Does this drive support Native Command Queuing (NCQ)?
A
Yes. NCQ optimizes command execution order, reducing latency and improving throughput under multi-threaded workloads.
Q
What is the mean time between failures (MTBF) of the drive?
A
The 861683-B21 is rated for a 1.2 million-hour MTBF, reflecting enterprise-grade reliability and long service life.
Q
What is the average latency for read/write operations?
A
With a 7,200 RPM spindle speed, average rotational latency is approximately 4.17 ms, providing predictable performance.
Q
What are the drive’s power consumption characteristics?
A
Typical operating power is 7.2 W, with idle power around 5 W, enabling energy-efficient operation in dense server environments.
Q
What operating temperature range is supported?
A
The drive operates reliably between 5 °C and 55 °C and can be stored between –40 °C and 70 °C for safe handling.
Q
Is the 861683-B21 hot-swappable?
A
Yes. Designed for enterprise enclosures, it supports hot-swap insertion and removal without system downtime.
Q
What error recovery controls are included?
A
It features Time-Limited Error Recovery (TLER) to prevent drives from dropping out of RAID arrays during extended error correction.
Q
How do I install the 861683-B21 in my server?
A
Mount the 3.5″ drive in a compatible tray, connect the SATA data and power cables, then configure it in your system’s firmware or OS.
Q
Does the drive include a manufacturer warranty?
A
Yes. It ships with a standard 3-year limited warranty, covering defects in materials and workmanship.
Q
What performance can I expect under sequential workloads?
A
You can achieve sustained sequential read/write speeds up to 200 MB/s, depending on host configuration and workload patterns.
Q
How can I monitor the health of the 861683-B21?
A
Use SMART monitoring via your server’s management utility to track drive attributes, temperature, and error counts in real time.
