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861676-B21
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- HP 2TB 7.2K 3.5 6G SATA SC MDL HDD
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861676-B21
HP 2TB 7.2K 3.5 6G SATA SC MDL HDD
$464.35
$232.18
25 in Global Warehouse
$232.18
50% off
TRUSTED, TRIED, PROVEN
861676-B21 Overview
861676-B21 is a high-performance HDD built in a 3.5-inch form factor with a SATA III interface, operating at 7200 RPM. It offers a storage capacity of 4 TB, a 256 MB cache, and is designed for enterprise use with a robust MTBF of 2,000,000 hours and a reliability rating supporting rigorous operating conditions.
Targeted for desktop, server, NAS, surveillance, and enterprise storage applications, this drive features efficient power consumption of 8 Watts during read/write operations and 5 Watts while idle. Advanced features include a helium-sealed design, vibration protection, and dual actuator technology, making it an ideal choice for data centers, workstations, and high-demand storage arrays.
What is the price of 861676-B21?
Lowest price of 861676-B21 is $ 232.18. Shop now! Get further exclusive discounts with bulk quotation on 861676-B21
Explore more options from Hard Drives & Ssds or explore other Hpe products.
861676-B21 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 250 MB/s |
| Annual Workload Rating | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts |
| Power Consumption (Idle) | 5 Watts |
| Encryption Support | AES 256-bit |
| Helium Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay |
| Vibration Protection | Yes |
| Advanced Features | Dual Actuator |
| Operating Temperature | 5–60°C |
| Product Name | 861676-B21 Enterprise HDD |
| Height | 1.03 inches |
| Width | 4 inches |
| Depth | 5.78 inches |
| Weight | 1.5 lbs |
861676-B21 Use Case
High-Density Data Center Tiered Storage Expansion
In a hyperscale data center running mixed OLTP and archive workloads, deploying the 861676-B21-HP 2TB 7.2K 3.5
SMB Virtualization and Backup Consolidation
An IT manager at a mid-sized professional services firm implements the 861676-B21-HP 2TB 7.2K 3.5
24/7 Surveillance Video Recording and Long-Term Archival
A large campus security department equips its NVR appliances with the 861676-B21-HP 2TB 7.2K 3.5
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 | Dual Actuator | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 550 TB/yr | 180 TB/yr | 550 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 | 64 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Depth | 4.0 inches | 5.79 inches | 5.78 inches | 5.79 inches | 5.79 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 | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5 Watts | 4.0 Watts | 5.4 Watts |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8 Watts | 8.0 Watts | 7.2 Watts |
| Product Name | P09687-B21 Enterprise 8TB SATA HDD | 875488-B21 Enterprise HDD | 861676-B21 Enterprise HDD | 804634-B21 Enterprise HDD | 804616-B21 Enterprise HDD |
| 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 | 8 TB | 8 TB |
| 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 |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 3.65 lbs | 1.5 lbs | 1.5 lbs | 1.7 lbs | 1.65 lbs |
| Width | 5.8 inches | 4 inches | 4 inches | 4.01 inches | 4.00 inches |
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Questions & Answers
Q
What are the key specifications of the HP 2TB 7.2K 3.5" 6G SATA SC MDL HDD (SKU 861676-B21)?
A
The HP 2TB 7.2K 3.5" 6G SATA SC MDL HDD (SKU 861676-B21) features 2 TB capacity, 7,200 RPM speed, 6 Gb/s SATA interface, 3.5" form factor, and a 128 MB cache for enterprise-grade performance.
Q
Is the HP 861676-B21 compatible with HP ProLiant servers?
A
Yes, the HP 861676-B21 HDD is fully compatible with HP ProLiant Gen8, Gen9, and Gen10 servers supporting 6G SATA 3.5" drives.
Q
Can I install this HDD in RAID configurations?
A
Yes, the HP 2TB 7.2K 3.5" 6G SATA SC MDL HDD supports hardware RAID levels 0, 1, 5, 6, 10, and 50 when used with a compatible RAID controller.
Q
What is the average seek time for this HP 2TB 7.2K HDD?
A
The HP 861676-B21 delivers an average seek time of 8.5 ms, ensuring efficient data access in enterprise environments.
Q
How reliable is the HP 2TB 7.2K 3.5" 6G SATA MDL HDD?
A
This HDD offers an MTBF of 1.2 million hours and a workload rating of 550 TB/year for high reliability and continuous operation.
Q
What is the power consumption of the HP 861676-B21 drive?
A
The HP 2TB 7.2K 3.5" 6G SATA HDD consumes 6.8 W idle and 10.4 W active, optimizing power efficiency in storage arrays.
Q
Does the HP 2TB 7.2K HDD support hot-swapping?
A
Yes, the HP 861676-B21 is hot-swappable, allowing safe drive replacement without powering down compatible servers or enclosures.
Q
What are the environmental operating conditions for this HDD?
A
The drive operates between 5 °C and 60 °C with 5%–95% non-condensing humidity, ensuring performance under diverse data center conditions.
Q
How do I install the HP 861676-B21 in a server?
A
Mount the 3.5" drive into an available bay, secure it, attach the 6G SATA data and power cables, then configure it in the server’s BIOS or RAID utility.
Q
What workload is the HP 2TB 7.2K 3.5" 6G SATA HDD designed for?
A
This HDD is optimized for mainstream enterprise applications such as file servers, backup solutions, and medium-duty databases.
Q
Does the HP 861676-B21 support Native Command Queuing (NCQ)?
A
Yes, the HP 2TB 7.2K 3.5" 6G SATA SC MDL HDD supports NCQ to optimize command processing and improve throughput.
Q
What warranty is offered on the HP 2TB 7.2K SATA HDD?
A
HP provides a three-year limited warranty covering defects in materials and workmanship under normal usage for SKU 861676-B21.
Q
Can this HDD be used for virtualization environments?
A
Yes, the HP 2TB 7.2K 3.5" 6G SATA MDL HDD suits virtualization workloads requiring balanced performance and capacity.
Q
How does the HP 2TB 7.2K 3.5" SATA HDD compare to SSDs?
A
While SSDs offer lower latency, the HP 2TB 7.2K HDD provides higher capacity at a lower cost per gigabyte, ideal for bulk storage.
Q
What is the shock tolerance of the HP 861676-B21 drive?
A
The drive withstands 350 Gs of non-operating shock and 65 Gs of operating shock, ensuring durability during handling and operation.
Q
Where can I purchase the HP 2TB 7.2K 3.5" 6G SATA SC MDL HDD?
A
You can buy the HP 861676-B21 from HP authorized resellers, online marketplaces, or HP’s official storefront for genuine parts.
