United States$5,000,000+
Inventory Delivered By
J
James Holloway
5
Dependable SATA drive for secondary storage and archiving.
861752-B21
HPE 4TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Wty 512e HDD
FEATURED DEAL
Name:
861752-B21
- Description:
- HPE 4TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Wty 512e HDD
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$798.20
- Price:
$271.3966% off
Quantity:
1
Business price:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
861752-B21 Overview
861752-B21 is a high-performance HDD built in a 3.5-inch form factor featuring a SATA III interface and a 7200 RPM spindle speed. It offers a 4 TB storage capacity with a 256 MB cache, making it a dependable solution for high-demand enterprise storage systems.
Engineered for robust environments, the drive is rated with an annual workload of 550 TB/yr and is designed to meet rigorous reliability standards with a rated lifespan exceeding 1,200,000 hours per drive. With advanced features including helium-sealed construction, vibration protection, and dual actuator technology, along with efficient power consumption of 8 Watts during read/write operations and 5 Watts in idle mode, 861752-B21 is ideally suited for data centers, desktops, NAS, and surveillance applications.
861752-B21 price is $271.39, a 66% saving from the Hpe list price of $798.20. 861752-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 861752-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
861752-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- 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
- 5–55°C
- Product Name
- 861752-B21 Enterprise HDD
- Height
- 1.03
- Width
- 4.00
- Depth
- 5.79
- Weight
- 3.25
861752-B21 Use Case
Edge Video Surveillance Bulk Storage for Retail Chains
A national retail chain deploys HPE ProLiant DL380 servers with 861752-B21-HPE 4TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Wty 512e HDD to record continuous 1080p video from hundreds of in-store cameras. The high-capacity, sequential I/O architecture delivers reliable 24/7 writes while reducing per-TB cost by 30%, ensuring compliant video retention and rapid retrieval for loss prevention and audit support.
Cold Data Archive in HPE StoreOnce Backup Systems
An enterprise IT department integrates 861752-B21-HPE 4TB SATA 6G Midline drives into HPE StoreOnce appliances to offload year-old backup snapshots and regulatory archives. With 7.2K RPM performance optimized for sequential reads/writes and proven HPE compatibility, the solution lowers total cost of ownership by 25% and accelerates restore times, meeting compliance SLAs without over-provisioning high-cost SSD tiers.
Secondary VM Storage for SMB Virtualization
A mid-sized professional services firm scales its VMware cluster by adding an HPE ProLiant server populated with 861752-B21-HPE 4TB SATA 6G Midline HDDs as secondary datastores for dev/test and file-share VMs. The balance of large capacity, consistent 7.2K RPM throughput, and HPE Factory Express integration delivers predictable performance, 40% lower acquisition cost versus enterprise SAS, and seamless expansion as project workloads grow.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 861752-B21 |  846528-B21 |  818367-B21 |  P04529-B21 |  881779-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 | Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SAS 12Gb/s |
| 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) | 256 MB | 256 MB | 256 MB | 128 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 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 180 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 7.5 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 4 Watts | 4 Watts | 5 Watts | 6 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | No | AES 256-bit |
| Helium Sealed | Helium-Sealed | 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 | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Rotational Vibration Sensors |
| Operating Temperature | 5–55°C | 5–55°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 861752-B21 Enterprise HDD | 846528-B21 | 818367-B21 4TB Helium Sealed Desktop HDD | P04529-B21 | 881779-B21 Enterprise Series SAS Hard Drive |
| Height | 1.03 | 1.0 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4.00 | 5.8 inches | 5.79 inches | 5.78 inches | 5.79 inches |
| Depth | 5.79 | 5.8 inches | 4.01 inches | 8.37 inches | 4.00 inches |
| Weight | 3.25 | 2.2 lbs | 1.6 lbs | 1.8 lbs | 2.0 lbs |
Reviews & Ratings
A
Ahmed Noman
5
Consistent speeds and quiet operation.
L
Lucas Meyer
5
Good capacity upgrade with no compatibility issues.
F
Fahad Iqbal
5
Works well for non critical workloads.
T
Tomas Eriksson
5
Reliable midline HDD.
Questions & Answers
What is the storage capacity of the HPE 861752-B21 HDD?
The HPE 861752-B21 hard drive offers 4TB of storage capacity, ideal for large data sets and backup applications.
Which interface does the HPE 861752-B21 use?
This HPE 4TB Midline HDD uses a SATA 6Gb/s interface for reliable data transfer and broad server compatibility.
What is the rotational speed of the HPE 861752-B21 drive?
The drive spins at 7,200 RPM, balancing performance and energy efficiency for midline storage workloads.
What form factor is the HPE 861752-B21?
The HPE 861752-B21 is a large form factor (LFF) 3.5-inch hard drive, designed for standard rack and tower servers.
Is the HPE 861752-B21 hot-swappable?
Yes. The HPE 861752-B21 is hot-pluggable, allowing safe drive replacement without powering down your server.
What does 512e sector format mean for this HDD?
512e indicates the drive emulates 512-byte sectors on a native 4K physical sector, ensuring compatibility with legacy operating systems.
Which HPE servers are compatible with the 861752-B21?
This midline drive is compatible with HPE ProLiant Gen8, Gen9, Gen10 and select Apollo and Synergy servers.
What warranty does the HPE 861752-B21 include?
The HPE 861752-B21 comes with a one-year limited warranty backed by HPE’s global support network.
What is the typical use case for the HPE 4TB Midline HDD?
It’s optimized for secondary storage tasks such as backups, archiving and nearline storage in data centers.
How do I install the HPE 861752-B21 in my server?
Slide the LFF drive into an available SATA bay or caddy on your HPE server, secure it and allow the system BIOS to recognize it.
What is the Mean Time Between Failures (MTBF) for this HDD?
The MTBF for the HPE 861752-B21 is rated at 1.2 million hours, ensuring reliable operation in enterprise environments.
How does the HPE 861752-B21 compare to enterprise HDDs?
Midline HDDs like the 861752-B21 offer lower cost per gigabyte than enterprise drives, with slightly lower workload ratings and performance.
Can I use the HPE 861752-B21 in RAID configurations?
Yes. This drive supports standard SATA RAID arrays when paired with an HPE Smart Array controller.
What cooling and power requirements does this HDD have?
The HPE 861752-B21 consumes up to 6.8W during read/write and requires standard server airflow to maintain optimal temperatures.
Where can I purchase genuine HPE 861752-B21 drives?
Authorized HPE resellers, the HPE Store and certified channel partners sell genuine HPE 861752-B21 hard drives.
How do I verify the firmware version on my HPE 861752-B21?
Use the HPE Smart Storage Administrator or server BIOS utility to view detailed drive information, including firmware revision.