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HP 600GB 10K SAS drive provided fast response times.
781516-B21
HP 600GB 12G SAS 10K rpm SFF (2.5-inch) SC Enterprise 3yr Wa...
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Name:
781516-B21
- Description:
- HP 600GB 12G SAS 10K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive For Use with Gen8/Gen9 or Newer
- Rating:
Added to cart 28 times recently
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- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$551.35
- Price:
$220.5460% off
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781516-B21 Overview
781516-B21 is a high-performance HDD designed in a 3.5-inch form factor with a SATA III interface, delivering 4 TB of storage capacity, a spindle speed of 7200 RPM, and a 64 MB cache. It is engineered for relentless operation with an MTBF of 1,000,000 hours and is rated for 8,760 hours per year, ensuring reliable service in demanding environments.
This drive features low power consumption with 8 Watts during read/write operations and 5 Watts when idle. With AES 256-bit encryption support, helium-sealed construction, and vibration protection, 781516-B21 is ideally suited for data centers, desktops, NAS systems, and surveillance applications.
781516-B21 price is $220.54, a 60% saving from the Hpe list price of $551.35. 781516-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 781516-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
781516-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)
- 64 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 210 MB/s
- Annual Workload Rating
- 180 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
- N/A
- Operating Temperature
- 5–55°C
- Product Name
- 781516-B21 4TB Enterprise HDD
- Height
- 1.03 inches
- Width
- 5.8 inches
- Depth
- 4.0 inches
- Weight
- 1.5 lbs
781516-B21 Use Case
Accelerate Mission-Critical OLTP on HP ProLiant Gen8/Gen9 Servers
Deploy the HP 781516-B21 600GB 12G SAS 10K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive in a ProLiant Gen8/Gen9 host running Microsoft SQL Server for high-volume transaction processing. Benefit: Reduces I/O wait times by 25%, delivers sub-5 ms latency and sustains 150,000 IOPS, ensuring consistent transaction throughput and near-zero downtime for financial or e-commerce platforms.
Scale VMware vSphere Virtual Desktop Infrastructure
Integrate the HP 781516-B21 600GB 12G SAS 10K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive into Gen8/Gen9 blade servers to power VMware vSphere VDI deployments. Benefit: Supports high IOPS density with steady 200 MB/s throughput per drive, enabling up to 120 concurrent desktops per chassis and delivering smooth multimedia performance under heavy user loads.
Optimize Real-Time Big Data Analytics in Hybrid Cloud
Use the HP 781516-B21 600GB 12G SAS 10K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive within HP Gen8/Gen9 servers for Hadoop or Spark clusters in a hybrid cloud setup. Benefit: Ensures sustained 500 MB/s sequential throughput and under 10 ms random access times, accelerating data processing by 30% and enabling rapid insights from large-scale datasets.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 781516-B21 |  802891-B21 |  652749-B21 |  Q2T63A |  605835-B21 | |
|---|---|---|---|---|---|
| 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 | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SAS 12Gb/s | SATA III | 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 | 10 TB | 10 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 64 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| Average Latency | N/A | N/A | 4.16 ms | N/A | N/A |
| Data Transfer Rate | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8.5 Watts | 8.5 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 6.0 Watts | 6.0 Watts | 6 Watts |
| Encryption Support | AES 256-bit | No | AES 256-bit | AES 256-bit | 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 | N/A | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–55°C | 5–60°C |
| Product Name | 781516-B21 4TB Enterprise HDD | 802891-B21 High-Performance HDD | 652749-B21 Enterprise 10TB Helium-Sealed HDD | Q2T63A 10TB Enterprise HDD | 605835-B21 Enterprise HDD |
| Height | 1.03 inches | 1 inch | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.8 inches | 5.8 inches | 5.79 inches | 5.79 inches | 5.79 inches |
| Depth | 4.0 inches | 4 inches | 7.25 inches | 4.00 inches | 4.00 inches |
| Weight | 1.5 lbs | 2.2 lbs | 2.2 lbs | 2.2 lbs | 1.60 lbs |
Reviews & Ratings
S
Sana Mir
4
Reliable performance in production servers.
Y
Yusuf Demir
5
Good thermal behavior under load.
I
Imran Latif
3
Perfect fit for Gen8 systems.
R
Rachel Moore
4
Very dependable drive.
Questions & Answers
What is the storage capacity of the HP 781516-B21 hard drive?
The HP 781516-B21 (600GB 12G SAS 10K rpm SFF) hard drive provides 600GB of usable capacity.
Which interface does the HP 781516-B21 drive use?
This drive uses a 12Gb/s SAS interface for high-speed, enterprise-grade connectivity.
What is the rotational speed of the HP 781516-B21 drive?
The HP 781516-B21 operates at 10,000 RPM, ensuring low latency and consistent performance.
What form factor is the HP 781516-B21 hard drive?
The HP 781516-B21 is a 2.5-inch (SFF) hard drive designed for space-efficient server bays.