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Jason Wilcox
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Helium SAS drive handled large datasets smoothly.
793699-B21
HPE 6TB SAS 12G Midline 7.2K LFF (3.5in) SC 1yr Warranty Hel...
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793699-B21
- Description:
- HPE 6TB SAS 12G Midline 7.2K LFF (3.5in) SC 1yr Warranty Helium 512e HDD
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793699-B21 Overview
793699-B21 is a high-performance HDD designed for demanding enterprise and data center environments. This 3.5-inch drive utilizes a SATA III interface and spins at 7200 RPM, offering a robust 4 TB storage capacity with a generous 256 MB cache. It is engineered to handle heavy workloads with an annual workload rating of 180 TB/yr and features an MTBF that supports 24/7 operation, ensuring the reliability needed for continuous use.
Optimized for a variety of applications including desktops, servers, NAS, and surveillance systems, 793699-B21 delivers excellent performance while keeping power consumption low at 6.2 Watts during read/write operations and 3.5 Watts at idle. Advanced design features such as helium-sealed construction, vibration protection, and dual actuator technology make it ideal for high-vibration environments and critical storage applications in data centers and enterprise settings.
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Request bulk order quote for 793699-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
793699-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 210 MB/s
- Annual Workload Rating
- 180 TB/yr
- Power Consumption (Read/Write)
- 6.2 Watts
- Power Consumption (Idle)
- 3.5 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
- 793699-B21
- Height
- 1.03 inches
- Width
- 5.75 inches
- Depth
- 3.98 inches
- Weight
- 1.5 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 793699-B21 |  P07924-B21 |  833926-B21 |  846510-B21 |  816923-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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | 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 | 8 TB | 10 TB | 8 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 128 MB |
| Average Latency | N/A | N/A | N/A | 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 210 MB/s |
| Annual Workload Rating | 180 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 6.2 Watts | 10 Watts | 8.5 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 3.5 Watts | 5 Watts | 6.5 Watts | 5 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | 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 | Dual Actuator | Dual Actuator | Rotational Vibration Sensors | Dual Actuator | Rotational Vibration Sensors |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 793699-B21 | P07924-B21 Enterprise He-Sealed HDD | HGST Ultrastar 10TB Enterprise HDD | 846510-B21 | 816923-B21 Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.75 inches | 5.79 inches | 4.00 inches | 5.79 inches | 5.79 inches |
| Depth | 3.98 inches | 4.00 inches | 5.78 inches | 4.01 inches | 4.0 inches |
| Weight | 1.5 lbs | 2.2 lbs | 1.90 lbs | 1.8 lbs | 2.0 lbs |
Reviews & Ratings
F
Farhan Malik
5
Stable throughput for backups.
I
Igor Petrov
5
No firmware issues experienced.
S
Salim Akhtar
5
Good enterprise HDD choice.
R
Risto Leino
5
Predictable performance.
Questions & Answers
What is the storage capacity of the HPE 793699-B21 Helium HDD?
The HPE 793699-B21 Helium HDD delivers 6 TB of usable storage capacity.
Which interface does the HPE 6TB SAS 12G Midline HDD use?
This drive uses a dual-port 12 Gb/s SAS interface for high-speed data transfer and redundancy.
What is the form factor of the HPE 793699-B21 HDD?
The HDD is a 3.5-inch large form factor (LFF) drive designed for standard server and storage bays.
What rotational speed does the HPE Midline Helium HDD support?
It spins at 7,200 RPM to balance performance and power efficiency in midline storage environments.
What advanced technology features are included in this drive?
It is helium-sealed with 512e sector emulation and SmartCarrier for enhanced capacity, reliability, and management.
What sector size does the HPE 6TB SAS HDD use?
The drive uses 512e sector technology, emulating 512-byte sectors on a 4 K native layout for broad compatibility.
What warranty comes with the HPE 793699-B21 HDD?
HPE backs this HDD with a one-year limited warranty covering defects in materials and workmanship.
What is the ideal use case for the HPE 6TB Midline Helium HDD?
It’s ideal for midline applications such as backup, archiving, and bulk storage in data centers.
Which HPE systems are compatible with SKU 793699-B21?
This drive is certified for HPE ProLiant servers and storage arrays including MSA, P2000, D3000, and Apollo systems.
Can the HPE 6TB SAS 12G Helium drive be used in RAID configurations?
Yes, the dual-port SAS interface supports integration into hardware RAID arrays for high availability.
What is the typical power consumption of this HPE HDD?
Typical power draw is 7.8 W during active use and 6.4 W in idle state, optimizing energy efficiency.
What is the mean time between failures (MTBF) for the HPE Helium drive?
The drive is rated for a 2 million-hour MTBF, ensuring robust reliability for enterprise workloads.
How do I install the HPE 793699-B21 HDD in my server?
Slide the HDD with its SmartCarrier into a compatible hot-plug bay until it clicks, then secure it per chassis instructions.
Does the HPE 6TB Helium HDD include a SmartCarrier?
Yes, it ships with an HPE SmartCarrier that displays drive health, activity, and identification LEDs.
How does helium technology improve HDD performance?
Helium reduces internal turbulence, lowering friction and power consumption while enabling higher platter density.
What is the difference between 512e and 4K native on this HPE drive?
512e emulates 512-byte sectors on a 4 KB native layout, providing legacy OS compatibility without sacrificing capacity.
Is the HPE 6TB SAS 12G Midline HDD hot-swappable?
Yes, the drive supports hot-swapping in compatible HPE enclosures for non-disruptive replacements.