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Midline SAS drive offered dependable performance.
761477-B21
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HPE 6TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warran...
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761477-B21
- Description:
- HPE 6TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive For Use with Gen8/Gen9 or Newer
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- Condition:
3 Year Extended Warranty
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761477-B21 Overview
761477-B21 is a HDD with a 3.5-inch form factor and a SATA III interface, operating at 7200 RPM. It offers an 8 TB capacity, a 256 MB cache, an annual workload rating of 550 TB/yr, and an MTBF of 2,000,000 hours, ensuring reliable continuous operation.
Tailored for server and NAS environments, 761477-B21 delivers 8 W power consumption under read/write conditions and 5 W during idle. Its advanced features include a helium-sealed design, vibration protection, and a dual actuator mechanism, making it ideal for data centers, desktops, NAS, and surveillance applications.
761477-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 761477-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
761477-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
- 8 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 W
- Power Consumption (Idle)
- 5 W
- 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
- 761477-B21 Enterprise HDD
- Height
- 1.02 inches
- Width
- 5.8 inches
- Depth
- 8.7 inches
- Weight
- 2.5 lbs
761477-B21 Use Case
Enterprise Tiered Storage Optimization with HPE 761477-B21 6TB 6G SAS Midline Drive
Deploy the HPE 761477-B21 6TB 6G SAS 7.2K rpm LFF SC Midline drive in a Gen8/Gen9 ProLiant tiered storage array to offload bulk data from SSD tiers. Benefit: Delivers high-capacity nearline performance, lowers cost-per-TB by 40%, and frees up premium flash resources for latency-sensitive workloads.
Automated On-Premises Backup & Disaster Recovery with HPE 6TB SAS 7.2K rpm Drive
Integrate the HPE 6TB 6G SAS midline drive into your Gen9-based backup appliance for nightly image-based backups and rapid restore. Benefit: Achieve 30% faster backup windows, support multi-TB datasets per slot, and meet RPO/RTO targets with enterprise-grade reliability.
24/7 Video Surveillance Archival on HPE Gen8/Gen9 Servers
Use the 761477-B21 6TB 6G SAS drive in HPE Gen8/Gen9 surveillance nodes to continuously record high-definition streams. Benefit: Store 90 days of 1080p footage in a single chassis, maintain consistent write performance, and simplify maintenance with HPE’s 1-year warranty.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 761477-B21 |  843270-B21 |  P09163-B21 |  819203-B21 |  793667-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 | 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 | 8 TB | 16 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 | 512 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 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 W | 8 Watts | 8.5 Watts | 8 Watts | 7.2 Watts |
| Power Consumption (Idle) | 5 W | 6 Watts | 5 Watts | 5 Watts | 5.5 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 | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | 761477-B21 Enterprise HDD | 843270-B21 16TB Enterprise HDD | P09163-B21 | 819203-B21 Enterprise HDD | 793667-B21 High Performance Enterprise HDD |
| Height | 1.02 inches | 1.03 inches | 1.02 inches | 1.03 inches | 1.03 inches |
| Width | 5.8 inches | 5.79 inches | 4.0 inches | 5.79 inches | 5.8 inches |
| Depth | 8.7 inches | 4.01 inches | 5.8 inches | 4.01 inches | 4.0 inches |
| Weight | 2.5 lbs | 1.6 lbs | 1.2 lbs | 2.1 lbs | 1.4 lbs |
Reviews & Ratings
U
Umair Siddiqui
5
Consistent throughput for backups.
J
Javier Molina
5
OEM compatibility avoided issues.
S
Shahid Ilyas
4
Good long term storage.
K
Knut Andersen
4
Stable and reliable.
Questions & Answers
What is the HPE 761477-B21 6TB SC Midline Hard Drive?
The HPE 761477-B21 is a 6TB, 6Gb/s SAS, 7,200 rpm, 3.5-inch SC Midline hard drive with a one-year warranty, optimized for HPE Gen8, Gen9 and newer ProLiant servers.
Which HPE servers are compatible with the 761477-B21 drive?
This drive is compatible with HPE ProLiant Gen8, Gen9, Gen10 and newer DL, ML and BL server series that support 6Gb/s SAS large form factor drive bays.
What interface and rotational speed does this drive use?
It uses a 6Gb/s SAS interface and spins at 7,200 rpm, delivering a balance of capacity and sequential throughput for midline workloads.
What form factor does the 761477-B21 drive have?
The drive is a Large Form Factor (3.5-inch) SC Midline unit designed to fit any HPE server with LFF SAS drive bays.