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761477-B21
HPE 6TB 6G SAS 7.2K rpm LFF (3.5-inch) SC Midline 1yr Warran...
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
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.
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.
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.
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.
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| 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 |
| 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 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Midline SAS drive offered dependable performance.
Consistent throughput for backups.
OEM compatibility avoided issues.
Good long term storage.
Stable and reliable.
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.
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.
It uses a 6Gb/s SAS interface and spins at 7,200 rpm, delivering a balance of capacity and sequential throughput for midline workloads.
The drive is a Large Form Factor (3.5-inch) SC Midline unit designed to fit any HPE server with LFF SAS drive bays.
The drive provides 6TB of raw storage capacity, making it ideal for bulk data storage, backup and archive applications.
HPE backs this drive with a one-year limited warranty covering defects in materials and workmanship, with optional extension through HPE Care Pack services.
Midline SC drives offer higher capacity at a lower cost per gigabyte, targeting sequential workloads, while Enterprise drives focus on higher sustained IOPS and enhanced durability.
Yes, the drive supports hot-swapping, allowing you to insert or remove it without shutting down the host system, provided your server and controller support hot-plug functionality.
Yes, it is backward-compatible with HPE Gen10 and newer ProLiant servers that support 6Gb/s SAS and 3.5-inch form factor drives.
Insert the drive into an available HPE LFF SAS bay until it clicks, then verify detection in HPE Integrated Lights-Out (iLO) or the Smart Storage Administrator.
Typical sequential throughput reaches up to 241 MB/s, with around 80–100 IOPS under midline workload conditions.
It excels in sequential and streaming workloads such as backups, archives, media libraries and general capacity-centric applications.
The drive features a Mean Time Between Failures (MTBF) rating of 1.2 million hours for reliable midline storage performance.
Use HPE Integrated Lights-Out (iLO) or the Smart Storage Administrator to monitor drive health, temperature, SMART attributes and predictive failure alerts.
Yes, you can configure it in RAID levels 0, 1, 5, 6, 10 and more via HPE Smart Array controllers for redundancy and performance.
Firmware updates and driver packages are available on the HPE Support Center website by searching for part number 761477-B21 or ‘HPE Midline SAS HDD’.
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