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Q8S86A
HPE SGI 1TB NVMe x4 RI SFF DS SSD
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Q8S86A is a high-performance HDD engineered with a 3.5-inch form factor and a SATA III interface, delivering a 4 TB capacity with a spindle speed of 7200 RPM and 256 MB of cache to support demanding workloads. Its robust design features a rated annual workload of 300 TB/yr, reliable performance with energy-efficient power consumption (8 W during read/write operations and 5 W in idle mode), and is built for high-reliability environments.
This drive also includes advanced capabilities such as a helium-sealed construction, dual actuator technology, and comprehensive vibration protection, making it an ideal solution for NAS, desktops, and surveillance systems in data centers and enterprise settings.
Q8S86A price is is available on request. Get immediate quote.
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| Q8S86A |  831735-B21 |  791034-B21 |  875317-B21 |  765455-B21 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | NAS | 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 | 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 | 4 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 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 | 300 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 8 W | 8.0 Watts | 8 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5 W | 4.0 Watts | 5 Watts | 4 Watts | 4 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | No | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | No | 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 | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | Q8S86A Enterprise 4TB HDD | 831735-B21 HDD Enterprise Drive | 791034-B21 Enterprise HDD | 875317-B21 Enterprise SATA HDD | 765455-B21 |
| Height | 1.02 inches | 1.05 inches | 1.03 inches | 1.63 inches | 1.03 inches |
| Width | 5.8 inches | 5.8 inches | 4.01 inches | 5.79 inches | 4 inches |
| Depth | 4 inches | 4.0 inches | 5.79 inches | 4.00 inches | 5.79 inches |
| Weight | 1.5 lbs | 3.5 lbs | 2.1 lbs | 1.55 lbs | 2.2 lbs |
Excellent NVMe read performance in our SGI nodes. Latency dropped immediately and stability has been flawless under analytics workloads.
Installed cleanly and recognized instantly. Consistent throughput during heavy reads.
Fast, predictable NVMe behavior. Ideal for data-intensive applications.
Rock-solid RI SSD for SGI platforms. No firmware issues.
Delivers the performance we expected from NVMe. Reliable in production.
The HPE SGI 1TB NVMe x4 RI SFF DS SSD (Q8S86A) is a 1 TB enterprise-grade solid-state drive featuring a PCIe Gen3 x4 NVMe interface and small form factor dual-port connector for high-performance storage.
It uses a PCIe Gen3 x4 NVMe interface in a small form factor (SFF) dual-port drive module designed for direct-attached storage.
The drive delivers up to 3 200 MB/s sequential read and 1 800 MB/s sequential write for accelerated data access.
The Q8S86A SSD is validated for HPE ProLiant DL and Apollo series servers with NVMe-enabled backplanes and supported firmware releases.
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