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Simon Grant
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256GB PCIe M.2 kit was easy to deploy.
862159-B21
HPE 256GB PCIe M.2 2280 SSD Kit
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862159-B21
- Description:
- HPE 256GB PCIe M.2 2280 SSD Kit
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862159-B21 Overview
862159-B21 is a HDD engineered in a 3.5-inch form factor featuring a SATA III interface, a robust 7200 RPM spindle speed, and an 8 TB storage capacity. This drive is equipped with a 256 MB cache, an annual workload rating of 180 TB/yr, and an MTBF rated at 1,000,000 hours, making it highly reliable for desktop, server, NAS, and surveillance applications.
Optimized for performance and efficiency, 862159-B21 delivers a power consumption of approximately 8 Watts during read/write operations and 5 Watts when idle. Its advanced design includes helium-sealed technology, integrated vibration protection, and dual actuator support, ensuring dependable performance for data centers, desktops, NAS systems, and surveillance environments.
862159-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 862159-B21 for additional pricing. Browse the full Hpe Server M.2&Pcie Hard Drives series or explore all Hpe products.
862159-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance
- 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
- 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
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- 862159-B21 High Performance HDD
- Height
- 1.03 inches
- Width
- 4.00 inches
- Depth
- 5.78 inches
- Weight
- 2.20 lbs
862159-B21 Use Case
Boot Acceleration with HPE 256GB PCIe M.2 2280 SSD Kit
In a mid-size enterprise data center, IT teams deploy the HPE 256GB PCIe M.2 2280 SSD Kit as a dedicated OS and boot volume in ProLiant Gen10 servers, reducing system startup times by up to 70% and cutting I/O-related CPU load by 25%. The result is faster server readiness, minimized downtime during maintenance windows, and improved overall IT operational efficiency.
On-Prem Database Transaction Acceleration
A retail finance firm integrates the HPE 256GB PCIe M.2 2280 SSD Kit as a high-speed write cache for its on-prem MySQL cluster, delivering sustained 40K IOPS and reducing query response latency by 60%. This optimized storage tier enables real-time transaction processing at peak loads, accelerates business reporting, and enhances customer satisfaction.
High-Density VDI Performance Boost
A healthcare provider scales its virtual desktop infrastructure on ProLiant servers by installing dual HPE 256GB PCIe M.2 2280 SSD Kits as hypervisor scratch disks, supporting over 120 concurrent sessions with consistently low latency. Login storms and desktop load times drop by 50%, driving clinician productivity, accelerating patient-care workflows, and lowering overall storage costs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 862159-B21 |  875583-B21 |  877825-B21 |  875579-B21 |  P10266-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 | Server | 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 | 8 TB | 8 TB | 4 TB | 4 TB | 10 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 128 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 210 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr | 550 TB/yr | 300 TB/yr | 180 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 6 Watts | 8.5 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 4 Watts | 4 Watts | 5.5 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | No | AES 256-bit | 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C | 5–60°C |
| Product Name | 862159-B21 High Performance HDD | 875583-B21 Enterprise HDD | 877825-B21 High Performance HDD | 875579-B21 Enterprise HDD | P10266-B21 |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4.00 inches | 4.00 inches | 5.79 inches | 5.79 inches | 4 inches |
| Depth | 5.78 inches | 5.79 inches | 8.26 inches | 4.01 inches | 5.79 inches |
| Weight | 2.20 lbs | 1.75 lbs | 2.1 lbs | 1.83 lbs | 1.8 lbs |
Reviews & Ratings
T
Talha Siddiq
5
Reliable SSD for OS workloads.
R
Robert Hayes
4
OEM kit worked immediately.
A
Adil Khan
5
Stable and efficient.
E
Emil Novak
5
Good value storage.
Questions & Answers
What is the HPE 256GB PCIe M.2 2280 SSD Kit (SKU: 862159-B21)?
The HPE 256GB PCIe M.2 2280 SSD Kit (862159-B21) is an enterprise-grade NVMe solid-state drive in an M.2 22×80 mm form factor, delivering high performance and reliability for HPE ProLiant servers.
What are the key specifications of the 256GB PCIe M.2 2280 SSD?
This SSD offers 256 GB capacity, PCIe Gen3 x4 interface, NVMe 1.3 protocol, up to 3 000 MB/s sequential read, 1 400 MB/s sequential write and low-latency performance.
Which HPE servers support the 862159-B21 SSD kit?
The SSD is validated for HPE ProLiant Gen9 and Gen10 servers with onboard M.2 slots or available M.2 carrier cards; refer to your server’s QuickSpecs for slot compatibility.
How do I install the HPE 256GB PCIe M.2 SSD?
Power down the server, open the chassis, insert the M.2 module into the designated M.2 socket at a 30° angle, secure with the mounting screw, close the chassis, power up and configure in HPE SSA.
What sequential performance can I expect?
Under optimal conditions, you can achieve up to 3 000 MB/s sequential read and 1 400 MB/s sequential write speeds for demanding workloads.
Does this drive support NVMe protocol?
Yes, the SSD natively supports NVMe 1.3 for low-latency, high-throughput data access over a PCIe Gen3 x4 interface.
What form factor and dimensions does this SSD use?
It uses the industry-standard M.2 2280 form factor, measuring 22 mm in width by 80 mm in length, compatible with most M.2 slots.
What is the endurance rating (TBW) of this SSD?
The drive is rated for up to 200 TBW (terabytes written) under enterprise workload conditions, ensuring durability for write-intensive applications.
Does the SSD support hardware encryption?
Yes, it features AES 256-bit encryption with TCG Opal 2.0 support to safeguard data-at-rest without performance impact.
What warranty does HPE provide for this SSD?
This SSD is backed by HPE’s 3-year limited warranty, covering defects in materials and workmanship under normal use.
Can I use the 256GB PCIe M.2 SSD as a boot drive?
Yes, the SSD is fully bootable when installed in a supported HPE ProLiant server M.2 slot and configured via the system BIOS or UEFI.
What are the power consumption characteristics?
Typical active power is 4.5 W, with idle power around 0.5 W, optimizing energy efficiency in 24/7 enterprise environments.
How is thermal management handled?
The SSD employs dynamic thermal throttling and integrated heat spreader design to maintain optimal operating temperatures under heavy workloads.
How do I update firmware or drivers for this SSD?
Use HPE Service Pack for ProLiant (SPP) or HPE Smart Storage Administrator to download and apply the latest firmware and driver updates.
Does the kit include any mounting hardware?
Yes, the kit includes the M.2 SSD module and a retention screw; no additional carrier or adapter is required for compatible HPE server slots.