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M.2 kit installed cleanly in blades.
846495-B21
HPE 120GB SATA Read Intensive 3yr Warranty M.2 Kit for Blade...
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846495-B21
- Description:
- HPE 120GB SATA Read Intensive 3yr Warranty M.2 Kit for Blades
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3 Year Extended Warranty
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846495-B21 Overview
846495-B21 is a high-performance HDD built in a 3.5-inch form factor with a SATA III interface, spinning at 7200 RPM to deliver a robust storage capacity of 4 TB. With an ample 256 MB cache, a workload rating of 180 TB/yr, and an MTBF of 1,000,000 hours, this drive is engineered for reliability and long-term use.
Optimized for desktop, server, and NAS applications, the 846495-B21 features low power consumption of 6.5 Watts during read/write operations and 4.0 Watts when idle. Its advanced design includes a helium-sealed construction, vibration protection, and dual actuator technology—making it ideal for data centers, desktops, NAS, and surveillance systems.
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846495-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)
- 6.5 Watts
- Power Consumption (Idle)
- 4.0 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
- 846495-B21 High Performance HDD
- Height
- 1.07 inches
- Width
- 5.81 inches
- Depth
- 4.01 inches
- Weight
- 1.8 lbs
846495-B21 Use Case
Rapid Virtual Desktop Provisioning for Distributed Workforces
In enterprise VDI deployments on HPE BladeSystem c-Class servers, the 846495-B21 HPE 120GB SATA Read Intensive M.2 Kit for Blades reduces Windows VM boot times by up to 60%. IT teams can provision new desktops in under 30 seconds, cutting helpdesk tickets by 25% and ensuring seamless scalability for remote staff—backed by a 3-year HPE warranty for sustained reliability.
Real-Time Analytics Acceleration in Financial Trading
Financial services firms running read-heavy risk-analysis workloads on HPE blade servers leverage the 846495-B21 M.2 Kit to achieve sub-1ms latency and 45% faster data retrieval from in-memory databases. This high IOPS performance delivers real-time market insights, enabling traders to make faster decisions while the 3-year warranty ensures uninterrupted operations during critical trading hours.
High-Throughput Web Caching for E-Commerce Peak Traffic
Online retailers deploying HPE 120GB SATA Read Intensive 3yr Warranty M.2 Kit for Blades as a front-end cache on web servers handle 150% more concurrent page requests during flash sales. The kit’s optimized read performance sustains sub-200ms page loads under peak load, boosting conversion rates by up to 20% and maintaining a responsive shopping experience with enterprise-grade warranty protection.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 846495-B21 |  J9F49A |  N9X96A |  806563-B21 |  726547-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 | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SAS 12Gb/s | 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 | 4 TB | 10 TB | 8 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 | 256 MB | 256 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 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 6.5 Watts | 8 Watts | 7.2 Watts | 8 Watts | 9 Watts |
| Power Consumption (Idle) | 4.0 Watts | 4 Watts | 5.1 Watts | 6 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 | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–55°C | 5–55°C |
| Product Name | 846495-B21 High Performance HDD | J9F49A Enterprise HDD | N9X96A | 806563-B21 | 726547-B21 Enterprise HDD |
| Height | 1.07 inches | 1.0 inches | 1 in | 1.03 inches | 1.03 inches |
| Width | 5.81 inches | 4.0 inches | 5.8 in | 5.79 inches | 5.79 inches |
| Depth | 4.01 inches | 5.8 inches | 7.25 in | 4.02 inches | 8.26 inches |
| Weight | 1.8 lbs | 2.0 lbs | 1.6 lbs | 1.6 lbs | 1.85 lbs |
Reviews & Ratings
F
Farhan Yousaf
4
Good read performance for boot drives.
P
Patrick Schmitt
5
OEM kit fit perfectly.
C
Chris Dyer
3
Stable and predictable.
L
Luis Figueroa
4
Solid blade storage option.
Questions & Answers
What is the HPE 120GB SATA Read Intensive M.2 Kit for Blades (SKU: 846495-B21)?
The HPE 120GB SATA Read Intensive M.2 Kit (846495-B21) is a blade-server SSD module designed to deliver 120 GB of read-optimized storage in a compact M.2 form factor for HPE blade architectures.
Which HPE blade server models are compatible with this M.2 kit?
This HPE 120GB SATA M.2 Kit is compatible with ProLiant BL460c Gen8/Gen9, BL660c Gen8/Gen9, and select Gen10 HPE blade servers equipped with an onboard M.2 adapter.
What interface and form factor does this SSD use?
The SSD uses a SATA 3.0 (6 Gb/s) interface in an M.2 2242 form factor, optimizing it for high-density blade server environments.
What performance metrics can I expect from this read-intensive SSD?
It delivers up to 500 MB/s sequential read throughput and up to 85 k random read IOPS, making it ideal for boot volumes and read-heavy workloads.