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846495-B21
HPE 120GB SATA Read Intensive 3yr Warranty M.2 Kit for Blade...
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
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.
846495-B21 price for new stock is is available on request. Get immediate quote. 846495-B21 refurb price is $511.90.
Request bulk order quote for 846495-B21 for additional pricing. Browse the full Hpe Server M.2&Pcie Hard Drives series or explore all Hpe products.
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.
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.
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.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| 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 |
| 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 |
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.
Reviewed on the 11 November 2023
M.2 kit installed cleanly in blades.
Reviewed on the 7 January 2024
Good read performance for boot drives.
Reviewed on the 25 March 2022
OEM kit fit perfectly.
Reviewed on the 2 May 2023
Stable and predictable.
Reviewed on the 7 February 2018
Solid blade storage option.
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.
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.
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.
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.
‘Read intensive’ indicates optimized firmware and NAND for read-dominated operations, offering higher read performance and endurance for database queries and virtualization.
This M.2 kit comes with a standard three-year limited warranty backed by HPE, covering hardware failures and providing replacement support.
Yes. The HPE 120GB SATA Read Intensive M.2 SSD is fully supported as a boot volume, accelerating server startup and OS initialization in blade servers.
Power down the blade, insert the M.2 module into the onboard M.2 slot at a 30° angle, secure it with the provided standoff and screw, and then power up the server.
Ideal use cases include OS boot drives, database index storage, caching layers, and read-heavy virtualization workloads where fast read access is critical.
By offloading read-intensive tasks from RAID arrays or HDDs to a dedicated M.2 SSD, it reduces latency, accelerates I/O operations, and frees up primary storage resources.
It is rated for 0.3 full drive writes per day (DWPD) over the three-year warranty, suitable for primarily read-oriented applications.
Yes. The drive supports SATA TRIM commands for garbage collection and SMART attributes for health monitoring via the HPE Integrated Lights-Out (iLO) interface.
You can monitor drive health through HPE iLO, which reports SMART metrics, error logs, and firmware updates for proactive maintenance.
Read-intensive SSDs deliver higher read throughput and lower cost per gigabyte but have lower write endurance compared to write-intensive models designed for heavy write workloads.
The HPE 120GB SATA Read Intensive M.2 SSD consumes approximately 2.5 W active and 0.3 W idle, minimizing additional power load in blade enclosures.
The device offers an MTBF of 2 million hours, reflecting enterprise-grade reliability for continuous operation in data center environments.
United States
