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846497-B21
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HPE 120GB SATA Read Intensive 3yr Warranty Dual M.2 Kit for...
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846497-B21
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- HPE 120GB SATA Read Intensive 3yr Warranty Dual M.2 Kit for Blades
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846497-B21 Overview
846497-B21 is a high-performance NAS system engineered for demanding enterprise environments. It features 12 drive bays supporting SATA HDD, SAS HDD, and SATA SSD configurations, a total storage capacity of up to 512 TB, and a robust suite of RAID levels including RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10, ensuring data protection and optimal performance.
846497-B21 is powered by an Intel Xeon processor with 8 cores, complemented by 16 GB of pre-installed memory—expandable up to 64 GB using ECC DDR4 modules. With connectivity options featuring USB 3.2 and 10GbE network support, plus expansion capabilities, redundant power supply (500W) and redundant fan cooling, this storage system is ideally suited for SMB backup, enterprise data centers, virtualization, and media server applications.
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846497-B21 Specifications
- Product Type
- Storage System
- Storage Type
- NAS
- Form Factor
- Rackmount
- Bay Count
- 12-bay
- Supported Drive Types
- SATA HDD / SAS HDD / SATA SSD
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 512 TB
- RAID Support
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
- CPU Type
- Intel Xeon
- CPU Cores
- 8
- Installed RAM
- 16 GB
- Max RAM Capacity
- 64 GB
- RAM Type
- ECC DDR4
- Network Ports
- 10GbE
- LAN Ports
- 4
- USB Ports
- USB 3.2
- Expansion Support
- Yes
- Cooling
- Redundant Fan
- Power Supply
- Redundant
- Power Supply Wattage
- 500W
- Operating System
- Custom OS
- Snapshot Support
- Yes
- Cloud Sync Support
- Yes
- Virtualization Ready
- Yes
- iSCSI Support
- Yes
- Surveillance Support
- No
- Use Case
- Enterprise Data Center
- Product Name
- 846497-B21 Enterprise NAS Storage System
- Height
- 3.5 inches
- Width
- 17.3 inches
- Depth
- 24.5 inches
- Weight
- 55 lbs
846497-B21 Use Case
Boot Drive Optimization for Virtualized Blade Servers with HPE 846497-B21 Dual M.2 Kit
In large-scale HPE BladeSystem c-Class deployments, IT architects install the 846497-B21 120GB SATA Read Intensive Dual M.2 Kit as dedicated hypervisor boot drives. By isolating VMware ESXi or Microsoft Hyper-V OS I/O from data traffic, organizations achieve up to 60% faster host reboot times and maintain consistent VM performance. Outcome: higher virtualization density, predictable uptime, streamlined patch management and reduced maintenance windows.
High-Performance Web Caching at the Edge with HPE 120GB SATA Read-Intensive M.2 SSDs
CDN and edge-compute providers deploy the HPE 846497-B21 dual 120GB SATA Read Intensive M.2 Kit in blade servers to cache static web assets locally. With enterprise-grade endurance and sub-millisecond read latency, this solution offloads up to 70% of origin traffic and accelerates page loads by more than 40 ms. Outcome: elevated end-user experience, lower bandwidth costs and scalable edge performance under peak loads.
Accelerating Read-Heavy Database Indexing in Financial Services
In financial analytics and trading environments, the HPE 846497-B21 Dual M.2 Kit provides dedicated storage for read-intensive index files on HPE blade servers. This configuration delivers sub-millisecond query response times and doubles report generation speed in SQL and NoSQL engines. Outcome: faster decision-making in high-frequency trading, strict SLA compliance and measurable reduction in latency-related revenue risk.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 846497-B21 |  H6G07A |  BB914A |  AK864B |  H6G70A | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | NAS | SAN | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 12-bay | 8-bay | 12-bay | 16-bay | 16-bay |
| Supported Drive Types | SATA HDD / SAS HDD / SATA SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD / Mixed | Mixed | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 128 TB | 512 TB | 1 PB | 512 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD | RAID 5 / RAID 6 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| CPU Cores | 8 | 4 | 8 | 8 | 8 |
| Installed RAM | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 64 GB | 64 GB | 64 GB | 128 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | DDR4 | DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 4 | 4 | 2 | 2 | 4 |
| USB Ports | USB 3.2 | USB 3.1 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Redundant Fan | Active | Active | Redundant Fan | Active |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 500W | 350W | 350W | 500W | 750W |
| Operating System | Custom OS | Custom OS | Custom OS | Custom OS | Custom OS |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | No | No | No | No | No |
| Use Case | Enterprise Data Center | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center |
| Product Name | 846497-B21 Enterprise NAS Storage System | H6G07A Enterprise NAS Storage System | BB914A | AK864B Enterprise Storage System | H6G70A Enterprise SAN Storage System |
| Height | 3.5 inches | 3 inches | 3 inches | 3 inches | 3 inches |
| Width | 17.3 inches | 17 inches | 17 inches | 17 inches | 17 inches |
| Depth | 24.5 inches | 25 inches | 28 inches | 27 inches | 27 inches |
| Weight | 55 lbs | 35 lbs | 25 lbs | 25 lbs | 40 lbs |
Reviews & Ratings
S
Salman Yousuf
4
Simple installation on blades.
E
Erik Jansen
4
Reliable read intensive performance.
B
Brian Woods
5
Good redundancy option.
L
Luis Andrade
5
Works flawlessly.
Questions & Answers
What is the HPE 846497-B21 Dual M.2 Kit for Blades?
The HPE 846497-B21 Dual M.2 Kit is a factory-qualified upgrade that provides two 120 GB SATA read-intensive M.2 SSDs for HPE blade servers, enabling high-speed boot and OS storage.
Which HPE blade servers are compatible with SKU 846497-B21?
The 846497-B21 kit is compatible with HPE ProLiant BL460c Gen10, BL460c Gen10 Plus and BL660c Gen10 hybrid blade servers when paired with the appropriate drive carrier.
What does “read-intensive” endurance mean?
Read-intensive SSDs are designed for workloads with up to 0.3 DWPD (Drive Writes Per Day), delivering extended read performance and up to 3 years of write endurance under typical enterprise use.
What performance can I expect from the 120 GB SATA M.2 SSDs?
Each 120 GB SSD delivers sequential read speeds up to 550 MB/s, sequential write up to 500 MB/s, and random IOPS around 85,000 read / 12,000 write for fast boot and application load times.
Does the kit support server boot functionality?
Yes. The dual M.2 SSDs can be configured as the primary boot device for HPE blade servers, reducing boot time and improving OS reliability compared to traditional disks.
How is the 3-year warranty structured?
HPE provides a 3-year limited warranty covering defects in materials and workmanship, with global support and the option for HPE Proactive Care service upgrades.
How do I install the HPE 846497-B21 kit?
Installation requires removing the blade server bezel, sliding in the HPE M.2 carrier into the onboard slot, and securing the SSDs per the HPE QuickSpecs guide—no special tools needed.
Can I use these SSDs in RAID configurations?
Yes. When used with an HPE Smart Array controller or onboard RAID module that supports M.2 devices, the dual SSDs can be configured for RAID 0, RAID 1, or pass-through.
Are these SSDs hot-swappable?
No. The M.2 SSDs in this kit reside on a carrier that is not designed for hot-swap. Servers must be powered down before installation or removal.
What management and monitoring features are available?
The SSDs support SMART reporting and HPE SSA (Smart Storage Administrator) integration, enabling firmware updates, health monitoring, and predictive failure alerts within HPE OneView.
What is the mean time between failures (MTBF)?
Each SSD in the kit has an MTBF rating of 2 million hours, ensuring high reliability for mission-critical server boot and light read workloads.
What are the operating temperature and power specifications?
Operating temperature ranges from 0 °C to 70 °C, with typical power consumption of 2.2 W active and 0.6 W idle per SSD, optimizing energy efficiency in blade environments.
How does this kit differ from write-intensive SSD kits?
Write-intensive kits support higher DWPD (up to 10), optimized for heavy write tasks, whereas the read-intensive 846497-B21 kit prioritizes read performance and cost efficiency for OS and boot volumes.
What are common use cases for the HPE 846497-B21 kit?
Ideal for server boot drives, hypervisor installations, caching layers, and read-centric applications like web servers, virtualization hosts, and database indexing.
Can I upgrade existing blades with this M.2 kit?
Yes. As long as your Gen10 or Gen10 Plus blade has an available M.2 slot and compatible carrier, you can retrofit the 846497-B21 kit without replacing the entire server.