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Brian Scott
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M.2 kit delivered fast boot and application load times.
835563-B21
HPE 340GB SATA 6G Read Intensive 3yr Warranty M.2 Kit
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835563-B21
- Description:
- HPE 340GB SATA 6G Read Intensive 3yr Warranty M.2 Kit
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3 Year Extended Warranty
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835563-B21 Overview
835563-B21 is a high-performance HDD featuring a 3.5-inch form factor and a SATA III interface with a spindle speed of 7200 RPM. It offers a robust storage capacity of 8 TB and comes equipped with a 256 MB cache, making it well suited for environments demanding intensive data throughput and reliability.
835563-B21 is rated for an annual workload of 300 TB/yr and incorporates advanced features such as Helium-Sealed construction and rotational vibration sensors to ensure consistent performance under demanding conditions. Engineered for use in data centers, desktops, NAS, and surveillance systems, it also delivers efficient power consumption with 8 Watts during read/write operations and 6 Watts when idle while meeting rigorous reliability standards.
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835563-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
- 300 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Power Consumption (Idle)
- 6 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Rotational Vibration Sensors
- Operating Temperature
- 5–60°C
- Product Name
- 835563-B21 8TB Enterprise HDD
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 1.8 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 835563-B21 |  C8R22A |  867974-B21 |  666986-B21 |  768856-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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance |
| 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 | 4 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 | 256 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 250 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 180 TB/yr | 300 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 7.2 Watts | 8.5 Watts | 7 Watts | N/A |
| Power Consumption (Idle) | 6 Watts | 4.5 Watts | 5 Watts | 4 Watts | N/A |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | No |
| 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–55°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | 835563-B21 8TB Enterprise HDD | C8R22A 8TB Helium-Sealed Enterprise HDD | 867974-B21 High Performance HDD | 666986-B21 High Performance Enterprise HDD | 768856-B21 |
| Height | 1.03 inches | 1.03 inches | 1.02 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 4.01 inches | 5.79 inches | 5.79 inches | 5.79 inches |
| Depth | 4.00 inches | 5.79 inches | 4.0 inches | 4.00 inches | 4.00 inches |
| Weight | 1.8 lbs | 1.5 lbs | 2.0 lbs | 2.2 lbs | 2.2 lbs |
Reviews & Ratings
U
Umar Farooq
4
Reliable read intensive performance.
S
Silvio Greco
5
OEM SSD worked flawlessly.
A
Anders Holm
3
Good upgrade for OS drives.
Z
Zeeshan Malik
4
Stable and efficient.
Questions & Answers
What is the storage capacity of the HPE 835563-B21 M.2 SSD?
The HPE 835563-B21 M.2 SSD offers 340 GB of usable capacity, optimized for read-intensive applications in enterprise environments.
Which interface does the HPE 340GB SATA 6G Read Intensive M.2 Kit use?
This M.2 kit uses the SATA 6 Gb/s interface (SATA III), delivering backward compatibility with legacy SATA controllers.
What form factor is the HPE 835563-B21 drive?
The drive ships in a standard M.2 2280 form factor (22 mm × 80 mm), fitting modern server and storage chassis.
How long is the warranty on the HPE 835563-B21 M.2 SSD?
HPE provides a three-year limited warranty covering defects in materials and workmanship.