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835563-B21
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HPE 340GB SATA 6G Read Intensive 3yr Warranty M.2 Kit
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
835563-B21
- Description:
- HPE 340GB SATA 6G Read Intensive 3yr Warranty M.2 Kit
- Rating:
Added to cart 28 times recently
- Availability:
Ready to Ship
- Brand:
- Hpe
- GTIN:
- 0889894321886
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 90
- List Price:
$1,103.36
- Price:
$551.6850% off
Quantity:
1
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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.
835563-B21 price for new stock is $409.50, a 62.9% saving from the Hpe list price of $1,103.36. 835563-B21 refurb price is $551.68. 835563-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 835563-B21 for additional pricing. Browse the full Hpe Server M.2&Pcie Hard Drives series or explore all Hpe products.
835563-B21 Specifications
- Product Type
- Hard Drive
- Brand
- Hpe
- 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
- 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
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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 |
| 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 |
| 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 |
Compliance & Warranty
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
B
Brian Scott
Reviewed on the 15 September 2026
5
M.2 kit delivered fast boot and application load times.
U
Umar Farooq
Reviewed on the 28 February 2020
5
Reliable read intensive performance.
S
Silvio Greco
Reviewed on the 27 November 2020
5
OEM SSD worked flawlessly.
A
Anders Holm
Reviewed on the 31 March 2018
4
Good upgrade for OS drives.
Z
Zeeshan Malik
Reviewed on the 25 May 2022
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.
Is the HPE 835563-B21 suited for read-intensive workloads?
Yes. It is engineered for read-intensive use cases such as web hosting, VDI boot volumes, and content distribution.
What are the sequential performance specifications of this M.2 SSD?
The HPE 835563-B21 delivers up to 550 MB/s sequential read and 520 MB/s sequential write speeds over SATA 6 Gb/s.
How do I install the HPE 340GB SATA 6G M.2 Kit on my server?
Power down your server, insert the M.2 drive into an available M.2 slot, secure with the mounting screw, then reboot.
Which HPE servers support the 835563-B21 M.2 SSD?
This kit is compatible with HPE ProLiant Gen10 and Gen11 servers offering M.2 SATA slots or optional adapters.
Are additional drivers required for the HPE 835563-B21?
No. The drive uses a standard SATA driver included in all major operating systems.
What endurance rating does the 340 GB M.2 SSD have?
It offers an endurance rating of 0.3 drive writes per day (DWPD) for three years, suitable for read-dominant workloads.
How does the HPE read-intensive SSD differ from a write-intensive model?
Read-intensive SSDs prioritize high read IOPS and lower write endurance, whereas write-intensive SSDs offer higher DWPD ratings.
Can I configure the HPE 835563-B21 in RAID arrays?
Yes. It supports hardware RAID levels 0, 1, 5, 6, 10 and software-defined RAID configurations on HPE servers.
What is the typical power consumption of the HPE M.2 SSD?
The drive consumes around 3.5 W active power and less than 1 W in idle mode.
Is the HPE 340GB SATA 6G M.2 drive hot-swappable?
No. M.2 modules require server shutdown before insertion or removal to ensure data integrity.
How can I monitor the health of the HPE 835563-B21 SSD?
Use HPE Smart Storage Administrator (SSA) or iLO to view SMART attributes, temperature, and remaining life.
Which operating systems support the HPE 340 GB M.2 SATA SSD?
It is supported on major enterprise OSs, including Windows Server, RHEL, SUSE Linux Enterprise, VMware ESXi, and Ubuntu.